题解 | 扫雷

#include <stdio.h>

int main() 
{
    int m,n;
    int i,j;
    scanf("%d%d",&m,&n);
    getchar();
    char num1[1000][1000];
    for(i=0;i<m+2;i++)
    {
        for(j=0;j<n+2;j++)
        num1[i][j]='.';
    }
    for(i=1;i<m+1;i++)
    {
        for(j=1;j<n+1;j++)
        {
            scanf("%c",&num1[i][j]);
        }
        getchar();
    }
    for(i=1;i<m+1;i++)
    {
        for(j=1;j<n+1;j++)
        {
            if(num1[i][j]!='*')
            {
                int count=0;
                if(num1[i-1][j]=='*')
                count++;
                if(num1[i+1][j-1]=='*')
                count++;
                if(num1[i+1][j]=='*')
                count++;
                if(num1[i][j+1]=='*')
                count++;
                if(num1[i][j-1]=='*')
                count++;
                if(num1[i-1][j-1]=='*')
                count++;
                if(num1[i+1][j+1]=='*')
                count++;
                if(num1[i-1][j+1]=='*')
                count++;
                num1[i][j]=count+'0';
            }
        }
    }
    for(i=1;i<m+1;i++)
    {
        for(j=1;j<n+1;j++)
        printf("%c",num1[i][j]);
        printf("\n");
    }
    return 0;
}