题解 | 乒乓球

#include <bits/stdc++.h>
using namespace std;

void solve(string s, int limit) {
    int w = 0, l = 0;

    for (char c : s) {
        if (c == 'W') w++;
        else l++;

        if ((w >= limit || l >= limit) && abs(w - l) >= 2) {
            cout << w << ":" << l << endl;
            w = 0;
            l = 0;
        }
    }

    cout << w << ":" << l << endl;
}

int main() {
    string s;
    cin >> s;

    solve(s, 11);
    cout << endl;
    solve(s, 21);

    return 0;
}