Language: C++

#include<iostream>
#include<cstring>
using namespace std;
char map[101][101];
int t[101][101];
void work(int x,int y)
{
    if(map[x+1][y]=='*') t[x][y]++;
    if(map[x-1][y]=='*') t[x][y]++;
    if(map[x][y+1]=='*') t[x][y]++;
    if(map[x][y-1]=='*') t[x][y]++;
    if(map[x+1][y+1]=='*') t[x][y]++;
    if(map[x+1][y-1]=='*') t[x][y]++;
    if(map[x-1][y+1]=='*') t[x][y]++;
    if(map[x-1][y-1]=='*') t[x][y]++;
}
int main()
{
    int n,m,i,j,k=0;
    cin>>n>>m
        ++k;
        if(n==0||m==0) break;
        for(i=1;i<=n;i++)
        for(j=1;j<=m;j++)
        cin>>map[i][j];
        for(i=1;i<=n;i++)
        for(j=1;j<=m;j++)
        {
            if(map[i][j]=='.') work(i,j);
            if(map[i][j]=='*') t[i][j]=-1;
        }
        for(i=1;i<=n;i++)
        {
            for(j=1;j<=m;j++)
            {
                if(t[i][j]==-1) cout<<"*";
                else cout<<t[i][j];
            }
            cout<<endl;
        }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:20:11: error: no match for 'operator>>' (operand types are 'std::basic_istream<char>::__istream_type' {aka 'std::basic_istream<char>'} and 'int')
   20 |     cin>>n>>m
      |     ~~~~~~^~~
      |        |
      |        std::basic_istream<char>::__istream_type {aka std::basic_istream<char>}
   21 |         ++k;
      |         ~~ 
      |         |
      |         int
In file included from /usr/include/c++/14/iostream:42,
                 from a.cc:1:
/usr/include/c++/14/istream:170:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(bool&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  170 |       operator>>(bool& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:170:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:174:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(short int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  174 |       operator>>(short& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:174:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'short int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:177:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(short unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  177 |       operator>>(unsigned short& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:177:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'short unsigned int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:181:7: note: candidate: 'std::basic_istream<_CharT, _Traits>& std::basic_istream<_CharT, _Traits>::operator>>(int&) [with _CharT = char; _Traits = std::char_traits<char>]' (near match)
  181 |       operator>>(int& __n);
      |       ^~~~~~~~
/usr/include/c++/14/istream:181:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'int&' to an rvalue of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:184:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  184 |       operator>>(unsigned int& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:184:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'unsigned int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:188:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  188 |       operator>>(long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:188:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'long int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:192:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  192 |       operator>>(unsigned long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:192:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'long unsigned int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:199:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  199 |       operator>>(long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:199:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'long long int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:203:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long long unsigned int&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  203 |       operator>>(unsigned long long& __n)
      |       ^~~~~~~~
/usr/include/c++/14/istream:203:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'long long unsigned int&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:219:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(float&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'float&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:223:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'double&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: cannot bind non-const lvalue reference of type 'long double&' to a value of type 'int'
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
/usr/include/c++/14/istream:328:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(void*&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  328 |       operator>>(void*& __p)
      |       ^~~~~~~~
/usr/include/c++/14/istream:328:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: invalid conversion from 'int' to 'void*' [-fpermissive]
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
      |         |
      |         int
a.cc:21:9: error: cannot bind rvalue '(void*)((long int)(m ++))' to 'void*&'
/usr/include/c++/14/istream:122:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__istream_type& (*)(__istream_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]' (near match)
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: invalid conversion from 'int' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'} [-fpermissive]
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
      |         |
      |         int
/usr/include/c++/14/istream:126:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(__ios_type& (*)(__ios_type&)) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>; __ios_type = std::basic_ios<char>]' (near match)
  126 |       operator>>(__ios_type& (*__pf)(__ios_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:126:7: note:   conversion of argument 1 would be ill-formed:
a.cc:21:9: error: invalid conversion from 'int' to 'std::basic_istream<char>::__ios_type& (*)(std::basic_istream<char>::__ios_type&)' {aka 'std::basic_ios<char>& (*)(std::basic_ios<char>&)'} [-fpermissive]
   20 |     cin>>n>>m
      |             ~
   21 |         ++k;
      |         ^~
      |         |
      |         int
/usr/include/c++/14/istream:133:7: note: candidate: 'st