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题解：2024牛客暑期多校第5场——C [骰]

英文题干 wzj is working on a cloze test. For those who are not familiar with cloze tests, here is an introduction: A cloze test consists of n questions, e...

C++ 动态规划概率论容斥

2024-08-01

0 151

题解：2024牛客暑期多校第1场——C [Sum of Suffix Sums]

英文题干 Given an array which is initially empty, you need to perform 𝑞 operations: Given two non-negative integers 𝑡 and 𝑣, take out the element from ...

C++ 动态规划

2024-07-22

1 215

题解：2024牛客暑期多校第2场——G [The Set of Squares]

英文题干 Define a non-empty positive integer multi-set as "Good" iff the product of all elements in the set is the square of some positive integer 𝑥, and...

C++ 动态规划背包质因数状压

2024-07-21

1 321

题解：2024牛客暑期多校第2场——I [Red Playing Cards]

英文题干 There are 2⋅n cards arranged in a row, with each card numbered from 1 to n having exactly 2 copies. Each time, Red can choose a subarray of conse...

C++ 动态规划

2024-07-20

2 291

题解：2024牛客暑期多校第2场——C [Red Walking on Grid]

英文题干 Red is on a 2⋅n grid, with some cells being red and others being white. Red can initially choose a red cell, and at each step, can choose a red c...

C++ 动态规划

2024-07-19

2 269