#include <iostream>
#include <cstring>
using namespace std;
char a[1001][1001],b[1001][1001];
int main()
{
int n,m,i,j;
cin>>n>>m;
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cin>>a[i][j];
}
}
//从8个方向讨论
for(i=1;i<=n;i++)//i=0,j=0时a[0][0]=0.
{
for(j=1;j<=m;j++)
{
if(a[i][j]!='*')
{
int ans=0;//每经过一个字符,就要重新计数
if(a[i][j+1]=='*')
ans++;
if(a[i][j-1]=='*')
ans++;
if(a[i-1][j]=='*')
ans++;
if(a[i+1][j]=='*')
ans++;
if(a[i-1][j-1]=='*')
ans++;
if(a[i-1][j+1]=='*')
ans++;
if(a[i+1][j-1]=='*')
ans++;
if(a[i+1][j+1]=='*')
ans++;
b[i][j]=ans+'0';//把int转为char
}
else if(a[i][j]=='*')
b[i][j]='*';
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=m;j++)
{
cout<<b[i][j];
}
cout<<endl;
}
return 0;
}
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转载自blog.csdn.net/weixin_51713993/article/details/113806826
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