题解 | 乒乓球

#include <iostream>
using namespace std;
void game(const string& s,int k){
    int w_score=0,l_score=0;
    for(char c:s){
        if(c=='W') w_score++;
        else if(c=='L') l_score++;
        if((w_score>=k || l_score>=k)&&abs(w_score-l_score)>=2)
        {
            cout<<w_score<<':'<<l_score<<endl;
            w_score=0;
            l_score=0;
        }
    }
    cout<<w_score<<':'<<l_score<<endl;
}
int main() {
    string s;
    cin>>s;
    game(s, 11);
    cout<<endl;
    game(s, 21);
    return 0;
}
// 64 位输出请用 printf("%lld")