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213.248.110.126  Public Scan

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URL: http://codeforces.com/contest/935/problem/A
Submission Tags: falconsandbox
Submission: On August 18 via api from US — Scanned from FR
 Behaviour Indicators
Similar DOM Content API
Verdicts

Summary

This website contacted 5 IPs in 3 countries across 4 domains to perform 82 HTTP transactions. The main IP is 213.248.110.126, located in France and belongs to TWELVE99 Arelion, fka Telia Carrier, SE. The main domain is codeforces.com. The Cisco Umbrella rank of the primary domain is 399866.
This is the only time codeforces.com was scanned on urlscan.io!

urlscan.io Verdict: No classification

Domain & IP information

IP Address AS Autonomous System
2 213.248.110.126 1299 (TWELVE99 ...)
74 195.123.220.85 21100 (ITLDC-NL)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
2 2a00:1450:400... 15169 (GOOGLE)
82 5
2    213.248.110.126 (France)

ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE)
PTR: 213-248-110-126.teliacarrier-cust.com
codeforces.com
74    195.123.220.85 (Meppel, Netherlands)

ASN21100 (ITLDC-NL, UA)
PTR: vds-955881.hosted-by-itldc.com
cdn.codeforces.com
cdn-mathjax.codeforces.com
2    2a00:1450:4001:813::200a (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.googleapis.com
2    2a00:1450:4001:800::200e (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
www.google-analytics.com
2    2a00:1450:4001:828::2003 (Frankfurt am Main, Germany)

ASN15169 (GOOGLE, US)
fonts.gstatic.com
Apex Domain
Subdomains		 Transfer
76 codeforces.com
codeforces.com — Cisco Umbrella Rank: 399866
cdn.codeforces.com — Cisco Umbrella Rank: 670775
cdn-mathjax.codeforces.com — Cisco Umbrella Rank: 800770
600 KB
2 gstatic.com
fonts.gstatic.com
59 KB
2 google-analytics.com
www.google-analytics.com — Cisco Umbrella Rank: 45
17 KB
2 googleapis.com
fonts.googleapis.com — Cisco Umbrella Rank: 54
2 KB
82 4
Domain Requested by
68 cdn.codeforces.com codeforces.com
cdn.codeforces.com
6 cdn-mathjax.codeforces.com codeforces.com
cdn-mathjax.codeforces.com
2 fonts.gstatic.com fonts.googleapis.com
2 www.google-analytics.com codeforces.com
2 fonts.googleapis.com codeforces.com
2 codeforces.com codeforces.com
82 6

This site contains links to these domains. Also see Links.

Domain
ton.org
ifmo.ru
Subject Issuer Validity Valid
*.codeforces.com
R3		 2022-06-14 -
2022-09-12		 3 months crt.sh

This page contains 1 frames:

Primary Page: http://codeforces.com/contest/935/problem/A
Frame ID: 39B92040EA903D8E007A9D03C741AF04
Requests: 82 HTTP requests in this frame

Screenshot
Live screenshot
Full Image

Page Title

Problem - A - Codeforces

Detected technologies

Overall confidence: 100%
Detected patterns
  • ([\d.]+)?/mathjax\.js
Overall confidence: 100%
Detected patterns
  • clipboard(?:-([\d.]+))?(?:\.min)?\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+(?:([\d.]+)/)?(?:css/)?font-awesome(?:\.min)?\.css
  • <link[^>]* href=[^>]*?(?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:[^>]*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
  • (?:F|f)o(?:n|r)t-?(?:A|a)wesome(?:.*?([0-9a-fA-F]{7,40}|[\d]+(?:.[\d]+(?:.[\d]+)?)?)|)
Overall confidence: 100%
Detected patterns
  • google-analytics\.com/(?:ga|urchin|analytics)\.js
Overall confidence: 100%
Detected patterns
  • <link[^>]* href=[^>]+fonts\.(?:googleapis|google)\.com
Overall confidence: 100%
Detected patterns
  • jquery[.-]([\d.]*\d)[^/]*\.js
  • jquery.*\.js(?:\?ver(?:sion)?=([\d.]+))?

