Codeforces 1221F Game With String 思维题 题意:有两个人玩游戏,游戏规则如下:有一个长度为n的字符串,这个字符串由 . 和 X 构成,Alice可以选择a个连续的 . 把它们变成X, Bob可以选择连续的b个 . 把它们变成X。题目中保证a > b, Alice先手,问双方都不放水的情况下谁会赢?
len(s) - 1]. He tells Vasya this strings, and then shifts itkletters to the left, i. e. creates a new stringt = sk + 1sk + 2...sns1s2
CodeForces - 1221E Game With String(不平等博弈) Alice and Bob play a game. Initially they have a strings1,s2,…,sns1,s2,…,sn, consisting of only characters. andX. They take alternating turns, and Alice is moving first. During each turn, the player has to select a contiguous substring...
Game with string time limit per test 1 second memory limit per test 256 megabytes 题目链接http://codeforces.com/contest/1104/problem/B 题目大意:给你一个字符串,每次只能删除相邻两个相同的字母,直到不能删除者输掉游戏,问是否先手的胜利,如果是则输出Yes,否则输出No。 输赢的条件规律到是很简单,就是奇...
Petya and Vasya are competing with each other in a new interesting game as they always do. At the beginning of the game Petya has to come up with an array ofNNpositive integers. Sum of all elements in his array should be equal toSS. Then Petya has to select an integerKKsuch that0≤...
Codeforces 1355 D. Game With Array 题意: 让你构造一个长度为 的序列,并且 个数的和为 ,问能不能找到一个 的数 ,使得数组里找不出一个子序列的和为 或者 ; 让 ,然后数组只要不出现 和 就好了,只要 ,也就是由 个 和一个 AC代码: int n, s, k;...
Here n <= 10^8 , k <=N Time : 3s - 1)-th bits of the first 2 numbers. If thay are already set then assign them 0 and try to put 1 onz-th bit and so on. Subtract
Alice and Bob are employees of Dunder Mifflin. They are playing a game with a binary string of length N. Alice always goes first, followed by Bob, and they take turns making moves. Game Rules: On each turn, the player must place either a "&" (AND) or "|" (OR) between two adjace...
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(cnt2==0)cout<<"DRAW\n";elsecout<<"BOB\n";return;}intk=cnt2-cnt1;//变成回文后剩下的0的数量if(k==0){cout<<"ALICE\n";return;}if(k==1&&cnt1==1){cout<<"DRAW\n";return;}cout<<"ALICE\n";}signedmain(){ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);intt=1;cin>...