Language: C++

#include<iostream>
using namespace std;

struct Card{ char suit, value;};

void bubbleSort(struct Card A[], int N){
  for (int i=0;i<N;i++){
    for (int j =N-1; j>=i+1;j--){?\
      if(A[j].value < A[j-1].value){
        Card t =A[j];A[j] = A[j-1];A[j-1] =t;
      }
    }
  }
}

void selectionSort(struct Card A[],int N){
  for (int i = 0; i<N;i++){
    int minj=i;
    for (int j = i; j<N;j++){
      if(A[j].value < A[minj].value){
        minj = j;
      }
    }
     Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
    
  }
}

void print(struct Card A[], int N){
  for (int i=0;i<N;i++){
    if(i>0)cout << " ";
    cout << A[i].suit << A[i].value;
  }
  cout << endl;
}

bool isStable(struct Card C1[], struct Card C2[],int N){
  for (int i =0; i<N; i++){
    if(C1[i].suit != C2[i].suit)return false;
  }
  return true;
}

int main(){
  Card C1[100],C2[100];
  int N;
  char ch;

  cin >>N;
  for(int i=0; i<N;i++){
    cin >> C1[i].suit >> C1[i].value;
  }

  for(int i=0;i<N;i++)C2[i]= C1[i];

  bubbleSort(C1,N);
  selectionSort(C2,N);

  print(C1,N);
  cout<< "Stable" << endl;
  print(C2,N);
  if (isStable(C1,C2,N)){
    cout << "Stable"<<endl;
  }
  else{
    cout << "Not Stable" << endl;
  }

  return 0;
}

Compiler output:
a.cc:24:42: error: stray '\' in program
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                          ^
a.cc:24:44: error: extended character § is not valid in an identifier
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                            ^
a.cc:24:46: error: stray '\' in program
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                              ^
a.cc:24:48: error: extended character § is not valid in an identifier
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                                ^
a.cc: In function 'void bubbleSort(Card*, int)':
a.cc:8:34: error: expected primary-expression before '?' token
    8 |     for (int j =N-1; j>=i+1;j--){?\
    9 |       if(A[j].value < A[j-1].value){
a.cc:9:7: error: expected primary-expression before 'if'
    9 |       if(A[j].value < A[j-1].value){
      |       ^~
a.cc:9:1: error: expected ':' before 'if'
    9 |       if(A[j].value < A[j-1].value){
      | ^     ~~
      | :
a.cc:9:7: error: expected primary-expression before 'if'
    9 |       if(A[j].value < A[j-1].value){
      |       ^~
a.cc: In function 'void selectionSort(Card*, int)':
a.cc:24:41: error: expected primary-expression before '?' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                         ^
a.cc:24:43: error: expected primary-expression before '?' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                           ^
a.cc:24:44: error: '\U000000a7' was not declared in this scope
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                            ^
a.cc:24:47: error: expected primary-expression before '?' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                               ^
a.cc:24:49: error: expected ':' before '}' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                                 ^
      |                                                 :
   25 | 
   26 |   }
      |   ~                                              
a.cc:26:3: error: expected primary-expression before '}' token
   26 |   }
      |   ^
a.cc:24:49: error: expected ':' before '}' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                                 ^
      |                                                 :
   25 | 
   26 |   }
      |   ~                                              
a.cc:26:3: error: expected primary-expression before '}' token
   26 |   }
      |   ^
a.cc:24:49: error: expected ':' before '}' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                                 ^
      |                                                 :
   25 | 
   26 |   }
      |   ~                                              
a.cc:26:3: error: expected primary-expression before '}' token
   26 |   }
      |   ^
a.cc:24:49: error: expected ':' before '}' token
   24 |      Card t=A[i];A[i]=A[minj];A[minj]=t;?\?§?\?§
      |                                                 ^
      |                                                 :
   25 | 
   26 |   }
      |   ~                                              
a.cc:26:3: error: expected primary-expression before '}' token
   26 |   }
      |   ^