Page Statistics

82
Requests

7 %
HTTPS

60 %
IPv6

4
Domains

6
Subdomains

5
IPs

3
Countries

678 kB
Transfer

2060 kB
Size

7
Cookies

Redirected requests

There were HTTP redirect chains for the following requests:

Request Chain 65
  • http://www.google-analytics.com/ga.js HTTP 307
  • https://www.google-analytics.com/ga.js
Request Chain 73
  • http://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1215998360&utmhn=codeforces.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Problem%20-%20A%20-%20Codeforces&utmhid=1140191250&utmr=-&utmp=%2Fcontest%2F935%2Fproblem%2FA&utmht=1660846695625&utmac=UA-743380-5&utmcc=__utma%3D71512449.665103663.1660846696.1660846696.1660846696.1%3B%2B__utmz%3D71512449.1660846696.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1206001217&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~ HTTP 307
  • https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1215998360&utmhn=codeforces.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Problem%20-%20A%20-%20Codeforces&utmhid=1140191250&utmr=-&utmp=%2Fcontest%2F935%2Fproblem%2FA&utmht=1660846695625&utmac=UA-743380-5&utmcc=__utma%3D71512449.665103663.1660846696.1660846696.1660846696.1%3B%2B__utmz%3D71512449.1660846696.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1206001217&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~

82 HTTP transactions

Resource
Path		 Size
x-fer		 Type
MIME-Type
Primary Request A
codeforces.com/contest/935/problem/ 		57 KB
14 KB 		Document
General
Check archive.org
Download Go to
Full URL
http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
213.248.110.126 , France, ASN1299 (TWELVE99 Arelion, fka Telia Carrier, SE),
Reverse DNS
213-248-110-126.teliacarrier-cust.com
Software
kittenx /
Resource Hash
1cb167b184909264fd1c388ea247ac6452ad27504f22d832d01aadb7228796ad
Security Headers
Name Value
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
X-Frame-Options sameorigin
X-Xss-Protection 1; mode=block

Request headers

Upgrade-Insecure-Requests
1
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36
accept-language
fr-FR,fr;q=0.9

Response headers

Cache-Control
private,no-cache,no-store,max-age=0,must-revalidate
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html;charset=UTF-8
Date
Thu, 18 Aug 2022 18:18:15 GMT
Expires
-1
Pragma
no-cache
Server
kittenx
Strict-Transport-Security
max-age=86400
Transfer-Encoding
chunked
X-Content-Type-Options
nosniff
X-Frame-Options
sameorigin
X-XSS-Protection
1; mode=block
vary
accept-encoding
jquery-1.8.3.js
cdn.codeforces.com/s/0/js/ 		261 KB
82 KB 		Script
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/0/js/jquery-1.8.3.js
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
b79048269194de2a460e6b267695f420be996434fad12f90e3712a1c5b3b2544

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:55 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7b-415db"
Vary
Accept-Encoding
Content-Type
application/javascript
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
font-awesome.min.css
cdn.codeforces.com/s/93005/css/ 		27 KB
6 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/font-awesome.min.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
16479dc1f894106be7221252a139a7e8e14a830ad029ef30183e7af7b751e2b3

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-6a5b"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
line-awesome.min.css
cdn.codeforces.com/s/93005/css/ 		88 KB
17 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/line-awesome.min.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
ce61a18cf084f15003798340044643f329ac5f90045acb2d9e778368bd799854

