Language: C++

#include <iostream>
#include <string.h>
using namespace std;
 
struct data{
 
    char name[20];
    int win;
    int lose;
    int draw;
    int score;
 
};
 
int main(){
 
    int teamamo;
 
    while (true){
 
        cin >> teamamo;
 
        if (teamamo == 0)
            break;
 
        data teamdata[10];
         
 
        for (int i = 0; i<teamamo; i++)
            cin >> teamdata[i].name >> teamdata[i].win >> teamdata[i].lose >> teamdata[i].draw;
 
        for (int i = 0; i<teamamo; i++)
            teamdata[i].score = teamdata[i].win * 3 + teamdata[i].draw;
 
 
        for (int j = 0; j < teamamo - 1; j++){
            for (int i = 0; i < teamamo - 1; i++){
 
                if (teamdata[i].score < teamdata[i + 1].score){
 
                    data t = teamdata[i];
                    teamdata[i] = teamdata[i + 1];
                    teamdata[i + 1] = t;
 
                }
 
            }
 
 
        }
 
        for (int i = 0; i<teamamo; i++)
            cout << teamdata[i].name << "," << teamdata[i].score << endl<<endl;
　　　　　
         
　　　　　　　　
 
    }
 
    return 0;
 
}

Compiler output:
a.cc:54:1: error: extended character 　 is not valid in an identifier
   54 | 　　　　　
      | ^
a.cc:54:1: error: extended character 　 is not valid in an identifier
a.cc:54:1: error: extended character 　 is not valid in an identifier
a.cc:54:1: error: extended character 　 is not valid in an identifier
a.cc:54:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
   56 | 　　　　　　　　
      | ^
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc:56:1: error: extended character 　 is not valid in an identifier
a.cc: In function 'int main()':
a.cc:26:9: error: reference to 'data' is ambiguous
   26 |         data teamdata[10];
      |         ^~~~
In file included from /usr/include/c++/14/string:53,
                 from /usr/include/c++/14/bits/locale_classes.h:40,
                 from /usr/include/c++/14/bits/ios_base.h:41,
                 from /usr/include/c++/14/ios:44,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:1:
/usr/include/c++/14/bits/range_access.h:344:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)'
  344 |     data(initializer_list<_Tp> __il) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:334:5: note:                 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
  334 |     data(_Tp (&__array)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:323:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
  323 |     data(const _Container& __cont) noexcept(noexcept(__cont.data()))
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:312:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
  312 |     data(_Container& __cont) noexcept(noexcept(__cont.data()))
      |     ^~~~
a.cc:5:8: note:                 'struct data'
    5 | struct data{
      |        ^~~~
a.cc:30:20: error: 'teamdata' was not declared in this scope
   30 |             cin >> teamdata[i].name >> teamdata[i].win >> teamdata[i].lose >> teamdata[i].draw;
      |                    ^~~~~~~~
a.cc:33:13: error: 'teamdata' was not declared in this scope
   33 |             teamdata[i].score = teamdata[i].win * 3 + teamdata[i].draw;
      |             ^~~~~~~~
a.cc:39:21: error: 'teamdata' was not declared in this scope
   39 |                 if (teamdata[i].score < teamdata[i + 1].score){
      |                     ^~~~~~~~
a.cc:41:21: error: reference to 'data' is ambiguous
   41 |                     data t = teamdata[i];
      |                     ^~~~
/usr/include/c++/14/bits/range_access.h:344:5: note: candidates are: 'template<class _Tp> constexpr const _Tp* std::data(initializer_list<_Tp>)'
  344 |     data(initializer_list<_Tp> __il) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:334:5: note:                 'template<class _Tp, long unsigned int _Nm> constexpr _Tp* std::data(_Tp (&)[_Nm])'
  334 |     data(_Tp (&__array)[_Nm]) noexcept
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:323:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(const _Container&)'
  323 |     data(const _Container& __cont) noexcept(noexcept(__cont.data()))
      |     ^~~~
/usr/include/c++/14/bits/range_access.h:312:5: note:                 'template<class _Container> constexpr decltype (__cont.data()) std::data(_Container&)'
  312 |     data(_Container& __cont) noexcept(noexcept(__cont.data()))
      |     ^~~~
a.cc:5:8: note:                 'struct data'
    5 | struct data{
      |        ^~~~
a.cc:43:39: error: 't' was not declared in this scope
   43 |                     teamdata[i + 1] = t;
      |                                       ^
a.cc:53:21: error: 'teamdata' was not declared in this scope
   53 |             cout << teamdata[i].name << "," << teamdata[i].score << endl<<endl;
      |                     ^~~~~~~~
a.cc:54:1: error: '\U00003000\U00003000\U00003000\U00003000\U00003000' was not declared in this scope
   54 | 　　　　　
      | ^~~~~~~~~~