Language: C++

#include <stdio.h>
#include <vector>

int main() {
  vector<bool> S(13);
  vector<bool> H(13);
  vector<bool> C(13);
  vector<bool> D(13);

  int i;
  for(i = 0; i < 13; i++) {
    S[i] = false;
    H[i] = false;
    C[i] = false;
    D[i] = false;
  }

  int n;
  scanf("%d", &n);

  char t;
  int r;

  for(i = 0; i < n; i++) {
    scanf("%c %d", &t, &r);
    if(t == 'S') S[r - 1] = true;
    else if(t == 'H') H[r - 1] = true;
    else if(t == 'C') C[r - 1] = true;
    else if(t == 'D') D[r - 1] = true;
  }

  for(i = 0; i < 13; i++) {
    if(!S[i]) printf("S %d\n", i + 1);
  }
  for(i = 0; i < 13; i++) {
    if(!H[i]) printf("H %d\n", i + 1);
  }
  for(i = 0; i < 13; i++) {
    if(!C[i]) printf("C %d\n", i + 1);
  }
  for(i = 0; i < 13; i++) {
    if(!D[i]) printf("D %d\n", i + 1);
  }
  return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:5:3: error: 'vector' was not declared in this scope
    5 |   vector<bool> S(13);
      |   ^~~~~~
a.cc:5:3: note: suggested alternatives:
In file included from /usr/include/c++/14/vector:66,
                 from a.cc:2:
/usr/include/c++/14/bits/stl_vector.h:428:11: note:   'std::vector'
  428 |     class vector : protected _Vector_base<_Tp, _Alloc>
      |           ^~~~~~
/usr/include/c++/14/vector:93:13: note:   'std::pmr::vector'
   93 |       using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
      |             ^~~~~~
a.cc:5:10: error: expected primary-expression before 'bool'
    5 |   vector<bool> S(13);
      |          ^~~~
a.cc:6:10: error: expected primary-expression before 'bool'
    6 |   vector<bool> H(13);
      |          ^~~~
a.cc:7:10: error: expected primary-expression before 'bool'
    7 |   vector<bool> C(13);
      |          ^~~~
a.cc:8:10: error: expected primary-expression before 'bool'
    8 |   vector<bool> D(13);
      |          ^~~~
a.cc:12:5: error: 'S' was not declared in this scope
   12 |     S[i] = false;
      |     ^
a.cc:13:5: error: 'H' was not declared in this scope
   13 |     H[i] = false;
      |     ^
a.cc:14:5: error: 'C' was not declared in this scope
   14 |     C[i] = false;
      |     ^
a.cc:15:5: error: 'D' was not declared in this scope
   15 |     D[i] = false;
      |     ^
a.cc:26:18: error: 'S' was not declared in this scope
   26 |     if(t == 'S') S[r - 1] = true;
      |                  ^
a.cc:27:23: error: 'H' was not declared in this scope
   27 |     else if(t == 'H') H[r - 1] = true;
      |                       ^
a.cc:28:23: error: 'C' was not declared in this scope
   28 |     else if(t == 'C') C[r - 1] = true;
      |                       ^
a.cc:29:23: error: 'D' was not declared in this scope
   29 |     else if(t == 'D') D[r - 1] = true;
      |                       ^
a.cc:33:9: error: 'S' was not declared in this scope
   33 |     if(!S[i]) printf("S %d\n", i + 1);
      |         ^
a.cc:36:9: error: 'H' was not declared in this scope
   36 |     if(!H[i]) printf("H %d\n", i + 1);
      |         ^
a.cc:39:9: error: 'C' was not declared in this scope
   39 |     if(!C[i]) printf("C %d\n", i + 1);
      |         ^
a.cc:42:9: error: 'D' was not declared in this scope
   42 |     if(!D[i]) printf("D %d\n", i + 1);
      |         ^