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-15e81"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
css
fonts.googleapis.com/ 		3 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700&subset=latin,cyrillic
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
890cf1a1368ee85107388d1e550ceabef533104a4603e0092cc27f3c54c685a7
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Transfer-Encoding
chunked
Cross-Origin-Resource-Policy
cross-origin
X-XSS-Protection
0
Last-Modified
Thu, 18 Aug 2022 18:18:15 GMT
Server
ESF
Cross-Origin-Opener-Policy
same-origin-allow-popups
X-Frame-Options
SAMEORIGIN
Content-Type
text/css; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
private, max-age=86400, stale-while-revalidate=604800
Timing-Allow-Origin
*
Link
<http://fonts.gstatic.com>; rel=preconnect; crossorigin
Expires
Thu, 18 Aug 2022 18:18:15 GMT
css
fonts.googleapis.com/ 		2 KB
1 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://fonts.googleapis.com/css?family=Cuprum&subset=latin,cyrillic
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
2a00:1450:4001:813::200a Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
ESF /
Resource Hash
d73e10cd24a4cbb659f9a899fa94f026187bbf3a69122266debeedcdd27f6ff8
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Frame-Options SAMEORIGIN
X-Xss-Protection 0

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
X-Content-Type-Options
nosniff
Transfer-Encoding
chunked
Cross-Origin-Resource-Policy
cross-origin
X-XSS-Protection
0
Last-Modified
Thu, 18 Aug 2022 18:18:15 GMT
Server
ESF
Cross-Origin-Opener-Policy
same-origin-allow-popups
X-Frame-Options
SAMEORIGIN
Content-Type
text/css; charset=utf-8
Access-Control-Allow-Origin
*
Cache-Control
private, max-age=86400, stale-while-revalidate=604800
Timing-Allow-Origin
*
Link
<http://fonts.gstatic.com>; rel=preconnect; crossorigin
Expires
Thu, 18 Aug 2022 18:18:15 GMT
prettify.css
cdn.codeforces.com/s/93005/css/ 		3 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/prettify.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
1f0a8973af388ba6674f1ff1ee04c57659f1e2a641f531863c398e255b3b5474

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-df3"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
clear.css
cdn.codeforces.com/s/93005/css/ 		1 KB
956 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/clear.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
ccc695e56b8774af80824f61d07c3de2617dac8df57911586b2a8e3eac15bead

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-452"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
style.css
cdn.codeforces.com/s/93005/css/ 		15 KB
4 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/style.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
33b9b6bc413644a093f5cbe2a1843a49b46b00225a1e4feb4398d390de41c82f

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-3baa"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
ttypography.css
cdn.codeforces.com/s/93005/css/ 		7 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/ttypography.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
fcf2ebf850a8e8cddc55f2c9485836e4dba30b225eac35eee1e8f9fd5a4bf796

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 14 Aug 2022 23:59:54 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-1c4c"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
problem-statement.css
cdn.codeforces.com/s/93005/css/ 		9 KB
2 KB 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/problem-statement.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
fd4ed28ca9e6168bcc44e6eb7f5f947caf19a8aefedcd6a8f641ce323d5c1341

