题解

#include<bits/stdc++.h>
using namespace std;
char a[101][101];
int ans=0;
int main(){
	int n,m;
	cin>>n>>m;
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			cin>>a[i][j];
		}
	}
	for(int i=1;i<=n;i++){
		for(int j=1;j<=m;j++){
			if(a[i][j]!='*'){
				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]=='*') ans++;
				if(a[i+1][j+1]=='*') ans++;
				if(a[i+1][j-1]=='*') ans++;
				if(a[i][j+1]=='*') ans++;
				if(a[i][j-1]=='*') ans++;
				cout<<ans;//一定要归零
                ans=0;
			}else cout<<"*";
		}
		cout<<endl;
	}
	return 0;
}