程序代码：

#include<stdio.h>
#define MAX 10
int a[MAX][MAX];
int m, n;
void Init()
{
    int i, j;
    for (i = 0;i <= m+1;++i)
        a[i][0] = a[i][n+1] = -1;
    for (i = 0;i <= n+1;++i)
        a[0][i] = a[m+1][i] = -1;
    for (i = 1;i <= m;++i)
    for (j = 1;j <= n;++j)
        scanf("%d", &a[i][j]);
}
int Judge(int x, int y)
{
    if (-1 == a[x][y])    return -1;
    if (0 == a[x][y])    return 0;
    a[x][y] = 0;
    Judge(x, y - 1);//左
    Judge(x - 1, y);//上
    Judge(x, y + 1);//右
    Judge(x + 1, y);//下
    return 1;
}
int Get()
{
    int number = 0;
    for (int i = 1;i <= m;++i)
    for (int j = 1;j <= n;++j)
        if (Judge(i, j))
        ++number;
    return number;
}
int main()
{
    int N;
    scanf("%d", &N);
    while (N--)
    {
        scanf("%d%d", &m, &n);
        Init();
        printf("%d\n", Get());
    }
    return 0;
}