题解 | 矩阵元素定位

#include <stdio.h>

int main() 
{
    int n = 0;
    int m = 0;
    while (scanf("%d %d", &n, &m) == 2)
    {
        int arr[n][m];
        int i = 0;
        int j = 0;
        int a = 0;
        int b = 0;
        for (i = 0; i < n; i++)
        {
            for (j = 0; j < m; j++)
                scanf ("%d", &arr[i][j]);
        }
        scanf ("%d %d", &a, &b);
        printf ("%d\n", arr[a-1][b-1]);
    }

    return 0;
}