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全部文章（共302篇）

A. Many Equal Substrings

题目链接：https://codeforces.com/contest/1029/problem/A A. Many Equal Substrings time limit per test1 second memory limit per test256 megabytes inputstanda...

2019-04-05

0 657

C++函数库

C++常用库函数 1、常用数学函数头文件 #include 或者 #include <math.h> 函数原型功能返回值 int abs(int x) 求整数x的绝对值绝对值 double cos(double x) 计算cos(x)的值 double cosh(double...

2019-04-05

0 416

B. Petya and Exam

题目链接：https://codeforces.com/problemset/problem/832/B It’s hard times now. Today Petya needs to score 100 points on Informatics exam. The tasks seem ea...

2019-04-05

0 438

A. The Useless Toy

题目链接：https://codeforces.com/problemset/problem/834/A A. The Useless Toy time limit per test1 second memory limit per test256 megabytes inputstandard i...

2019-04-05

0 433

Protect Sheep

题目链接：https://codeforces.com/contest/948/problem/A Bob is a farmer. He has a large pasture with many sheep. Recently, he has lost some of them due to w...

2019-04-05

0 435

B. Divisors of Two Integers

B. Divisors of Two Integers time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Recently you have...

2019-04-04

0 314

矩阵快速幂 Count

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=6470 Count Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submi...

2019-04-04

0 412

Binary to Decimal

题目链接：https://ac.2333.moe/Problem/view.xhtml?id=1227 The boring Three-God get a boring question. So you have to transform a binary number to a decimal....

2019-04-03

0 420

R. Game

题目链接：https://codeforces.com/problemset/problem/630/R There is a legend in the IT City college. A student that failed to answer all questions on the ga...

2019-04-03

0 361

A. Points in Segments

题目来源：https://codeforces.com/problemset/problem/1015/A You are given a set of n segments on the axis Ox, each segment has integer endpoints between 1 a...

2019-04-03

0 720