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Content-Encoding
gzip
Last-Modified
Sun, 07 Aug 2022 19:39:33 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
W/"62f014f5-2564"
Vary
Accept-Encoding
Content-Type
text/css
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Transfer-Encoding
chunked
Connection
keep-alive
Expires
Sat, 20 Aug 2022 18:18:15 GMT
second-level-menu.css
cdn.codeforces.com/s/93005/css/ 		1 KB
930 B 		Stylesheet
General
Check archive.org
Download Go to
Full URL
http://cdn.codeforces.com/s/93005/css/second-level-menu.css
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
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roundbox.css
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datatable.css
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table-form.css
cdn.codeforces.com/s/93005/css/ 		764 B
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topic.css
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jquery.jgrowl.css
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facebox.css
cdn.codeforces.com/s/93005/css/ 		1 KB
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jquery.wysiwyg.css
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jquery.autocomplete.css
cdn.codeforces.com/s/93005/css/ 		902 B
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Sat, 20 Aug 2022 18:18:15 GMT
codeforces.datepick.css
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nginx/1.18.0 (Ubuntu)
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W/"62f98c7a-113f"
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colorbox.css
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nginx/1.18.0 (Ubuntu)
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W/"62f98c7a-13c1"
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jquery.drafts.css
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nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c7a-694"
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community.css
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Referer
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Thu, 18 Aug 2022 18:18:15 GMT
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nginx/1.18.0 (Ubuntu)
ETag
W/"62f98c81-40c"
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text/css
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Sat, 20 Aug 2022 18:18:15 GMT
sidebar-menu.css
cdn.codeforces.com/s/93005/css/ 		751 B
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nginx/1.18.0 (Ubuntu)
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W/"62f98c7a-2ef"
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max-age=172800, public
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MathJax.js
cdn-mathjax.codeforces.com/ 		62 KB
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Thu, 18 Aug 2022 18:18:15 GMT
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Thu, 01 Apr 2021 14:37:28 GMT
server
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etag
W/"6065daa8-f80b"
vary
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Thu, 18 Aug 2022 18:18:15 GMT
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nginx/1.18.0 (Ubuntu)
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moment-with-locales.min.js
cdn.codeforces.com/s/93005/js/ 		319 KB
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http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Wed, 20 Jul 2022 14:37:49 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"62d8133d-482a"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
18474
Expires
Sat, 20 Aug 2022 18:18:15 GMT
gb.png
cdn.codeforces.com/s/38610/images/flags/24/ 		1 KB
1 KB 		Image
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URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:06 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb2-470"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
1136
Expires
Sat, 20 Aug 2022 18:18:15 GMT
ru.png
cdn.codeforces.com/s/38610/images/flags/24/ 		403 B
792 B 		Image
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URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:06 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb2-193"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
403
Expires
Sat, 20 Aug 2022 18:18:15 GMT
close-10x10.png
cdn.codeforces.com/s/38610/images/icons/ 		136 B
524 B 		Image
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Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:33 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbcd-88"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
136
Expires
Sat, 20 Aug 2022 18:18:15 GMT
ton-100x100.png
cdn.codeforces.com/s/93005/images/ 		2 KB
2 KB 		Image
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Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Wed, 20 Jul 2022 14:37:50 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"62d8133e-848"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
2120
Expires
Sat, 20 Aug 2022 18:18:15 GMT
itmo_small_en-logo.png
cdn.codeforces.com/s/93005/images/ 		5 KB
5 KB 		Image
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URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-12f0"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
4848
Expires
Sat, 20 Aug 2022 18:18:15 GMT
control.png
cdn.codeforces.com/s/93005/images/icons/ 		396 B
785 B 		Image
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URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:06 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb2-18c"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
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keep-alive
Accept-Ranges
bytes
Content-Length
396
Expires
Sat, 20 Aug 2022 18:18:15 GMT
control-270.png
cdn.codeforces.com/s/93005/images/icons/ 		338 B
727 B 		Image
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Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
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User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:06 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb2-152"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
338
Expires
Sat, 20 Aug 2022 18:18:15 GMT
ga.js
www.google-analytics.com/
Redirect Chain
  • http://www.google-analytics.com/ga.js
  • https://www.google-analytics.com/ga.js
45 KB
17 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://www.google-analytics.com/ga.js
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
H2
Server
2a00:1450:4001:800::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
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Security Headers
Name Value
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

strict-transport-security
max-age=10886400; includeSubDomains; preload
content-encoding
gzip
x-content-type-options
nosniff
last-modified
Wed, 13 Apr 2022 21:02:38 GMT
server
Golfe2
age
2133
date
Thu, 18 Aug 2022 17:42:42 GMT
vary
Accept-Encoding
content-type
text/javascript
cache-control
public, max-age=7200
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
17168
expires
Thu, 18 Aug 2022 19:42:42 GMT

