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cpbook.net

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First seen 2026-04-12 · Last seen 2026-05-06 · ok HTTP/1.1 200 2636 ms crawled 2026-05-02

SG · 159.223.76.51 · AS14061 DigitalOcean, LLC

Reputation 100/100

sector education type homepage

HTML metadata

Title
Competitive Programming Book
Description
This is the supporting web page for a book titled: "Competitive Programming 4: The Lower Bound of Programming Contests in the 2020s" written by Steven Halim, Felix Halim, and Suhendry Effendy.
Language
en

Open Graph

title
Competitive Programming Book
description
This is the supporting web page for a book titled: "Competitive Programming 4: The Lower Bound of Programming Contests in the 2020s" written by Steven Halim, Felix Halim, and Suhendry Effendy.

Technology

Server
Apache
Fonts
  • Google Fonts

Third-party hosts loaded (3)

  • cdn.jsdelivr.net×2
  • fonts.googleapis.com×1
  • static.xx.fbcdn.net×1

Social

Contact

Address
st of Girls ICPC ACPC July 2020

Registration

Registrar
GoDaddy.com, LLC
Created
2015-04-15
Expires
2027-04-15 330 days left
Updated
2026-04-15
Name servers
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com

DNS records live

NS
  • ns1.digitalocean.com
  • ns2.digitalocean.com
  • ns3.digitalocean.com

Certificate (current)

E7
from 2026-03-17 to 2026-06-15
Expires in 27 days

Full certificate history on crt.sh ↗

Links to (13)

Linked from (2)