比赛链接:Dashboard - Codeforces Round #792 (Div. 1 + Div. 2) - Codeforces C. Column Swapping 题意: 给定一个n*m大小的二维数组,要求只进行一次两列交换,使得得到的新数组的每行都是不减的。特别的,允...
2023-07-29编程代码Codeforces,divCodeforces Round #792 (Div. 1 + Div. 2) A-E A 题目 https://codeforces.com/contest/1684/problem/A 题解 思路 知识点:数学。 显然长度大于等于3的数字串的最小数位是完全可以通过这些操作留到最后。 长度等...
2023-07-29编程代码Codeforces,div本来兴致勃勃的想乘着这一次上紫,于是很早很早的到了机房 但是好像并没有什么用,反而rating-=47 Codeforces Round #438(Div.1+Div.2) 今天就这样匆匆的总结一下,心情不好qaq 首先是 A.Bark to Unlock 启...
2023-07-29编程代码Codeforces,divCodeforces Beta Round #27 (Codeforces format, Div. 2) http://codeforces.com/contest/27 A #include<bits/stdc++.h> using namespace std; #define lson l,mid,rt<<1 #define rson mid+1,r,r...
2023-07-29编程代码beta,Codeforces,divBakery 题目链接: http://codeforces.com/contest/707/problem/B Description ``` Masha wants to open her own bakery and bake muffins in one of the n cities numbered from 1 to n. There are m bidirecti...
2023-07-11编程代码Codeforces,div,模拟Codeforces Round #383 (Div. 2) A. Arpa’s hard exam and Mehrdad’s naive cheat 题意 求1378^n mod 10 题解 直接快速幂 代码 #include<bits/stdc++.h> using namespace std; long long quickpow(long lon...
2023-07-11编程代码Codeforces,div,题解Codeforces Round #279 (Div. 2) 做得我都变绿了! Problems # Name A Team Olympiad standard input/output 1 s, 256 MB x2377 B Queue standard input/outpu...
2023-07-11编程代码ABCDE,Codeforces,div直达–>Codeforces Round #368 (Div. 2) A Brain’s Photos 给你一个NxM的矩阵,一个字母代表一种颜色,如果有”C”,”M”,”Y”三种中任意一种就输出”#Color&...
2023-07-11编程代码Codeforces,divCodeforces Round #582 (Div. 3)-G. Path Queries-并查集 【Problem Description】 给你一棵树,求有多少条简单路径\((u,v)\),满足\(u\)到\(v\)这条路径上的最大值不超过\(k\)。\(q\)次查询。 【Solution】 并...
2023-07-11编程代码Codeforces,div,Queries目录 Codeforces 990 A.Commentary Boxes B.Micro-World C.Bracket Sequences Concatenation Problem D.Graph And Its Complement(思路 构造) E.Post Lamps(贪心) F.Flow Control(思路) G.GCD Counting(思路) C...
2023-07-11编程代码Codeforces,div,Educational目录 Codeforces 1000 A.Codehorses T-shirts B.Light It Up C.Covered Points Count(差分) D.Yet Another Problem On a Subsequence(DP) E.We Need More Bosses(圆方树) $Description$ $Solution$ F.One Occurr...
2023-07-11编程代码Codeforces,div,Educational目录 Codeforces 1009 A.Game Shopping B.Minimum Ternary String C.Annoying Present D.Relatively Prime Graph E.Intercity Travelling(递推) $Description$ $Solution$ F.Dominant Indices(启发式合并) G.All...
2023-07-11编程代码Codeforces,div,Educational题目链接:http://codeforces.com/contest/879/problem/C C. Short Program time limit per test2 seconds memory limit per test256 megabytes Petya learned a new programming language CALPAS. A program in...
2023-06-25编程教程Codeforces,div,ProgramCodeforces Round #443 (Div. 2) codeforces 879 A. Borya's Diagnosis【水题】 #include<cstdio> #include<cstring> #include<algorithm> using namespace std; int main(){ int n,...
2023-06-25编程教程Codeforces,div