Redirect headers

Location
https://www.google-analytics.com/ga.js
Non-Authoritative-Reason
HSTS
Cross-Origin-Resource-Policy
Cross-Origin
roundbox-lt.png
cdn.codeforces.com/s/93005/images/roundbox/ 		123 B
511 B 		Image
General
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http://cdn.codeforces.com/s/93005/images/roundbox/roundbox-lt.png
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Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/roundbox.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/roundbox.css
User-Agent
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Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-7b"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
123
Expires
Sat, 20 Aug 2022 18:18:15 GMT
roundbox-rt.png
cdn.codeforces.com/s/93005/images/roundbox/ 		122 B
510 B 		Image
General
Check archive.org
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Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/roundbox.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/roundbox.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-7a"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
122
Expires
Sat, 20 Aug 2022 18:18:15 GMT
roundbox-lb.png
cdn.codeforces.com/s/93005/images/roundbox/ 		123 B
511 B 		Image
General
Check archive.org
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http://cdn.codeforces.com/s/93005/images/roundbox/roundbox-lb.png
Requested by
Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/roundbox.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/roundbox.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-7b"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
123
Expires
Sat, 20 Aug 2022 18:18:15 GMT
roundbox-rb.png
cdn.codeforces.com/s/93005/images/roundbox/ 		123 B
511 B 		Image
General
Check archive.org
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http://cdn.codeforces.com/s/93005/images/roundbox/roundbox-rb.png
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Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/roundbox.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
5211428cccb167199160450689039f123cd2679ae1cc9eabf4057253398dc10b

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/roundbox.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-7b"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
123
Expires
Sat, 20 Aug 2022 18:18:15 GMT
search-16x16.png
cdn.codeforces.com/s/93005/images/ 		845 B
1 KB 		Image
General
Check archive.org
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Full URL
http://cdn.codeforces.com/s/93005/images/search-16x16.png
Requested by
Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/style.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
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Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/style.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-34d"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
845
Expires
Sat, 20 Aug 2022 18:18:15 GMT
dg45_pLmvrkcOkBnKsOzXyGWTBcmg-X6VjvYJw.woff2
fonts.gstatic.com/s/cuprum/v20/ 		8 KB
9 KB 		Font
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http://fonts.gstatic.com/s/cuprum/v20/dg45_pLmvrkcOkBnKsOzXyGWTBcmg-X6VjvYJw.woff2
Requested by
Host: fonts.googleapis.com
URL: http://fonts.googleapis.com/css?family=Cuprum&subset=latin,cyrillic
Protocol
HTTP/1.1
Server
2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f18d57747180068b241552c0f59bcc16dee612baca3fdc9b9e6ba3cfb94c7b33
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
http://fonts.googleapis.com/
Origin
http://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Date
Tue, 16 Aug 2022 07:48:53 GMT
X-Content-Type-Options
nosniff
Age
210562
Content-Security-Policy-Report-Only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
Cross-Origin-Resource-Policy
cross-origin
Content-Length
8116
X-XSS-Protection
0
Last-Modified
Mon, 11 Jul 2022 20:37:47 GMT
Server
sffe
Cross-Origin-Opener-Policy
same-origin; report-to="apps-themes"
Report-To
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
Content-Type
font/woff2
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=31536000
Accept-Ranges
bytes
Timing-Allow-Origin
*
Expires
Wed, 16 Aug 2023 07:48:53 GMT
BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_0.woff2
fonts.gstatic.com/s/ptsansnarrow/v17/ 		50 KB
51 KB 		Font
General
Check archive.org
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Full URL
http://fonts.gstatic.com/s/ptsansnarrow/v17/BngSUXNadjH0qYEzV7ab-oWlsbg95AiFW_0.woff2
Requested by
Host: fonts.googleapis.com
URL: http://fonts.googleapis.com/css?family=PT+Sans+Narrow:400,700&subset=latin,cyrillic
Protocol
HTTP/1.1
Server
2a00:1450:4001:828::2003 Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
sffe /
Resource Hash
f54e39446dc1a3407191e704a37aa5da2d12fbdeac8842b6c3a5648377f3e688
Security Headers
Name Value
X-Content-Type-Options nosniff
X-Xss-Protection 0

