文件目录

#include <iostream>
using namespace std;
int main()
{
    int n, m, a[150][150] = {}, b;
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
            cin >> a[i][j];
    double sum = n * m, k = 0;
    for (int i = 1; i <= n; i++)
        for (int j = 1; j <= m; j++)
        {
            cin >> b;
            if (a[i][j] == b)
                k++;
        }
    printf("%.2lf", k / sum * 100);
    return 0;
}