boocoo's blog

By boocoo, history, 2 months ago, In English
  • Codeforces (also has SGU under acmsguru)

  • Atcoder (also has JOI problems)

  • DMOJ (IOI and ICPC problems)

  • Kattis (ICPC problems)

  • Advent of Code

  • Timus

  • Project Euler

  • dunjudge.me

  • UVa Online Judge/Online Judge

  • Topcoder

  • CodeChef

  • oj.uz (IOI and ICPC)

  • acmicpc.net (ICPC problems like Live Archive)

  • USACO

  • Leetcode

  • Hackerrank

  • e-olymp (olympiad)

  • toph.co

  • acmp.ru

  • judtge.org

  • URI Online Judge (ICPC)

  • SPOJ

  • PEG (migrated to DMOJ)

  • CSES

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By boocoo, history, 13 months ago, In English

I'm in college (sophomore), but my only reason for going to it is to be in the ICPC competition because as far as I know there's no other cp competitions near me that you can go to as easily. Right now I don't care about having a college degree because I don't think I would care what job I have and college and high school have sapped me of my energy too much to be worth it.

My parents (who have failed to convince me) and a professor I talked to say there's a value to a college degree but before I talk to them more about it I would like to know if anybody else has been in a similar situation and what they did or if you have anything to say about my plan.

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By boocoo, history, 3 years ago, In English

I'm having trouble understanding the statement of problem D of the Nikkei contest (https://atcoder.jp/contests/nikkei2019-qual/tasks/nikkei2019_qual_d?lang=en). It says that the original tree is unique, but for the first sample case, the original tree can also be 1 -> 2 and 1 -> 3, right?

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