Language: C++

#include<iostream>
#include<cstring>
#include<map>
using namespace std;
int main(){
  map<char,int>ll;
  map<int,char>sw;
  ll['S']=0,ll['H']=1,ll['C']=2,ll['D']=3;
  sw[0]='S',sw[1]='H',sw[2]='C',sw[3]='D';
 
  int n,a;
  char c;
  bool card[4][13];
  memset(card,false,sizeof(card));
 
  cin >> n;
  for(int i=0;i<n;i++){
    cin >> c >> a;
    card[ll[c]][a-1] = true;
  }
  for(int i=0;i<4;i++){
    for(int j=0;j<13;j++){
      if(!card[i][j]){
    cout << sw[i] << " " << j+1 << endl;
      }
    }
  }
}


Compiler output:
a.cc:6:1: error: extended character   is not valid in an identifier
    6 |   map<char,int>ll;
      | ^
a.cc:6:1: error: extended character   is not valid in an identifier
a.cc:7:1: error: extended character   is not valid in an identifier
    7 |   map<int,char>sw;
      | ^
a.cc:7:1: error: extended character   is not valid in an identifier
a.cc:8:1: error: extended character   is not valid in an identifier
    8 |   ll['S']=0,ll['H']=1,ll['C']=2,ll['D']=3;
      | ^
a.cc:8:1: error: extended character   is not valid in an identifier
a.cc:9:1: error: extended character   is not valid in an identifier
    9 |   sw[0]='S',sw[1]='H',sw[2]='C',sw[3]='D';
      | ^
a.cc:9:1: error: extended character   is not valid in an identifier
a.cc:10:1: error: extended character   is not valid in an identifier
   10 |  
      | ^
a.cc:11:1: error: extended character   is not valid in an identifier
   11 |   int n,a;
      | ^
a.cc:11:1: error: extended character   is not valid in an identifier
a.cc:12:1: error: extended character   is not valid in an identifier
   12 |   char c;
      | ^
a.cc:12:1: error: extended character   is not valid in an identifier
a.cc:13:1: error: extended character   is not valid in an identifier
   13 |   bool card[4][13];
      | ^
a.cc:13:1: error: extended character   is not valid in an identifier
a.cc:14:1: error: extended character   is not valid in an identifier
   14 |   memset(card,false,sizeof(card));
      | ^
a.cc:14:1: error: extended character   is not valid in an identifier
a.cc:15:1: error: extended character   is not valid in an identifier
   15 |  
      | ^
a.cc:16:1: error: extended character   is not valid in an identifier
   16 |   cin >> n;
      | ^
a.cc:16:1: error: extended character   is not valid in an identifier
a.cc:17:1: error: extended character   is not valid in an identifier
   17 |   for(int i=0;i<n;i++){
      | ^
a.cc:17:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
   18 |     cin >> c >> a;
      | ^
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:18:1: error: extended character   is not valid in an identifier
a.cc:19:1: error: extended character   is not valid in an identifier
   19 |     card[ll[c]][a-1] = true;
      | ^
a.cc:19:1: error: extended character   is not valid in an identifier
a.cc:19:1: error: extended character   is not valid in an identifier
a.cc:19:1: error: extended character   is not valid in an identifier
a.cc:20:1: error: extended character   is not valid in an identifier
   20 |   }
      | ^
a.cc:20:1: error: extended character   is not valid in an identifier
a.cc:21:1: error: extended character   is not valid in an identifier
   21 |   for(int i=0;i<4;i++){
      | ^
a.cc:21:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
   22 |     for(int j=0;j<13;j++){
      | ^
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:22:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
   23 |       if(!card[i][j]){
      | ^
a.cc:23:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
a.cc:23:1: error: extended character   is not valid in an identifier
a.cc:24:1: error: extended character   is not valid in an identifier
   24 |     cout << sw[i] << " " << j+1 << endl;
      | ^
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:24:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
   25 |       }
      | ^
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:25:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
   26 |     }
      | ^
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:26:1: error: extended character   is not valid in an identifier
a.cc:27:1: error: extended character   is not valid in an identifier
   27 |   }
      | ^
a.cc:27:1: error: extended character   is not valid in an identifier
a.cc: In function 'int main()':
a.cc:6:1: error: '\U000000a0\U000000a0map' was not declared in this scope
    6 |   map<char,int>ll;
      | ^~~~~
a.cc:6:7: error: expected primary-expression before 'char'
    6 |   map<char,int>ll;
      |       ^~~~
a.cc:7:7: error: expected primary-expression before 'int'
    7 |   map<int,char>sw;
      |       ^~~
a.cc:8:1: error: '\U000000a0\U000000a0ll' was not declared in this scope
    8 |   ll['S']=0,ll['H']=1,ll['C']=2,ll['D']=3;
      | ^~~~
a.cc:8:13: error: 'll' was not declared in this scope
    8 |   ll['S']=0,ll['H']=1,ll['C']=2,ll['D']=3;
      |             ^~
a.cc:9:1: error: '\U000000a0\U000000a0sw' was not declared in this scope
    9 |   sw[0]='S',sw[1]='H',sw[2]='C',sw[3]='D';
      | ^~~~
a.cc:9:13: error: 'sw' was not declared in this scope
    9 |   sw[0]='S',sw[1]='H',sw[2]='C',sw[3]='D';
      |             ^~
a.cc:10:1: error: '\U000000a0' was not declared in this scope
   10 |  
      | ^
a.cc:12:1: error: '\U000000a0\U000000a0char' was not declared in this scope
   12 |   char c;
      | ^~~~~~
a.cc:13:1: error: '\U000000a0\U000000a0bool' was not declared in this scope
   13 |   bool card[4][13];
      | ^~~~~~
a.cc:14:10: error: 'card' was not declared in this scope
   14 |   memset(card,false,sizeof(card));
      |          ^~~~
a.cc:14:1: error: '\U000000a0\U000000a0memset' was not declared in this scope; did you mean 'wmemset'?
   14 |   memset(card,false,sizeof(card));
      | ^~~~~~~~
      | wmemset
a.cc:15:2: error: expected ';' before '\U000000a0\U000000a0cin'
   15 |  
      |  ^
      |  ;
   16 |   cin >> n;
      | ~~~~~
a.cc:17:7: error: expected primary-expression before 'int'
   17 |   for(int i=0;i<n;i++){
      |       ^~~
a.cc:17:15: error: 'i' was not declared in this scope
   17 |   for(int i=0;i<n;i++){
      |               ^
a.cc:17:17: error: 'n' was not declared in this scope
   17 |   for(int i=0;i<n;i++){
      |                 ^
a.cc:21:7: error: expected primary-expression before 'int'
   21 |   for(int i=0;i<4;i++){
      |       ^~~