Rabbit and Grass Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2145    Accepted Submission(s): 1622 Problem Description 大学时光是浪漫的,女生是浪漫的,圣诞更是浪漫的,但是Rabbit和Grass这两个大学女生在今年的圣诞节却表现得一点都不浪漫:不去逛商场,不去逛…

Rabbit and Grass Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 3864    Accepted Submission(s): 2919 Problem Description 大学时光是浪漫的,女生是浪漫的,圣诞更是浪漫的,但是Rabbit和Grass这两个大学女生在今年的圣诞节却表现得一点都不浪漫:不去逛商场,不去逛…

水题,转化Nim 代码如下: #include<iostream> #include<stdio.h> #include<algorithm> #include<iomanip> #include<cmath> #include<cstring> #include<vector> #define ll __int64 #define pi acos(-1.0) #define MAX 50000 using namespa…

Problem E Watering Grass Input: standard input Output: standard output Time Limit: 3 seconds n sprinklers are installed in a horizontal strip of grass l meters long and w meters wide. Each sprinkler is installed at the horizontal center line of the s…

Rabbit and Grass Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2254    Accepted Submission(s): 1704 Problem Description 大学时光是浪漫的,女生是浪漫的,圣诞更是浪漫的,可是Rabbit和Grass这两个大学女生在今年的圣诞节却表现得一点都不浪漫:不去逛商场,不去…

题解:因为棋子可重叠,所以就等于取石子问题,即尼姆博弈,SG[i]=i,直接将输入数据异或即可. #include <cstdio> int main(){ int SG,n,a; while(scanf("%d",&n),n){ SG=0; while(n--){ scanf("%d",&a); SG=SG^a; } if(SG==0)printf("Grass Win!\n"); else printf("…

用异或看取得的值是否为0推断 思想换没搞懂 #include<stdio.h> int main() { int ans,n,a; while(scanf("%d",&n),n){ ans=0; while(n--){ scanf("%d",&a); ans=ans^a; } if(ans==0) printf("Grass Win!\n"); else printf("Rabbit Win!\n"…

Description Bessie is planning her day of munching tender spring grass and is gazing out upon the pasture which Farmer John has so lovingly partitioned into a grid with R (1 <= R <= 100) rows and C (1 <= C <= 100) columns. She wishes to count…

[Usaco2015 Jan]Grass Cownoisseur 题目 给一个有向图,然后选一条路径起点终点都为1的路径出来,有一次机会可以沿某条边逆方向走,问最多有多少个点可以被经过? (一个点在路径中无论出现多少正整数次对答案的贡献均为1) INPUT The first line of input contains N and M, giving the number of fields and the number of one-way paths (1 <= N, M <= 100,…

题目描述 In an effort to better manage the grazing patterns of his cows, Farmer John has installed one-way cow paths all over his farm. The farm consists of N fields, conveniently numbered 1..N, with each one-way cow path connecting a pair of fields. For…