PS Checklist Calendar
Contest Calendar Update
SCPC
June, University student, Solo, Only C/C++/Java, https://research.samsung.com/scpc
UCPC
June, University Student, Team, Python/..., https://ucpc.me/
Codeforces
?, ?, ?, https://codeforces.com/
Hyundai Mobis Algorithm Contest
May, Anyone/University Student, C/C++/Java/Python, ...
Meta Hacker Cup
?, Anyone, Solo, C++/Python/..., https://www.facebook.com/codingcompetitions/hacker-cup
ICPC
September, University student, Age restriction, Age free only for preliminary, Team, C++/Python/..., http://icpckorea.org/, https://icpc.global/
USACO
?, Under college, ?, C++/Java/Python, https://train.usaco.org/, http://www.usaco.org/index.php,
AtCoder
?, ?, ?, https://atcoder.jp/
IOI
?, ?, ?, https://ioinformatics.org/page/ioi-2022/56, https://ioinformatics.org/
KOI
?, ?, ?, https://oikorea.org/, https://koi.or.kr/
Kakao Code Festival
?, ?, ?, https://kakaocode.com/
?, ?, ?, https://codingcompetitionsonair.withgoogle.com/
More Contest List
https://www.mycplus.com/featured-articles/programming-contests-and-challenges/?expand_article=1
SCUPC
Everyone
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Developer
Programmers
Kakao Coding Test
https://tech.kakao.com/careers/
LG CNS
Line
Coupang
Naver Boost Camp
https://boostcamp.connect.or.kr/
WooWaCourse
SW Maestro
https://www.swmaestro.org/sw/main/main.do
42 Seoul
https://42seoul.kr/seoul42/main/view
Apple Developer Academy
https://developeracademy.postech.ac.kr/en/
========================================
Books
Algorithms Unlocked, Thomas. H. Cormen
CLRS, Thomas. H. Cormen, Charles E. Leiserson, Ronald L. Rivest, Clifford Stein
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Problem Solving
BOJ, https://www.acmicpc.net/, https://solved.ac/, https://solved.ac/class, https://www.acmicpc.net/problem/tags
USACO, https://train.usaco.org/
Software Expert Academy, https://swexpertacademy.com/main/main.do
Programmers, https://programmers.co.kr/
Project Euler, https://projecteuler.net/
ALGOSPOT, https://algospot.com/, https://book.algospot.com/problems.html, https://algospot.com/judge/problem/read/FESTIVAL
CodeUp, https://codeup.kr/index.php
CS Academy, https://csacademy.com/
JOL, https://www.jungol.co.kr/
KOISTUDY, http://www.koistudy.net/
Topcoder, https://www.topcoder.com/thrive/tracks?track=Competitive%20Programming
HackerRank, https://www.hackerrank.com/
CodeChef, https://www.codechef.com/
SPOJ, https://www.spoj.com/
CODE TREE, https://www.codetree.ai/landing
tony9402, https://github.com/tony9402/baekjoon
stonejjun, https://stonejjun.tistory.com/215
kamyu104, https://github.com/kamyu104
More Online Judge And Tutor List
https://ko.wikipedia.org/wiki/%EC%98%A8%EB%9D%BC%EC%9D%B8_%EC%A0%80%EC%A7%80