Request headers

Referer
http://fonts.googleapis.com/
Origin
http://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Date
Wed, 17 Aug 2022 22:23:39 GMT
X-Content-Type-Options
nosniff
Age
71676
Content-Security-Policy-Report-Only
require-trusted-types-for 'script'; report-uri https://csp.withgoogle.com/csp/apps-themes
Cross-Origin-Resource-Policy
cross-origin
Content-Length
51132
X-XSS-Protection
0
Last-Modified
Wed, 27 Apr 2022 16:09:38 GMT
Server
sffe
Cross-Origin-Opener-Policy
same-origin; report-to="apps-themes"
Report-To
{"group":"apps-themes","max_age":2592000,"endpoints":[{"url":"https://csp.withgoogle.com/csp/report-to/apps-themes"}]}
Content-Type
font/woff2
Access-Control-Allow-Origin
*
Cache-Control
public, max-age=31536000
Accept-Ranges
bytes
Timing-Allow-Origin
*
Expires
Thu, 17 Aug 2023 22:23:39 GMT
__utm.gif
www.google-analytics.com/r/
Redirect Chain
  • http://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1215998360&utmhn=codeforces.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Proble...
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35 B
197 B 		Image
General
Check archive.org
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Full URL
https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1215998360&utmhn=codeforces.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Problem%20-%20A%20-%20Codeforces&utmhid=1140191250&utmr=-&utmp=%2Fcontest%2F935%2Fproblem%2FA&utmht=1660846695625&utmac=UA-743380-5&utmcc=__utma%3D71512449.665103663.1660846696.1660846696.1660846696.1%3B%2B__utmz%3D71512449.1660846696.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1206001217&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~
Requested by
Host: codeforces.com
URL: http://codeforces.com/contest/935/problem/A
Protocol
H2
Server
2a00:1450:4001:800::200e Frankfurt am Main, Germany, ASN15169 (GOOGLE, US),
Reverse DNS
Software
Golfe2 /
Resource Hash
8337212354871836e6763a41e615916c89bac5b3f1f0adf60ba43c7c806e1015
Security Headers
Name Value
X-Content-Type-Options nosniff

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
no-cache
date
Thu, 18 Aug 2022 18:18:15 GMT
x-content-type-options
nosniff
last-modified
Sun, 17 May 1998 03:00:00 GMT
server
Golfe2
content-type
image/gif
access-control-allow-origin
*
cache-control
no-cache, no-store, must-revalidate
cross-origin-resource-policy
cross-origin
alt-svc
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content-length
35
expires
Fri, 01 Jan 1990 00:00:00 GMT

Redirect headers

Location
https://www.google-analytics.com/r/__utm.gif?utmwv=5.7.2&utms=1&utmn=1215998360&utmhn=codeforces.com&utmcs=UTF-8&utmsr=1600x1200&utmvp=1600x1200&utmsc=24-bit&utmul=en-us&utmje=0&utmfl=-&utmdt=Problem%20-%20A%20-%20Codeforces&utmhid=1140191250&utmr=-&utmp=%2Fcontest%2F935%2Fproblem%2FA&utmht=1660846695625&utmac=UA-743380-5&utmcc=__utma%3D71512449.665103663.1660846696.1660846696.1660846696.1%3B%2B__utmz%3D71512449.1660846696.1.1.utmcsr%3D(direct)%7Cutmccn%3D(direct)%7Cutmcmd%3D(none)%3B&utmjid=1206001217&utmredir=1&utmu=qAAAAAAAAAAAAAAAAAAAAAAE~
Non-Authoritative-Reason
HSTS
Cross-Origin-Resource-Policy
Cross-Origin
lava-right.png
cdn.codeforces.com/s/93005/images/menu/ 		149 B
537 B 		Image
General
Check archive.org
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Full URL
http://cdn.codeforces.com/s/93005/images/menu/lava-right.png
Requested by
Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/second-level-menu.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
842a6d9b9768e89e33895388faff8e0dfae1b48d03e2b0b48d4de35fab0d8d51

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/second-level-menu.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-95"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
149
Expires
Sat, 20 Aug 2022 18:18:15 GMT
lava-left.png
cdn.codeforces.com/s/93005/images/menu/ 		140 B
528 B 		Image
General
Check archive.org
Download Go to Show image
Full URL
http://cdn.codeforces.com/s/93005/images/menu/lava-left.png
Requested by
Host: cdn.codeforces.com
URL: http://cdn.codeforces.com/s/93005/css/second-level-menu.css
Protocol
HTTP/1.1
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
cc5737c065843b681196d5b682db5c8b47f653ca1427985b19245fef04412696

