Language: C++

#include <bits/stdc++.h>
#include <stdio.h>
#include <math.h>
using namespace std;
using vi = vector<int>;
using vll = vector<long long int>;
using vb = vector<bool>;
using vvi = vector<vector<int>>;
using vvll = vector<vector<long long int>>;
using ll = long long int;

int main(){
    ll N, A, B, C; cin >> N >> A >> B >> C;
    vector<string> s(N);
    vll a=0, b=0, c=0;
    for(int i=0; i<N; i++){
        cin >> s[i];
        if(s[i] == "AB"){a++;b++;}
        else if(s[i] == "AC"){a++;c++;}
        else{b++;c++;}
    }
    if(2*N-1*(a-A)-1*(b-B) > c-C){
        cout << "Yes";
        ll p = 0, q=0, r=0;
        for(int i=0; i<N; i++){
            if(s[i] == "AB"){
                if(2*p >= a- A){
                    cout << 'A' << endl;
                    p++;
                }else{
                    cout << 'B' << endl;
                    q+;;
                }
            }
            else if(s[i] == "AC"){
                if(2*p >= a- A){
                    out << 'A' << endl;
                    p++;
                }else{
                    cout << 'C' << endl;
                    r++;
                }
            }
            else{
                if(2*q >= b-B){
                    cout << 'B' << endl;
                    q++;
                }else{
                    cout << 'C' << endl;
                    r++;
                }
            }
        }
    }
    else{
        cout << "No";
    }
}

Compiler output:
a.cc: In function 'int main()':
a.cc:15:11: error: conversion from 'int' to non-scalar type 'vll' {aka 'std::vector<long long int>'} requested
   15 |     vll a=0, b=0, c=0;
      |           ^
a.cc:15:16: error: conversion from 'int' to non-scalar type 'vll' {aka 'std::vector<long long int>'} requested
   15 |     vll a=0, b=0, c=0;
      |                ^
a.cc:15:21: error: conversion from 'int' to non-scalar type 'vll' {aka 'std::vector<long long int>'} requested
   15 |     vll a=0, b=0, c=0;
      |                     ^
a.cc:18:27: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   18 |         if(s[i] == "AB"){a++;b++;}
      |                          ~^~
a.cc:18:31: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   18 |         if(s[i] == "AB"){a++;b++;}
      |                              ~^~
a.cc:19:32: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   19 |         else if(s[i] == "AC"){a++;c++;}
      |                               ~^~
a.cc:19:36: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   19 |         else if(s[i] == "AC"){a++;c++;}
      |                                   ~^~
a.cc:20:15: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   20 |         else{b++;c++;}
      |              ~^~
a.cc:20:19: error: no 'operator++(int)' declared for postfix '++' [-fpermissive]
   20 |         else{b++;c++;}
      |                  ~^~
a.cc:22:16: error: no match for 'operator-' (operand types are 'vll' {aka 'std::vector<long long int>'} and 'll' {aka 'long long int'})
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |               ~^~
      |               | |
      |               | ll {aka long long int}
      |               vll {aka std::vector<long long int>}
In file included from /usr/include/c++/14/bits/stl_algobase.h:67,
                 from /usr/include/c++/14/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/bits/stl_iterator.h:618:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__y.base() - __x.base())) std::operator-(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  618 |     operator-(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:618:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr decltype ((__x.base() - __y.base())) std::operator-(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1790 |     operator-(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1790:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
In file included from /usr/include/c++/14/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:127:
/usr/include/c++/14/complex:370:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const complex<_Tp>&)'
  370 |     operator-(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:370:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::complex<_Tp>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/complex:379:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&, const _Tp&)'
  379 |     operator-(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:379:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::complex<_Tp>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/complex:388:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const _Tp&, const complex<_Tp>&)'
  388 |     operator-(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/complex:388:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   mismatched types 'const std::complex<_Tp>' and 'll' {aka 'long long int'}
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/complex:465:5: note: candidate: 'template<class _Tp> std::complex<_Tp> std::operator-(const complex<_Tp>&)'
  465 |     operator-(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/14/complex:465:5: note:   candidate expects 1 argument, 2 provided
In file included from /usr/include/c++/14/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'}
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/bits/valarray_after.h:406:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__minus, typename _Dom1::value_type>::result_type> std::operator-(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  406 |     _DEFINE_EXPR_BINARY_OPERATOR(-, struct std::__minus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/bits/valarray_after.h:406:5: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   mismatched types 'const std::_Expr<_Dom1, typename _Dom1::value_type>' and 'll' {aka 'long long int'}
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const valarray<_Tp>&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/14/valarray:1197:1: note:   template argument deduction/substitution failed:
a.cc:22:17: note:   'vll' {aka 'std::vector<long long int>'} is not derived from 'const std::valarray<_Tp>'
   22 |     if(2*N-1*(a-A)-1*(b-B) > c-C){
      |                 ^
/usr/include/c++/14/valarray:1197:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__minus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__minus, _Tp>::result_type> std::operator-(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1197 | _DEFINE_BINARY_OPERATOR(-, __minus)