제출 #1351028

#제출 시각아이디문제언어결과실행 시간메모리
1351028bozho커다란 상품 (IOI17_prize)C++20
컴파일 에러
0 ms0 KiB
#include <bits/stdc++.h>
#include "prize.h"
#define endl '\n'
using namespace std;

const int MAX = (2e5) + 5;

array<int, 2> a[MAX][2];
bool d[MAX];

int find_best(int n)
{
    random_device rd;
    mt19937 rng(rd());
    uniform_int_distribution<int> dist(0, n - 1);
    int bx = 0, x = 0, id;
    for (int i = 0; i < 20; i++)
    {
        id = dist(rng);
        if (!d[id])
        {
            a[id] = ask(id);
            d[id] = 1;
            bx = max(bx, a[id][0] + a[id][1]);
        }
    }
    int ans = -1;
    for (int i = 0; i < n; i++)
    {
        if (!d[i])
        {
            a[i] = ask(i);
            d[i] = 1;
        }
        x = a[i][0] + a[i][1];
        if (x == bx)
        {
            int l = i, r = n, mid;
            while (r - l > 1)
            {
                mid = l + (r - l) / 2;
                if (!d[mid])
                {
                    a[mid] = ask(mid);
                    d[i] = 1;
                }
                if (a[i][0] == a[mid][0] && a[i][1] == a[mid][1])
                    l = mid;
                else
                    r = mid;
            }
            i = l;
        }
        else if (x == 0)
        {
            ans = i;
            break;
        }
    }
    return ans;
}