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://cdn.codeforces.com/s/93005/css/second-level-menu.css
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

Pragma
public
Date
Thu, 18 Aug 2022 18:18:15 GMT
Last-Modified
Sat, 15 May 2021 13:25:07 GMT
Server
nginx/1.18.0 (Ubuntu)
ETag
"609fcbb3-8c"
Content-Type
image/png
Access-Control-Allow-Origin
*
Cache-Control
max-age=172800, public
Connection
keep-alive
Accept-Ranges
bytes
Content-Length
140
Expires
Sat, 20 Aug 2022 18:18:15 GMT
TeX-AMS_HTML-full.js
cdn-mathjax.codeforces.com/config/ 		309 KB
93 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/config/TeX-AMS_HTML-full.js?V=2.7.9
Requested by
Host: cdn-mathjax.codeforces.com
URL: https://cdn-mathjax.codeforces.com/MathJax.js?config=TeX-AMS_HTML-full
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
7a2e7c47a60d38b1d3257694183099bfb9adff235499ddb64f4aae7724e55691

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
public
date
Thu, 18 Aug 2022 18:18:15 GMT
content-encoding
gzip
last-modified
Thu, 01 Apr 2021 14:23:35 GMT
server
nginx/1.18.0 (Ubuntu)
etag
W/"6065d767-4d31d"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=172800, public
expires
Sat, 20 Aug 2022 18:18:15 GMT
fontdata.js
cdn-mathjax.codeforces.com/jax/output/HTML-CSS/fonts/TeX/ 		43 KB
14 KB 		Script
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/jax/output/HTML-CSS/fonts/TeX/fontdata.js?V=2.7.9
Requested by
Host: cdn-mathjax.codeforces.com
URL: https://cdn-mathjax.codeforces.com/MathJax.js?config=TeX-AMS_HTML-full
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
d5078e8f2ca49558b584db207ee0999279b662ac5171548234c9428c6e722ab8

Request headers

accept-language
fr-FR,fr;q=0.9
Referer
http://codeforces.com/
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
public
date
Thu, 18 Aug 2022 18:18:15 GMT
content-encoding
gzip
last-modified
Thu, 01 Apr 2021 14:36:04 GMT
server
nginx/1.18.0 (Ubuntu)
etag
W/"6065da54-ad3d"
vary
Accept-Encoding
content-type
application/javascript
access-control-allow-origin
*
cache-control
max-age=172800, public
expires
Sat, 20 Aug 2022 18:18:15 GMT
MathJax_Main-Regular.woff
cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/ 		33 KB
34 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Main-Regular.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
55c77dfef369aee9bf4058c15f01b7d8c245177cd0e2a6ecb1d1ae71a7443d6f

Request headers

Referer
http://codeforces.com/
Origin
http://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
public
date
Thu, 18 Aug 2022 18:18:15 GMT
last-modified
Thu, 01 Apr 2021 14:23:39 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-8574"
content-type
font/woff
access-control-allow-origin
*
cache-control
max-age=172800, public
accept-ranges
bytes
content-length
34164
expires
Sat, 20 Aug 2022 18:18:15 GMT
MathJax_Math-Italic.woff
cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/ 		19 KB
19 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Math-Italic.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
8db815a915b38f569e5c06686cae5489a9a396607915fdc21eeb052e61d6c27c

