Language: C++

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

int check_bomb(string str,int h,int w){
  count = 0;
  for(i = h-1; i < h+1;i++){
    for(j = w - 1; j < j + 1; j++){
    	if(str[i][j] == '#') num++;
    }
  }
  return num;
}

int main(){
  int H,W;
  int num;
  cin >> H >> W ;
  string S[H][W];
  for(i = 0;i < H;i++){
    cin >> S[H];
  }
  
  for(i = 0; i < H; i++){
  	for(j = 0; j < W; j++){
      if(S[i][j] == '.'){
        num = check_bomb(S, i, j);
        S[i][j] = num;
    }
  }
  
 for(i = 0; i < H; i++){
   cout << S[i] << endl;
 }
}


Compiler output:
a.cc: In function 'int check_bomb(std::string, int, int)':
a.cc:7:11: error: overloaded function with no contextual type information
    7 |   count = 0;
      |           ^
a.cc:8:7: error: 'i' was not declared in this scope
    8 |   for(i = h-1; i < h+1;i++){
      |       ^
a.cc:9:9: error: 'j' was not declared in this scope
    9 |     for(j = w - 1; j < j + 1; j++){
      |         ^
a.cc:10:30: error: 'num' was not declared in this scope; did you mean 'enum'?
   10 |         if(str[i][j] == '#') num++;
      |                              ^~~
      |                              enum
a.cc:13:10: error: 'num' was not declared in this scope; did you mean 'enum'?
   13 |   return num;
      |          ^~~
      |          enum
a.cc: In function 'int main()':
a.cc:21:7: error: 'i' was not declared in this scope
   21 |   for(i = 0;i < H;i++){
      |       ^
a.cc:22:9: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'std::string [W]' {aka 'std::__cxx11::basic_string<char> [W]'})
   22 |     cin >> S[H];
      |     ~~~ ^~ ~~~~
      |     |         |
      |     |         std::string [W] {aka std::__cxx11::basic_string<char> [W]}
      |     std::istream {aka std::basic_istream<char>}
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:22:15: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'std::string*' {aka 'std::__cxx11::basic_string<char>*'}
   22 |     cin >> S[H];
      |            ~~~^
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'short int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(short int)((std::string*)(& S[H]))' to 'short int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'short unsigned int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(short unsigned int)((std::string*)(& S[H]))' to 'short unsigned int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(int)((std::string*)(& S[H]))' to 'int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'unsigned int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(unsigned int)((std::string*)(& S[H]))' to 'unsigned int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(long int)((std::string*)(& S[H]))' to 'long int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long unsigned int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(long unsigned int)((std::string*)(& S[H]))' to 'long unsigned int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long long int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(long long int)((std::string*)(& S[H]))' to 'long long int&'
/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:22:15: error: invalid conversion from 'std::string*' {aka 'std::__cxx11::basic_string<char>*'} to 'long long unsigned int' [-fpermissive]
   22 |     cin >> S[H];
      |            ~~~^
      |               |
      |               std::string* {aka std::__cxx11::basic_string<char>*}
a.cc:22:15: error: cannot bind rvalue '(long long unsigned int)((std::string*)(& S[H]))' to 'long long unsigned int&'
/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:22:15: error: cannot bind non-const lvalue reference of type 'void*&' to an rvalue of type 'void*'
   22 |     cin >> S[H];
      |            ~~~^
/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>]'
  219 |       operator>>(float& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:219:25: note:   no known conversion for argument 1 from 'std::string [W]' {aka 'std::__cxx11::basic_string<char> [W]'} to 'float&'
  219 |       operator>>(float& __f)
      |                  ~~~~~~~^~~
/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>]'
  223 |       operator>>(double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:223:26: note:   no known conversion for argument 1 from 'std::string [W]' {aka 'std::__cxx11::basic_string<char> [W]'} to 'double&'
  223 |       operator>>(double& __f)
      |                  ~~~~~~~~^~~
/usr/include/c++/14/istream:227:7: note: candidate: 'std::basic_istream<_CharT, _Traits>::__istream_type& std::basic_istream<_CharT, _Traits>::operator>>(long double&)