帮忙看有呗 谢谢会关

#include<bits/stdc++.h>
using namespace std;
int i,j,n,m;
char a[101][101];
int s[101][101];
int main(){
cin>>n>>m;
for(i=1;i<=n;i++){
    for(j=1;j<=m;j++){
        cin>>a[i][j];
    

if(a[i][j]=='*'){
    s[i][j+1]++;
    s[i][j-1]++;
    s[i-1][j]++;
    s[i+1][j]++;
    s[i-1][j-1]++;
    s[i+1][j+1]++;
    s[i-1][j+1]++;
    s[i+1][j-1]++;
}}}
for(i=1;i<=n;i++){
    for(j=1;j<=m;j++){
        if(a[i][j]=='*'){
            cout<<"*";
        }else{
            cout<<s[i][j];
        }
    }cout<<endl;
}return 0;
}