Language: C++

#include <iostream>
#include <sstream>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <map>
#include <stdio.h>

using namespace std;

//typedefリスト
typedef vector<int> vint;
typedef vector<string> vstr;


int main(void) {
	long long int X, Y, Z,K,ans,a,b,c,mi;
	a = 0;
	b = 0;
	c = 0;
	cin >> X >> Y >> Z >> K;
	vint A(X), B(Y), C(Z);
	for (int i = 0; i < X; i++)cin >> A[i];
	for (int i = 0; i < Y; i++)cin >> B[i];
	for (int i = 0; i < Z; i++)cin >> C[i];
	sort(A.begin(), A.end(), greater<int>());
	sort(B.begin(), B.end(), greater<int>());
	sort(C.begin(), C.end(), greater<int>());

	for (int i = 0; i < K; i++) {
		ans = A[a] + B[b] + C[c];
		cout << ans << endl;
		if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
		else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
		else if (a < X&&c < Z)mi = min(A[a] - A[a + 1], C[c] - C[c + 1]);
		else if (a < X&&b < Y)mi = min(A[a] - A[a + 1], B[b] - B[b + 1]);
		else if (a < X)mi = A[a] - A[a + 1];
		else if (B < Y)mi = B[b] - B[b + 1];
		else if (C < Z)mi = C[c] - C[c + 1];
		

		if (mi == A[a] - A[a + 1])a++;
		else if (mi == B[b] - B[b + 1])b++;
		else if (mi == C[c] - C[c + 1])c++;

	}
}

Compiler output:
a.cc: In function 'int main()':
a.cc:34:80: error: expected ',' before '+' token
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
      |                                                                                ^~
      |                                                                                ,
a.cc:34:81: error: expected identifier before '+' token
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
      |                                                                                 ^
a.cc: In lambda function:
a.cc:34:85: error: expected '{' before ')' token
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
      |                                                                                     ^
a.cc: In function 'int main()':
a.cc:34:76: error: no match for 'operator-' (operand types are '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'} and 'main()::<lambda()>')
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
In file included from /usr/include/c++/14/string:48,
                 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/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:34:85: note:   mismatched types 'const std::reverse_iterator<_Iterator>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
      |                                                                                     ^
/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:34:85: note:   mismatched types 'const std::move_iterator<_IteratorL>' and '__gnu_cxx::__alloc_traits<std::allocator<int>, int>::value_type' {aka 'int'}
   34 |                 if (a < X&&b < Y&&c < Z)mi = min(min(A[a] - A[a + 1], B[b] - [b + 1]), C[c] - C[c + 1]);
      |                                                                                     ^
a.cc:35:35: error: no match for 'operator<' (operand types are 'vint' {aka 'std::vector<int>'} and 'long long int')
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                 ~ ^ ~
      |                                 |   |
      |                                 |   long long int
      |                                 vint {aka std::vector<int>}
/usr/include/c++/14/bits/stl_iterator.h:448:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_Iterator>&)'
  448 |     operator<(const reverse_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:448:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/bits/stl_iterator.h:493:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const reverse_iterator<_Iterator>&, const reverse_iterator<_IteratorR>&)'
  493 |     operator<(const reverse_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:493:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::reverse_iterator<_Iterator>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note: candidate: 'template<class _IteratorL, class _IteratorR> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorR>&)'
 1694 |     operator<(const move_iterator<_IteratorL>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1694:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note: candidate: 'template<class _Iterator> constexpr bool std::operator<(const move_iterator<_IteratorL>&, const move_iterator<_IteratorL>&)'
 1760 |     operator<(const move_iterator<_Iterator>& __x,
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_iterator.h:1760:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::move_iterator<_IteratorL>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
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:1045:5: note: candidate: 'template<class _T1, class _T2> constexpr bool std::operator<(const pair<_T1, _T2>&, const pair<_T1, _T2>&)'
 1045 |     operator<(const pair<_T1, _T2>& __x, const pair<_T1, _T2>& __y)
      |     ^~~~~~~~
/usr/include/c++/14/bits/stl_pair.h:1045:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::pair<_T1, _T2>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
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:673:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, basic_string_view<_CharT, _Traits>)'
  673 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:673:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/string_view:680:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(basic_string_view<_CharT, _Traits>, __type_identity_t<basic_string_view<_CharT, _Traits> >)'
  680 |     operator< (basic_string_view<_CharT, _Traits> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:680:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'std::vector<int>' is not derived from 'std::basic_string_view<_CharT, _Traits>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/string_view:688:5: note: candidate: 'template<class _CharT, class _Traits> constexpr bool std::operator<(__type_identity_t<basic_string_view<_CharT, _Traits> >, basic_string_view<_CharT, _Traits>)'
  688 |     operator< (__type_identity_t<basic_string_view<_CharT, _Traits>> __x,
      |     ^~~~~~~~
/usr/include/c++/14/string_view:688:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   mismatched types 'std::basic_string_view<_CharT, _Traits>' and 'long long int'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/bits/basic_string.h:3874:5: 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>&)'
 3874 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3874:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |                 else if (b < Y&&C < Z)mi = min(B[b] - B[b + 1], C[c] - C[c + 1]);
      |                                     ^
/usr/include/c++/14/bits/basic_string.h:3888:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> bool std::operator<(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3888 |     operator<(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/14/bits/basic_string.h:3888:5: note:   template argument deduction/substitution failed:
a.cc:35:37: note:   'vint' {aka 'std::vector<int>'} is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |                 else if (b < Y&&C < Z)mi = min(B