Request headers

Referer
http://codeforces.com/
Origin
http://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
public
date
Thu, 18 Aug 2022 18:18:15 GMT
last-modified
Thu, 01 Apr 2021 14:23:39 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-4b9c"
content-type
font/woff
access-control-allow-origin
*
cache-control
max-age=172800, public
accept-ranges
bytes
content-length
19356
expires
Sat, 20 Aug 2022 18:18:15 GMT
MathJax_Size1-Regular.woff
cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/ 		6 KB
6 KB 		Font
General
Check archive.org
Download Go to
Full URL
https://cdn-mathjax.codeforces.com/fonts/HTML-CSS/TeX/woff/MathJax_Size1-Regular.woff?V=2.7.9
Protocol
H2
Security
TLS 1.2, ECDHE_RSA, CHACHA20_POLY1305
Server
195.123.220.85 Meppel, Netherlands, ASN21100 (ITLDC-NL, UA),
Reverse DNS
vds-955881.hosted-by-itldc.com
Software
nginx/1.18.0 (Ubuntu) /
Resource Hash
2cf985fbe70694eda52314ccab5a052a177691e05d90c0be44d05e57da22d001

Request headers

Referer
http://codeforces.com/
Origin
http://codeforces.com
accept-language
fr-FR,fr;q=0.9
User-Agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.5112.101 Safari/537.36

Response headers

pragma
public
date
Thu, 18 Aug 2022 18:18:15 GMT
last-modified
Thu, 01 Apr 2021 14:23:39 GMT
server
nginx/1.18.0 (Ubuntu)
etag
"6065d76b-16a0"
content-type
font/woff
access-control-allow-origin
*
cache-control
max-age=172800, public
accept-ranges
bytes
content-length
5792
expires
Sat, 20 Aug 2022 18:18:15 GMT

Verdicts & Comments Add Verdict or Comment

64 JavaScript Global Variables

These are the non-standard "global" variables defined on the window object. These can be helpful in identifying possible client-side frameworks and code.

object| oncontextlost object| oncontextrestored function| structuredClone object| launchQueue object| onbeforematch object| navigation function| $ function| jQuery function| adjustViewport boolean| standaloneContest undefined| DecorationsT undefined| JobT undefined| SourceSpansT boolean| IN_GLOBAL_SCOPE object| PR boolean| PR_SHOULD_USE_CONTINUATION function| prettyPrintOne function| prettyPrint function| moment function| PushStream object| PushStreamManager function| UAParser boolean| IE6 function| Clipboard function| autosize function| q undefined| t boolean| u object| sjcl function| y function| z function| C function| A function| B object| D object| codeforcesOptions function| info function| debug function| error function| appendParameterToUrl object| Codeforces object| CodeforcesIframe function| EventCatcher object| preparedVerdictFormats object| commentSettings object| completeSettings object| miu undefined| queryMobile undefined| useMobile object| _gaq undefined| parser undefined| browserName undefined| browserVersion undefined| supportedBrowser undefined| supportedBrowsers function| getCodeforcesServerTime function| updateTypography object| eventCatcher object| changedTests object| jQuery18305618634239071176 function| updateDatatableFilter object| _gat object| gaGlobal object| MathJax

7 Cookies

Domain/Path Name / Value
codeforces.com/ Name: JSESSIONID
Value: 527F56EABE4085D7CAFA9E2CA5442306-n1
codeforces.com/ Name: 39ce7
Value: CFXtVmWQ
.codeforces.com/ Name: __utma
Value: 71512449.665103663.1660846696.1660846696.1660846696.1
.codeforces.com/ Name: __utmc
Value: 71512449
.codeforces.com/ Name: __utmz
Value: 71512449.1660846696.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
.codeforces.com/ Name: __utmt
Value: 1
.codeforces.com/ Name: __utmb
Value: 71512449.1.10.1660846696

Security Headers

This page lists any security headers set by the main page. If you want to understand what these mean and how to use them, head on over to this page

Header Value
Strict-Transport-Security max-age=86400
X-Content-Type-Options nosniff
X-Frame-Options sameorigin
X-Xss-Protection 1; mode=block

Indicators

This is a term in the security industry to describe indicators such as IPs, Domains, Hashes, etc. This does not imply that any of these indicate malicious activity.

cdn-mathjax.codeforces.com
cdn.codeforces.com
codeforces.com
fonts.googleapis.com
fonts.gstatic.com
www.google-analytics.com
195.123.220.85
213.248.110.126
2a00:1450:4001:800::200e
2a00:1450:4001:813::200a
2a00:1450:4001:828::2003
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