扫雷问题中总是有不正确的输出

Question

#include<stdio.h>
int main()
{
    char a[100][100];
    int n, i, j;
    scanf("%d", &n);
    getchar();
    for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
        {
            scanf("%c", &a[i][j]);
        }
    }
    for (i = 0; i < n; i++)
    {
        for (j = 0; j < n; j++)
        {
            if (a[i][j] == '*')
            {
                if(j==n-1)
                {
                    printf("*\n");
                }
                else if (j != n - 1)
                {
                    printf("*");
                }
            }
            else if (a[i][j] == 'o')
            {
                if (i > 0 && i < n - 1 && j>0 && j < n - 1)
                {
                    int count = 0;
                    for (int m = i - 1; m <= i + 1; m++)
                    {
                        for (int y = j - 1; y <= j + 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d", count );
                }
                else if (i == 0 && j == 0)
                {
                    int count = 0;
                    for (int m = 0; m <= 1; m++)
                    {
                        for (int y = 0; y <= 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d", count );
                }
                else if (i == n - 1 && j == n - 1)
                {
                    int count = 0;
                    for (int m = n - 2; m <= n - 1; m++)
                    {
                        for (int y = n - 2; y <= n - 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d\n", count );
                }
                else if (i == 0 && j == n - 1)
                {
                    int count = 0;
                    for (int m = 0; m <= 1; m++)
                    {
                        for (int y = n - 2; y <= n - 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d\n", count );
                }
                else if (i == n - 1 && j == 0)
                {
                    int count = 0;
                    for (int m = n - 2; m <= n - 1; m++)
                    {
                        for (int y = 0; y <= 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d", count );
                }
                else if (i == 0 && j >= 1 && j <= n - 2)
                {
                    int count = 0;
                    for (int m = 0; m <=  1; m++)
                    {
                        for (int y = j-1; y <= j+1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d", count );
                }
                else if (i == n-1 && j >= 1 && j <= n - 2)
                {
                    int count = 0;
                    for (int m = n-2; m <= n-1; m++)
                    {
                        for (int y = j - 1; y <= j + 1; y++)
                        {
                            if (a[m][y] == '*')
                            {
                                count++;
                            }
                        }
                    }
                    printf("%d", count );
                }
                else if (j == 0 && i >= 1 && i <= n - 2)
                {
                int count = 0;
                for (int m = i-1; m <= i+1; m++)
                {
                    for (int y = 0; y <=1; y++)
                    {
                        if (a[m][y] == '*')
                        {
                            count++;
                        }
                    }
                }
                printf("%d", count );
                }
                else if (j == n-1 && i >= 1 && i <= n - 2)
                {
                int count = 0;
                for (int m = i - 1; m <= i + 1; m++)
                {
                    for (int y = n-2; y <= n-1; y++)
                    {
                        if (a[m][y] == '*')
                        {
                            count++;
                        }
                    }
                }
                printf("%d\n", count );
                }
            }
        }
    }
    
    return 0;
}
标准答案输出是第一张照片，我的输出是第二张照片，看不懂也不明白错在哪里

![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/140523238666167.jpg "#left")

Answer 1

for (i = 0; i < n; i++)
{
for (j = 0; j < n; j++)
{
scanf("%c", &a[i][j]);
}
}
你所有输入字符都在同一行吗？如果分成多行，那么每行的结束符你必须加getchar()接收才行。
改为：

for (i = 0; i < n; i++)
{
        for (j = 0; j < n; j++)
             scanf("%c", &a[i][j]);
        getchar();
}