龍木

codeforces

c#(1) 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 / codeforces （共130篇）

B. Count Subrectangles

链接：https://codeforces.ml/contest/1323/problem/B You are given an array aa of length nn and array bb of length mm both consisting of only integers 00 ...

2020-09-15

0 585

C. Unusual Competitions

链接：https://codeforces.ml/contest/1323/problem/C A bracketed sequence is called correct (regular) if by inserting "+" and "1" you ...

2020-09-15

0 645

C. Adding Powers

链接：https://codeforces.ml/contest/1312/problem/C Suppose you are performing the following algorithm. There is an array v1,v2,…,vnv1,v2,…,vn filled wit...

2020-09-15

0 364

D. Count the Arrays

链接：https://codeforces.ml/contest/1312/problem/D Your task is to calculate the number of arrays such that: each array contains nn elements; each e...

2020-09-15

0 400

E. Sleeping Schedule

链接：https://codeforces.ml/contest/1324/problem/E Vova had a pretty weird sleeping schedule. There are hh hours in a day. Vova will sleep exactly nn ti...

2020-09-15

0 654

D. Pair of Topics

链接：https://codeforces.ml/contest/1324/problem/D The next lecture in a high school requires two topics to be discussed. The ii-th topic is interesting...

2020-09-15

0 0

C. Ehab and Path-etic MEXs

链接：https://codeforces.ml/contest/1325/problem/C You are given a tree consisting of nn nodes. You want to write some labels on the tree's edges such t...

2020-09-15

0 529

D. Ehab the Xorcist

链接：https://codeforces.ml/contest/1325/problem/D Given 2 integers uu and vv, find the shortest array such that bitwise-xor of its elements is uu, and ...

2020-09-15

0 561

E. Count The Blocks

链接：https://codeforces.ml/contest/1327/problem/E You wrote down all integers from 00 to 10n−110n−1, padding them with leading zeroes so their lengths ...

2020-09-15

0 404

D. Carousel

链接：https://codeforces.ml/contest/1328/problem/D The round carousel consists of nn figures of animals. Figures are numbered from 11 to nn in order of ...

2020-09-15

0 0