Language: C++

#include <iostream>

using namespace std;

int  rank_by_mark(char c);
char mark_by_rank(int i);

int main()
{  
    int  n;
    char mark;
    int  rank;
    int  cards[4][13];
       
    for (int i = 0; i < 4; i++) {
         for (int j = 0; j < 13; j++) {
	      cards[i][j] = 0;
         }
    }      
     
    do {
        cin >> n;        
    } while (n > 52);
      
    for (int i = 0; i < n; i++) {   
         cin >> " " >> mark >> rank;                                         
         cards[rank_by_mark(mark)][rank - 1] = 1;
    }
        
    for (int i = 0; i < 4; i++) {
         for (int j = 0; j < 13; j++) {
	      if (cards[i][j] == 0) {
                  cout << mark_by_rank(i) << " " << j + i << endl;
              }
         }
    }
    
    return (0);
}

int rank_by_mark(char c)
{
    if (c == 'S') {
        return (0);
    } else if (c == 'H') {
        return (1);
    } else if (c == 'C') {
        return (2);
    } else if (c == 'D') {
        return (3);
    } 
}

char mark_by_rank(int i)
{
     if (i == 0) {
         return ('S');
     } else if (i == 1) {
         return ('H');
     } else if (i == 2) {
         return ('C');
     } else if (i == 3) {
         return ('D');
     } 
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:14: error: no match for 'operator>>' (operand types are 'std::istream' {aka 'std::basic_istream<char>'} and 'const char [2]')
   26 |          cin >> " " >> mark >> rank;
      |          ~~~ ^~ ~~~
      |          |      |
      |          |      const char [2]
      |          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:26:17: error: cannot bind non-const lvalue reference of type 'bool&' to a value of type 'const char*'
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
/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:26:17: error: invalid conversion from 'const char*' to 'short int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(short int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'short unsigned int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(short unsigned int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'unsigned int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(unsigned int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'long int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(long int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'long unsigned int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(long unsigned int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'long long int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(long long int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const char*' to 'long long unsigned int' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const char*
a.cc:26:17: error: cannot bind rvalue '(long long unsigned int)((const char*)" ")' 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:26:17: error: invalid conversion from 'const void*' to 'void*' [-fpermissive]
   26 |          cin >> " " >> mark >> rank;
      |                 ^~~
      |                 |
      |                 const void*
a.cc:26:17: error: cannot bind rvalue '(void*)((const void*)((const char*)" "))' to 'void*&'
/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 'const char [2]' 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 'const char [2]' 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&) [with _CharT = char; _Traits = std::char_traits<char>; __istream_type = std::basic_istream<char>]'
  227 |       operator>>(long double& __f)
      |       ^~~~~~~~
/usr/include/c++/14/istream:227:31: note:   no known conversion for argument 1 from 'const char [2]' to 'long double&'
  227 |       operator>>(long double& __f)
      |                  ~~~~~~~~~~~~~^~~
/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>]'
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |       ^~~~~~~~
/usr/include/c++/14/istream:122:36: note:   no known conversion for argument 1 from 'const char [2]' to 'std::basic_istream<char>::__istream_type& (*)(std::basic_istream<char>::__istream_type&)' {aka 'std::basic_istream<char>& (*)(std::basic_istream<char>&)'}
  122 |       operator>>(__istream_type& (*__pf)(__istream_type&))
      |                  ~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
/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;