龍木

分类

c#(1) codeforces(130) dp(2) map(2) RMQ(1) 一些神奇的东西(1) 三分(1) 前缀和(1) 区间dp(1) 博弈(2) 大数(1) 平面几何(1) 并查集(1) 快数幂(1) 总结(1) 打表(1) 找规律(4) 数学(8) 暴力(1) 最小公约数(1) 最小生成树(1) 未归档(31) 杭电(4) 浅谈(8) 深度优先搜索(1) 牛客(10) 组合数(1) 网络流最大流(2) 题解(3)

/ 注册

全部文章（共613篇）

C. p-binary

链接：https://codeforces.com/contest/1247/problem/C Vasya will fancy any number as long as it is an integer power of two. Petya, on the other hand, is v...

2020-09-15

0 489

7030问题 U: 家庭问题

题目描述有n个人，编号为1,2,……n，另外还知道存在K个关系。一个关系的表达为二元组（α，β）形式，表示α，β为同一家庭的成员。当n，k和k个关系给出之后，求出其***有多少个家庭、最大的家庭中有多少人？例如：n＝6，k＝3，三个关系为（1,2），(1,3)，(4,5) 此时，6个人组成三...

2020-09-15

0 956

C - The Dominator of Strings

Here you have a set of strings. A dominator is a string of the set dominating all strings else. The string SS is dominated by TT if SS is a substring ...

2020-09-15

0 447

K - Kingdom of Obsession

There is a kindom of obsession, so people in this kingdom do things very strictly. They name themselves in integer, and there are nn people with thei...

2020-09-15

0 505

B - Pocket Cube

链接：https://vjudge.net/contest/339839#problem/B The Pocket Cube, also known as the Mini Cube or the Ice Cube, is the 2 × 2 × 2 equivalence of a Rubik’...

2020-09-15

0 538

C. Platforms Jumping

链接：http://codeforces.com/contest/1256/problem/C There is a river of width nn. The left bank of the river is cell 00 and the right bank is cell n+1n+1...

2020-09-15

0 539

Wrestling Match

链接：http://acm.hdu.edu.cn/showproblem.php?pid=5971 Wrestling Match Problem Description Nowadays, at least one wrestling match is held eve...

2020-09-15

0 378

A. Toy Army

链接：https://codeforces.com/problemset/problem/84/A The hero of our story, Valera, and his best friend Arcady are still in school, and therefore they s...

2020-09-15

0 505

C. Minimize The Integer

链接：https://codeforces.com/contest/1251/problem/C You are given a huge integer aa consisting of nn digits (nn is between 11 and 3⋅1053⋅105, inclusive)...

2020-09-15

0 471

A. Tokitsukaze and Discard Items

链接：https://codeforces.com/problemset/problem/1190/A Recently, Tokitsukaze found an interesting game. Tokitsukaze had nn items at the beginning of thi...

2020-09-15

0 544