Language: C++

#include <bits/stdc++.h>
#include<iostream>
#include<cmath>
#include<algorithm>
using namespace std;
int main(){
  vector <string> s;
  for (int i=0; i<N; i++) cin>>s[i];
  for (int i=0; i<N; i++) sort(s[i].begin(),s[i].end());
  long counter=0;
  for( int i=0; i<N; i++){
for( int j=i;j<N;j++){
  
  
  do{ if (s[i]==s[j]) counter++;
    }next_permutation(s[j].begin(),s[j],end())
}}
}
    
    
    
    

Compiler output:
a.cc: In function 'int main()':
a.cc:8:19: error: 'N' was not declared in this scope
    8 |   for (int i=0; i<N; i++) cin>>s[i];
      |                   ^
a.cc:9:19: error: 'N' was not declared in this scope
    9 |   for (int i=0; i<N; i++) sort(s[i].begin(),s[i].end());
      |                   ^
a.cc:11:19: error: 'N' was not declared in this scope
   11 |   for( int i=0; i<N; i++){
      |                   ^
a.cc:16:6: error: expected 'while' before 'next_permutation'
   16 |     }next_permutation(s[j].begin(),s[j],end())
      |      ^~~~~~~~~~~~~~~~
a.cc:16:6: error: expected '(' before 'next_permutation'
   16 |     }next_permutation(s[j].begin(),s[j],end())
      |      ^~~~~~~~~~~~~~~~
      |      (
a.cc:16:44: error: no matching function for call to 'end()'
   16 |     }next_permutation(s[j].begin(),s[j],end())
      |                                         ~~~^~
In file included from /usr/include/c++/14/bits/algorithmfwd.h:39,
                 from /usr/include/c++/14/bits/stl_algo.h:59,
                 from /usr/include/c++/14/algorithm:61,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:51,
                 from a.cc:1:
/usr/include/c++/14/initializer_list:99:5: note: candidate: 'template<class _Tp> constexpr const _Tp* std::end(initializer_list<_Tp>)'
   99 |     end(initializer_list<_Tp> __ils) noexcept
      |     ^~~
/usr/include/c++/14/initializer_list:99:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:52:
/usr/include/c++/14/bits/range_access.h:74:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(_Container&)'
   74 |     end(_Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:74:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:85:5: note: candidate: 'template<class _Container> constexpr decltype (__cont.end()) std::end(const _Container&)'
   85 |     end(const _Container& __cont) -> decltype(__cont.end())
      |     ^~~
/usr/include/c++/14/bits/range_access.h:85:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/bits/range_access.h:106:5: note: candidate: 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::end(_Tp (&)[_Nm])'
  106 |     end(_Tp (&__arr)[_Nm]) noexcept
      |     ^~~
/usr/include/c++/14/bits/range_access.h:106:5: note:   candidate expects 1 argument, 0 provided
In file included from /usr/include/x86_64-linux-gnu/c++/14/bits/stdc++.h:166:
/usr/include/c++/14/valarray:1249:5: note: candidate: 'template<class _Tp> _Tp* std::end(valarray<_Tp>&)'
 1249 |     end(valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1249:5: note:   candidate expects 1 argument, 0 provided
/usr/include/c++/14/valarray:1265:5: note: candidate: 'template<class _Tp> const _Tp* std::end(const valarray<_Tp>&)'
 1265 |     end(const valarray<_Tp>& __va) noexcept
      |     ^~~
/usr/include/c++/14/valarray:1265:5: note:   candidate expects 1 argument, 0 provided
a.cc:16:47: error: expected ')' before '}' token
   16 |     }next_permutation(s[j].begin(),s[j],end())
      |      ~~~~~~~~~~~~~~~~                         ^
      |                                               )
   17 | }}
      | ~                                              
a.cc:16:47: error: expected ';' before '}' token
   16 |     }next_permutation(s[j].begin(),s[j],end())
      |                                               ^
      |                                               ;
   17 | }}
      | ~