D. Irreducible Anagrams time limit per test seconds memory limit per test megabytes Let s call two strings s and t anagrams of each other if it is possible to rearrange symbols in the string s to get ...
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D. 1-2-K Game time limit per test2 seconds memory limit per test256 megabytes inputstandard input outputstandard output Alice and Bob play a game. ...
Codeforces Round #616 (Div. 2)解题报告 A. Even But Not Even 找两个奇数就行了。 B. Array Sharpening 贪心+构造。 就从0开始往上走，看看最远能走到哪，看代码。 C. Mind Control 这道题题意 ...
D. Nezzar and Board https://codeforces.com/contest/1478/problem/D 题解 题意为给出一个序列xi，你可以任意挑选两个数x，y将2·x-y加入序列中，询问在是否可以在序列中发现数k。 假设我们任意挑选4个数：x，y，p，q ...
题意：一个n个数码位的分数板，每一个数码位都是一个七段数码管，现在给出每个数码位的显示情况，问再点亮k段数码管的话能显示的最大的数是多少，如果不能构成一串数字，就输出-1. 答案允许有前导0，但是有前导0的时候答案长度必须要跟n一致 原题链接：https://codeforces ...
E. Prefix Enlightenment time limit per test3 seconds memory limit per test256 megabytes There are ...
的，那么它的前面都是满足单调升的。从后往前找第一个不满足a[i]>=n-i的，那么它的后面都是满足单调减的。如 ...
D. Yet Another Monster Killing Problem You play a computer game. In this game, you lead a party of 𝑚 heroes, and you have to clear a dungeon ...
D. Secret Passwords One unknown hacker wants to get the admin's password of AtForces testing system, to get problems from the next contest. ...
