A72.乒乓球 题解

#include <bits/stdc++.h>
using namespace std;
int a[62550];
int b[2]={11,21};
int main(){
	int n=0;
	char c;
	while (1){
		scanf("%c",&c);
		if (c=='E') break;
		else if (c=='W'){
			a[n]=1;
			n++;
		}
		else if (c=='L'){
			a[n]=0;
			n++;
		}
	}
	for (int i=0;i<2;i++){
		int w=0,l=0;
		for (int j=0;j<n;j++){
			w+=a[j];
			l+=1-a[j];
			if (max(w,l)>=b[i]&&abs(w-l)>=2){
				cout<<w<<':'<<l<<endl;
				w=0;
				l=0;
			}
		}
		cout<<w<<':'<<l<<endl<<endl;
	}
	return 0;
}