GCD of Subsets[https://codeforces.com/gym/106161/problem/G] A - A Lot of Paintings[http...
GCD of Subsets[https://codeforces.com/gym/106161/problem/G] A - A Lot of Paintings[http...
Grand Voting[https://qoj.ac/contest/2558/problem/14687] Dada 举办了一场比赛,但它收到了大量的差评。于是 Dada...
J - Graft and Transplant[https://codeforces.com/gym/104869/problem/J] E - Sheep Eat Wol...
M - Matrix Construction[https://codeforces.com/gym/105588/problem/M] J - Just another S...
F - Pockets[https://codeforces.com/gym/103743/problem/F]
K - Number Deletion Game[https://codeforces.com/gym/105161/problem/K] I - Integer React...
A - Notelock[https://codeforces.com/contest/2154/problem/A] B - Make it Zigzag[https://...
A - Orders[https://codeforces.com/gym/104417/problem/A] I - Three Dice[https://codeforc...
C - Brackets Stack Query 题目大意 一个字符串 被称为好的括号序列,当且仅当它满足以下条件: 可以通过对以下操作进行零次或多次连续执行以得到空字符串...
A - AUS[https://codeforces.com/gym/105657/problem/A] K - Kind of Bingo[https://codeforc...
I - Counter[https://codeforces.com/gym/104821/problem/I] C - Primitive Root[https://cod...
A - Programming Contest[https://codeforces.com/gym/104369/problem/A] C - Trading[https:...
J Leaking Roof[https://pintia.cn/problem-sets/1441745686294945792/exam/problems/type/7?...
A - Oops, It's Yesterday Twice More[https://codeforces.com/gym/103470/problem/A] 题意 有一个...
E - Closest Moment[https://atcoder.jp/contests/abc426/tasks/abc426_e] Takahashi and Aok...
4.2 源程序 4.2.1 伪指令 在汇编语言的源程序中包含两种指令:汇编指令、伪指令。(1)汇编指令:有对应机器码的指令,可以被编译为机器指令,最终被CPU所执行。(2)伪...
Largest Digit[https://codeforces.com/gym/104901/problem/D] I - Strange Sorting[https://...
B - Gold Medal[https://codeforces.com/gym/105386/problem/B] G - Be Positive[https://cod...
高维正态分布 定义 维随机向量 服从多元正态分布,如果它的概率密度函数为: 记作 ,其中: 是均值向量 是协方差矩阵(对称正定) 特征函数 多元正态分布的特征函数为: 推导...
J. Strange Sum[https://codeforces.com/gym/104077/problem/J] 题意 给定序列 。 我们需要选择若干元素(可以不选),...