Language: C++

#include <stdio.h>
#include <iostream>
 
using namespace std;
 
int main() {
 
    int a[5];
    int kari;
    char d;
     
    while (cin >> a[0] >> d >> a[1] >> d >> a[2] >> d >> a[3] >> d >> a[4]) {
        for (int i = 4; i > 0; i--) {
            for (int j = 0; j < i; j++) {
                if (a[j] > a[j+1]) {
                    kari = a[j];
                    a[j] = a[j+1];
                    a[j+1] = kari;
                }
            }
        }
        if (a[0] == a[1] || a[1] == a[2] || a[2] == a[3] || a[3] == a[4]) {
            if ((a[0] == a[1] && a[1] == a[2]) || (a[1] == a[2] && a[2] == a[3]) || (a[2] == a[3] && a[3] == a[4])) {
                if (((a[0] == a[1] && a[1] == a[2]) && (a[3] == a[4])) || ((a[0] == a[1]) && (a[2] == a[3] && a[3] == a[4]))) {
                    cout << "full house" << endl;
                } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
                    cout << "four card" << endl;
                }else {
                    cout << "three card" << endl;
                }
            } else if ((a[0] == a[1] && a[2] == a[3]) || (a[0] == a[1] && a[3] == a[4]) || (a[1] == a[2] && a[3] == a[4])) {
                if ((a[0] == a[1] && a[1] == a[2] && a[2] == a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])) {
                    cout << "four card" << endl;
                } else {
                    cout << "two pair" << endl;
                }
            } else {
                cout << "one pair" << endl;
            }
        } else if ((a[1] == a[0] + 1 && a[2] == a[1] + 1 && a[3] == a[2] + 1 && a[4] == a[3] + 1) || (a[0]  == 1 && a[1] == 10 && a[2] == a[1] + 1 && a[3] == a[2] + 1 && a[4] == a[3] + 1)){
            cout << "straight" << endl;
        } else {
            cout << "null" << endl;
        }
    }
    return 0;
}

Compiler output:
a.cc: In function 'int main()':
a.cc:26:62: error: expected identifier before numeric constant
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                              ^
a.cc: In lambda function:
a.cc:26:64: error: expected '{' before '==' token
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                ^~
a.cc: In function 'int main()':
a.cc:26:64: error: no match for 'operator==' (operand types are 'main()::<lambda()>' and 'int')
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                             ~~~^~~~~~
      |                                                             |       |
      |                                                             |       int
      |                                                             main()::<lambda()>
In file included from /usr/include/c++/14/iosfwd:42,
                 from /usr/include/c++/14/ios:40,
                 from /usr/include/c++/14/ostream:40,
                 from /usr/include/c++/14/iostream:41,
                 from a.cc:2:
/usr/include/c++/14/bits/postypes.h:192:5: note: candidate: 'template<class _StateT> bool std::operator==(const fpos<_StateT>&, const fpos<_StateT>&)'
  192 |     operator==(const fpos<_StateT>& __lhs, const fpos<_StateT>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/14/bits/postypes.h:192:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::fpos<_StateT>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
In file included from /usr/include/c++/14/string:43,
                 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:
/usr/include/c++/14/bits/allocator.h:235:5: note: candidate: 'template<class _T1, class _T2> bool std::operator==(const allocator<_CharT>&, const allocator<_T2>&)'
  235 |     operator==(const allocator<_T1>&, const allocator<_T2>&)
      |     ^~~~~~~~
/usr/include/c++/14/bits/allocator.h:235:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::allocator<_CharT>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
In file included from /usr/include/c++/14/string:48:
/usr/include/c++/14/bits/stl_iterator.h:441:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  441 |     operator==(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:441:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::reverse_iterator<_Iterator>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/bits/stl_iterator.h:486:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  486 |     operator==(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:486:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::reverse_iterator<_Iterator>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1667 |     operator==(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1667:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::move_iterator<_IteratorL>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator==(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1737 |     operator==(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1737:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::move_iterator<_IteratorL>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
In file included from /usr/include/c++/14/bits/stl_algobase.h:64,
                 from /usr/include/c++/14/string:51:
/usr/include/c++/14/bits/stl_pair.h:1033:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator==(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1033 |     operator==(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1033:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::pair<_T1, _T2>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
In file included from /usr/include/c++/14/bits/basic_string.h:47,
                 from /usr/include/c++/14/string:54:
/usr/include/c++/14/string_view:629:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  629 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:629:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/string_view:637:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  637 |     operator==(basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:637:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/string_view:644:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator==(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  644 |     operator==(__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:644:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'int'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/bits/basic_string.h:3755:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3755 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3755:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] == a[2] && a[2] == a[3] && a[3] == a[4])){
      |                                                                     ^
/usr/include/c++/14/bits/basic_string.h:3772:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator==(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3772 |     operator==(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3772:5: note:   template argument deduction/substitution failed:
a.cc:26:69: note:   'main()::<lambda()>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   26 |                 } else if ((a[0] == a[1] && a[1] == a[2] && [2]==a[3]) || (a[1] =