B. Fixed Points time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output A permutation of length n is an integer sequence such t
B. Xenia and Spies time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia the vigorous detective faced n (n ≥ 2) foreign
D. Xenia and Bit Operations time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output Xenia the beginner programmer has a sequenc
B. Permutation time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output A permutation p is an ordered group of numbers p1, p2,
C. Find Maximum time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Valera has array a, consisting of n integers a0, a1, ..., an - 1, and
A. Jeff and Rounding time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Jeff got 2n real numbers a1, a2, ..., a2n as a birt
B. Kyoya and Permutation time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Let’s define the permutation of length n as an array p = [p1, p2
D. Guess Your Way Out! II time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Amr bought a new video game “Guess Your Way Out! II”. The goal
D. Tanya and Password time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output While dad was at work, a little girl Tanya decided to play with dad
C. Guess Your Way Out! time limit per test1 second memory limit per test256 megabytes inputstandard input outputstandard output Amr bought a new video game “Guess Your Way Out!”. The goal of the
D. R2D2 and Droid Army time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output An army of n droids is lined up in one row. Each
E. Vanya and Brackets time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya is doing his maths homework. He has an expre
C. Vanya and Scales time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Vanya has a scales for weighing loads and weights of
div.4只写部分题解了,都比较基础,数学偏多一点,几乎没有算法,有不懂的欢迎评论区提问! A. My First Sorting Problem #include<bits/stdc++.h>using namespace std ;typedef long long ll ;const int maxn = 2e6 + 7 ;const int mod = 998244353 ;
本人水平不高,开这个专栏主要是督促自己补题,有些题对目前的我来说还比较难,还补不动,等以后能力上来了再补。。。 原题链接:Dashboard - Codeforces Round 605 (Div. 3) - Codeforces 目录 A. Three Friends B. Snow Walking Robot C. Yet Another Broken Keyboard D.
比赛链接 这场比较有意思,可惜最近太忙了没法仔细研究,只能看看别人的题解然后补掉了。这场还是比较难的。 C,E是构造,D是个模拟,F需要先推出一个结论,之后二分查找,G题是字符串的题,需要先用拓展kmp预处理一下,然后做法也很多,有根号分治,分治+剪枝,还有一个按顺序加数然后二分的做法。FG比较难,解题思路确实很妙。 A. Maximize? 题意: 给你一个整数 x x x 。你
A. Little Pony and Crystal Mine time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Twilight Sparkle once got a crystal f