hdu 2537 8球胜负

#include<cstdio>#include<cstring>#include<iostream>using namespace std;int main(){char str[30];int n;int r,y;int i;while(cin>>n){if(n==0)break;r=y=0;memset(str,0,sizeof(str));for(i=0;i<n;i++){cin>>str[i];if(str[i]=='R')r++;if(str[i]=='Y')y++;}if(str[n-1]=='B'){if(r==7)printf("Red\n");elseprintf("Yellow\n");}else{if(y==7)printf("Yellow\n");elseprintf("Red\n");}}return 0;}