题解 | 乒乓球

import java.util.Scanner;

public class Main {

    private static void printScore(int score, char[] c) {
        int w = 0;
        int l = 0;
        for (int i = 0; i < c.length; i++) {
            if (c[i] == 'W') {
                w++;
            } else {
                l++;
            }
            if (Math.abs(w-l) >= 2 && (w >= score || l >= score)) {
                System.out.println(w + ":" + l);
                w = 0;
                l = 0;
            }
        }
        System.out.println(w + ":" + l);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        char[] c = in.nextLine().toCharArray();
        printScore(11, c);
        System.out.println();
        printScore(21, c);
    }
}