PAT Basic 1018锤子剪刀布20分 c++ AC代码

原题链接
最近在学c++
自己敲的，实现的有些麻烦，尤其是输出“获胜次数最多的手势”部分，等后续回来再改进。
对代码有疑问的，欢迎交流评论。

#include  //20/20

using namespace std;

int as = 0, ap = 0, af = 0;
int b1 = 0, c1 = 0, j1 = 0;
int b2 = 0, c2 = 0, j2 = 0;

int check(char a, char b)
{
    if (a == b)
        ap++;
    else if (a == 'C' && b == 'J')
    {
        c1++;
        as++;
    }
    else if (a == 'C' && b == 'B')
    {
        b2++;
        af++;
    }
    else if (a == 'J' && b == 'C')
    {
        c2++;
        af++;
    }
    else if (a == 'J' && b == 'B')
    {
        j1++;
        as++;
    }
    else if (a == 'B' && b == 'J')
    {
        af++;
        j2++;
    }
    else if (a == 'B' && b == 'C')
    {
        as++;
        b1++;
    }

    return 0;
}

int main()
{
    int N;
    char a, b;
    char tab;
    cin >> N;

    while (N > 0)
    {
        cin >> a >> b;
        // cout << ':' << a << ':' << b << endl;
        check(a, b);
        N--;
    }
    cout << as << ' ' << ap << ' ' << af << endl;
    cout << af << ' ' << ap << ' ' << as << endl;

    if (b1 >= c1 && b1 >= j1)
        cout << "B ";
    else if (c1 >= j1)
        cout << "C ";
    else
        cout << "J ";

    if (b2 >= c2 && b2 >= j2)
        cout << "B";
    else if (c2 >= j2)
        cout << "C";
    else
        cout << "J";
    // system("pause");
    return 0;
}