哈曼顿距离

#include<iostream>
#include<cmath>
using namespace std;
int main() {
    double x, sum = 0;
    char a;
    cin >> a;
    for (int i = 0; i < 12; i++) {
        for (int j = 0; j < 12; j++) {
            cin >> x;
            if (i+11-j<=10) {//i<j更简单
                sum += x;
            }
        }
    }
    printf("%.1lf", a == 'S' ? sum : sum / 66);
    return 0;
}