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The problem data (Test case generator, judge's solution, task, ...) of Library Checker

Home Page: https://judge.yosupo.jp/

License: Apache License 2.0

C++ 98.31% Python 1.67% CMake 0.01% Shell 0.01%
algorithm competitive-programming data-structures online-judge

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library-checker-problems's Issues

[問題案]System of Linear Equations(system_of_linear_equations)

N x M次元の行列A、長さNのベクトルbが与えられます。A x = bを満たすxを求めてください。(mod 998244353)

入力

N M
A
b0 b1 b2 ...

出力

解空間のランク(存在しない場合-1)
解のうちどれか一つ
解空間の基底ベクトル(M次元) (行ベクトルとして、縦に並べる)

制約

N, M <= 500

サンプル

  • サンプルが欲しい
  • どういう形式?

チェックしたいライブラリ

随時募集中

  • 個別のissueが立ったもの
  • 重複しているもの
  • 問題として追加されたもの

はガンガンresolvedにしていきます

run enumerate

runの定義が間違っているのでは?と話題に
具体的にはaaaaaaaaaaの時に、周期=2,3,..を全部出すか、最大だけを出すか

outputchecker

  • どういう形式?
  • そもそも必要か?(diffで対応できない問題はあるか?)

solution / verifyのパス

solution = "correct.cpp"
verify = 'verify.cpp'

これ必要かな?これじゃないケースがあるか

CIが重過ぎる

そもそもg1-smallってのが無理があるんだよね、cloudbuildなど、CIを回すときだけ強いサーバーを借りるような方針で

[問題案]Sqrt Mod(sqrt_mod)

Tケース

y, pが与えられる。x^2 = y (mod p)なるxを1つ求めよ(存在しない場合、-1)

  • 1 <= T <= 100,000
  • 2 <= p <= 10^9
  • 0 <= y < p
  • p is prime

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