Language: C++

#include <iostream>
#include <string>
using namespace std;
int main(){
char s[100];
int i,N,first=0 ,sec=0 
,third=0, fourth=0;
cin>>N;
for(i=0; i<N ; i++){
cin>>s[i]; 
switch(s[i]){
case ‘A’: first++; break;
case ‘T’:  sec++; break;
case ‘W’: third++; break;
case ‘R’ : fourth++; break;
}}
for (i=0; i<N ; i++){
switch(s[i]){

case ‘A’: cout<< “AC x “<< first<<endl   ; break;
case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
case ‘W’: cout<< “WA x “<< third<<endl   ; break;
case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
}}


return 0;}

Compiler output:
a.cc:12:6: error: extended character ‘ is not valid in an identifier
   12 | case ‘A’: first++; break;
      |      ^
a.cc:12:6: error: extended character ’ is not valid in an identifier
a.cc:13:6: error: extended character ‘ is not valid in an identifier
   13 | case ‘T’:  sec++; break;
      |      ^
a.cc:13:6: error: extended character ’ is not valid in an identifier
a.cc:14:6: error: extended character ‘ is not valid in an identifier
   14 | case ‘W’: third++; break;
      |      ^
a.cc:14:6: error: extended character ’ is not valid in an identifier
a.cc:15:6: error: extended character ‘ is not valid in an identifier
   15 | case ‘R’ : fourth++; break;
      |      ^
a.cc:15:6: error: extended character ’ is not valid in an identifier
a.cc:20:6: error: extended character ‘ is not valid in an identifier
   20 | case ‘A’: cout<< “AC x “<< first<<endl   ; break;
      |      ^
a.cc:20:6: error: extended character ’ is not valid in an identifier
a.cc:20:18: error: extended character “ is not valid in an identifier
   20 | case ‘A’: cout<< “AC x “<< first<<endl   ; break;
      |                  ^
a.cc:20:24: error: extended character “ is not valid in an identifier
   20 | case ‘A’: cout<< “AC x “<< first<<endl   ; break;
      |                        ^
a.cc:21:6: error: extended character ‘ is not valid in an identifier
   21 | case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
      |      ^
a.cc:21:6: error: extended character ’ is not valid in an identifier
a.cc:21:18: error: extended character “ is not valid in an identifier
   21 | case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
      |                  ^
a.cc:21:25: error: extended character “ is not valid in an identifier
   21 | case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
      |                         ^
a.cc:22:6: error: extended character ‘ is not valid in an identifier
   22 | case ‘W’: cout<< “WA x “<< third<<endl   ; break;
      |      ^
a.cc:22:6: error: extended character ’ is not valid in an identifier
a.cc:22:18: error: extended character “ is not valid in an identifier
   22 | case ‘W’: cout<< “WA x “<< third<<endl   ; break;
      |                  ^
a.cc:22:24: error: extended character “ is not valid in an identifier
   22 | case ‘W’: cout<< “WA x “<< third<<endl   ; break;
      |                        ^
a.cc:23:6: error: extended character ‘ is not valid in an identifier
   23 | case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
      |      ^
a.cc:23:6: error: extended character ’ is not valid in an identifier
a.cc:23:18: error: extended character “ is not valid in an identifier
   23 | case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
      |                  ^
a.cc:23:24: error: extended character “ is not valid in an identifier
   23 | case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
      |                        ^
a.cc: In function 'int main()':
a.cc:12:6: error: '\U00002018A\U00002019' was not declared in this scope
   12 | case ‘A’: first++; break;
      |      ^~~
a.cc:13:6: error: '\U00002018T\U00002019' was not declared in this scope
   13 | case ‘T’:  sec++; break;
      |      ^~~
a.cc:14:6: error: '\U00002018W\U00002019' was not declared in this scope
   14 | case ‘W’: third++; break;
      |      ^~~
a.cc:15:6: error: '\U00002018R\U00002019' was not declared in this scope
   15 | case ‘R’ : fourth++; break;
      |      ^~~
a.cc:20:6: error: '\U00002018A\U00002019' was not declared in this scope
   20 | case ‘A’: cout<< “AC x “<< first<<endl   ; break;
      |      ^~~
a.cc:20:18: error: '\U0000201cAC' was not declared in this scope
   20 | case ‘A’: cout<< “AC x “<< first<<endl   ; break;
      |                  ^~~
a.cc:21:6: error: '\U00002018T\U00002019' was not declared in this scope
   21 | case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
      |      ^~~
a.cc:21:18: error: '\U0000201cTLE' was not declared in this scope
   21 | case ‘T’: cout<< “TLE x “<< sec<<endl   ; break;
      |                  ^~~~
a.cc:22:6: error: '\U00002018W\U00002019' was not declared in this scope
   22 | case ‘W’: cout<< “WA x “<< third<<endl   ; break;
      |      ^~~
a.cc:22:18: error: '\U0000201cWA' was not declared in this scope
   22 | case ‘W’: cout<< “WA x “<< third<<endl   ; break;
      |                  ^~~
a.cc:23:6: error: '\U00002018R\U00002019' was not declared in this scope
   23 | case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
      |      ^~~
a.cc:23:18: error: '\U0000201cRE' was not declared in this scope
   23 | case ‘R’: cout<< “RE x “<< fourth<<endl   ; break;
      |                  ^~~