【CodeForces】【博弈】1221E-Game With String CodeForces 1221E-Game With String 题目大意 ◇题目传送门◆ 给定一个仅包括X和.字符串,第一个人一次可以将连续的AAA个.改成X,第二个人则只能改BBB个,保证B<AB<AB<A,那么问第一个人能否胜利。 分析 由于连续的.是互相不影响的,所以我们一段一段地来考虑。
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? 思路:注意到a > b这个关键...
Vasya and Kolya play a game with a string, using the following rules. Initially, Kolya creates a string s, consisting of small English letters, and uniformly at random chooses an integer k from a segment [0, len(s) - 1]. He tells Vasya this string s, and then shifts it k ...
codeforces 1221E. Game With String 不平等博弈 题意:T组数据 , 对于每组有一个字符串由'X'和'.'组成。现在爱丽丝和鲍勃轮流玩游戏,爱丽丝先操作。 对于每次操作爱丽丝可以把连续的a个'.'变成'X',鲍勃可以把连续的 b个'.'变成'X' 。(输入保证a大于b) 谁不能操作谁就输。 先把每段连续的‘.’处理...
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 ...
Codeforces-B-Game with string(模拟栈) Two people are playing a game with a string ss, consisting of lowercase latin letters. On a player's turn, he should choose two consecutive equal letters in the string and delete them. For example, if the string is equal to "xaax" than there is ...
Codeforces 1221E. Game With String 传送门 首先每一段连续的 $...$ 都是互不影响的,所以可以一段段考虑 考虑最简单的情况,此时每一段都大于等于 $a$ 并且小于 $2b$ ,那么每一段都只能放一次,胜负直接根据段数即可得到答案 考虑如果存在段长小于 $a$ 却大于等于 $b$ 的情况,此时后手可以随时放在那个...
Here n <= 10^8 , k <=N Time : 3s k + logN 1) Set to 1 the first bit in numbers. If then set to 1 the second bit of the last 2 numbers. Subtract all considered bits fromn. 2) Now we do not need to care about the conditionni > 0anymore. Pick the biggest ...
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 Round 879 (Div. 2) C. Game with Reversing, 视频播放量 112、弹幕量 0、点赞数 1、投硬币枚数 0、收藏人数 0、转发人数 1, 视频作者 沫刃起, 作者简介 ,相关视频:Codeforces Round 884 (Div. 1 + Div. 2) C. Particles,codeforces日常刷题,codeforces日常