컴파일 시 표준 에러 (stderr) 메시지

prize.cpp: In function 'int find_best(int)':
prize.cpp:22:19: error: incompatible types in assignment of 'std::vector<int>' to 'std::array<int, 2> [2]'
   22 |             a[id] = ask(id);
      |             ~~~~~~^~~~~~~~~
prize.cpp:24:35: error: no match for 'operator+' (operand types are 'std::array<int, 2>' and 'std::array<int, 2>')
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                          ~~~~~~~~ ^ ~~~~~~~~
      |                                 |          |
      |                                 |          array<[...],[...]>
      |                                 array<[...],[...]>
In file included from /usr/include/c++/13/bits/stl_algobase.h:67,
                 from /usr/include/c++/13/algorithm:60,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:51,
                 from prize.cpp:1:
/usr/include/c++/13/bits/stl_iterator.h:634:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_IteratorL> std::operator+(typename reverse_iterator<_IteratorL>::difference_type, const reverse_iterator<_IteratorL>&)'
  634 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:634:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::reverse_iterator<_IteratorL>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/stl_iterator.h:1808:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
 1808 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1808:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::move_iterator<_IteratorL>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
In file included from /usr/include/c++/13/string:54,
                 from /usr/include/c++/13/bitset:52,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:52:
/usr/include/c++/13/bits/basic_string.h:3553:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3553 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3553:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3571:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3571 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3571:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   mismatched types 'const _CharT*' and 'std::array<int, 2>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3590:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3590 |     operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3590:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3607:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3607 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3607:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3625:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 3625 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3625:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3637:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3637 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3637:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3644:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3644 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3644:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3651:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3651 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3651:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3674:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3674 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3674:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   mismatched types 'const _CharT*' and 'std::array<int, 2>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3681:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3681 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3681:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3688:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 3688 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3688:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/basic_string.h:3695:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 3695 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3695:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
In file included from /usr/include/c++/13/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:127:
/usr/include/c++/13/complex:335:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&, const complex<_Tp>&)'
  335 |     operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:335:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/complex:344:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&, const _Tp&)'
  344 |     operator+(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:344:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/complex:353:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const _Tp&, const complex<_Tp>&)'
  353 |     operator+(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:353:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/complex:454:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&)'
  454 |     operator+(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/13/complex:454:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
In file included from /usr/include/c++/13/valarray:605,
                 from /usr/include/x86_64-linux-gnu/c++/13/bits/stdc++.h:166:
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const valarray<_Tp>&, const valarray<_Tp>&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:24:44: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   24 |             bx = max(bx, a[id][0] + a[id][1]);
      |                                            ^
prize.cpp:32:18: error: incompatible types in assignment of 'std::vector<int>' to 'std::array<int, 2> [2]'
   32 |             a[i] = ask(i);
      |             ~~~~~^~~~~~~~
prize.cpp:35:21: error: no match for 'operator+' (operand types are 'std::array<int, 2>' and 'std::array<int, 2>')
   35 |         x = a[i][0] + a[i][1];
      |             ~~~~~~~ ^ ~~~~~~~
      |                   |         |
      |                   |         array<[...],[...]>
      |                   array<[...],[...]>
/usr/include/c++/13/bits/stl_iterator.h:634:5: note: candidate: 'template<class _Iterator> constexpr std::reverse_iterator<_IteratorL> std::operator+(typename reverse_iterator<_IteratorL>::difference_type, const reverse_iterator<_IteratorL>&)'
  634 |     operator+(typename reverse_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:634:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::reverse_iterator<_IteratorL>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/stl_iterator.h:1808:5: note: candidate: 'template<class _Iterator> constexpr std::move_iterator<_IteratorL> std::operator+(typename move_iterator<_IteratorL>::difference_type, const move_iterator<_IteratorL>&)'
 1808 |     operator+(typename move_iterator<_Iterator>::difference_type __n,
      |     ^~~~~~~~
/usr/include/c++/13/bits/stl_iterator.h:1808:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::move_iterator<_IteratorL>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3553:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3553 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3553:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3571:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3571 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3571:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   mismatched types 'const _CharT*' and 'std::array<int, 2>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3590:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3590 |     operator+(_CharT __lhs, const basic_string<_CharT,_Traits,_Alloc>& __rhs)
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3590:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3607:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, const _CharT*)'
 3607 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3607:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3625:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, _CharT)'
 3625 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs, _CharT __rhs)
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3625:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3637:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const __cxx11::basic_string<_CharT, _Traits, _Allocator>&)'
 3637 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3637:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3644:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const __cxx11::basic_string<_CharT, _Traits, _Allocator>&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3644 |     operator+(const basic_string<_CharT, _Traits, _Alloc>& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3644:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3651:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3651 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3651:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3674:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(const _CharT*, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3674 |     operator+(const _CharT* __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3674:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   mismatched types 'const _CharT*' and 'std::array<int, 2>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3681:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(_CharT, __cxx11::basic_string<_CharT, _Traits, _Allocator>&&)'
 3681 |     operator+(_CharT __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3681:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3688:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, const _CharT*)'
 3688 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3688:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/basic_string.h:3695:5: note: candidate: 'template<class _CharT, class _Traits, class _Alloc> constexpr std::__cxx11::basic_string<_CharT, _Traits, _Allocator> std::operator+(__cxx11::basic_string<_CharT, _Traits, _Allocator>&&, _CharT)'
 3695 |     operator+(basic_string<_CharT, _Traits, _Alloc>&& __lhs,
      |     ^~~~~~~~
/usr/include/c++/13/bits/basic_string.h:3695:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'std::__cxx11::basic_string<_CharT, _Traits, _Allocator>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/complex:335:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&, const complex<_Tp>&)'
  335 |     operator+(const complex<_Tp>& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:335:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/complex:344:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&, const _Tp&)'
  344 |     operator+(const complex<_Tp>& __x, const _Tp& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:344:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/complex:353:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const _Tp&, const complex<_Tp>&)'
  353 |     operator+(const _Tp& __x, const complex<_Tp>& __y)
      |     ^~~~~~~~
/usr/include/c++/13/complex:353:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/complex:454:5: note: candidate: 'template<class _Tp> constexpr std::complex<_Tp> std::operator+(const complex<_Tp>&)'
  454 |     operator+(const complex<_Tp>& __x)
      |     ^~~~~~~~
/usr/include/c++/13/complex:454:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::complex<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom1, class _Dom2> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Expr, _Dom1, _Dom2>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const _Expr<_Dom2, typename _Dom2::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_Constant, _Dom, typename _Dom::value_type>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const typename _Dom::value_type&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Constant, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const typename _Dom::value_type&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Expr, std::_ValArray, _Dom, typename _Dom::value_type>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const _Expr<_Dom1, typename _Dom1::value_type>&, const valarray<typename _Dom::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/bits/valarray_after.h:405:5: note: candidate: 'template<class _Dom> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_Expr, typename _Dom::value_type, _Dom>, typename std::__fun<std::__plus, typename _Dom1::value_type>::result_type> std::operator+(const valarray<typename _Dom::value_type>&, const _Expr<_Dom1, typename _Dom1::value_type>&)'
  405 |     _DEFINE_EXPR_BINARY_OPERATOR(+, struct std::__plus)
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/bits/valarray_after.h:405:5: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::_Expr<_Dom1, typename _Dom1::value_type>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const valarray<_Tp>&, const valarray<_Tp>&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_ValArray, std::_Constant, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const valarray<_Tp>&, const typename valarray<_Tp>::value_type&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
/usr/include/c++/13/valarray:1196:1: note: candidate: 'template<class _Tp> std::_Expr<std::__detail::_BinClos<std::__plus, std::_Constant, std::_ValArray, _Tp, _Tp>, typename std::__fun<std::__plus, _Tp>::result_type> std::operator+(const typename valarray<_Tp>::value_type&, const valarray<_Tp>&)'
 1196 | _DEFINE_BINARY_OPERATOR(+, __plus)
      | ^~~~~~~~~~~~~~~~~~~~~~~
/usr/include/c++/13/valarray:1196:1: note:   template argument deduction/substitution failed:
prize.cpp:35:29: note:   'std::array<int, 2>' is not derived from 'const std::valarray<_Tp>'
   35 |         x = a[i][0] + a[i][1];
      |                             ^
prize.cpp:44:28: error: incompatible types in assignment of 'std::vector<int>' to 'std::array<int, 2> [2]'
   44 |                     a[mid] = ask(mid);
      |                     ~~~~~~~^~~~~~~~~~