【leetcode】三维形体投影面积

int maxCount(int m, int n, int** ops, int opsSize, int* opsColSize){
    for (int i=0; i<opsSize; i++)
    {
         if (ops[i][0] < m) m = ops[i][0];
         if (ops[i][1] < n) n = ops[i][1];
    }
    return m*n;
}