Submission #635725

#	Time	Username	Problem	Language	Result	Execution time	Memory
635725		zsombor	Global Warming (CEOI18_glo)	C++17	Compilation error	0 ms	0 KiB

glo

#include <iostream>
#include <algorithm>
#include <vector>
using namespace std;

int main()
{
    int n, x, hely, ans = 0;
    cin >> n >> x;
    vector <int> v(n);
    for (int i = 0; i < n; i++) cin >> v[i];

    vector <int> suf(n);
    vector <int> dp(n + 1);

    fill(dp.begin(), dp.end(), 2e9);
    dp[0] = -2e9;
    for (int i = n - 1; i >= 0; i--) {
        hely = lower_bound(dp.begin(), dp.end(), -v[i]) - dp.begin();
        suf[i] = hely;
        dp[hely] = -v[i];
    }

    fill(dp.begin(), dp.end(), 2e9);
    dp[0] = -2e9;
    for (int i = 0; i < n; i++) {
        ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
        hely = lower_bound(dp.begin(), dp.end(), v[i]) - dp.begin();
        suf[i] = hely;
        dp[hely] = v[i];
    }
    cout << ans;
}

Compilation message (stderr)

glo.cpp: In function 'int main()':
glo.cpp:27:95: error: no matching function for call to 'max(int&, __gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type)'
   27 |         ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
      |                                                                                               ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from glo.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:254:5: note: candidate: 'template<class _Tp> constexpr const _Tp& std::max(const _Tp&, const _Tp&)'
  254 |     max(const _Tp& __a, const _Tp& __b)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:254:5: note:   template argument deduction/substitution failed:
glo.cpp:27:95: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   27 |         ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
      |                                                                                               ^
In file included from /usr/include/c++/10/bits/char_traits.h:39,
                 from /usr/include/c++/10/ios:40,
                 from /usr/include/c++/10/ostream:38,
                 from /usr/include/c++/10/iostream:39,
                 from glo.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h:300:5: note: candidate: 'template<class _Tp, class _Compare> constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare)'
  300 |     max(const _Tp& __a, const _Tp& __b, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algobase.h:300:5: note:   template argument deduction/substitution failed:
glo.cpp:27:95: note:   deduced conflicting types for parameter 'const _Tp' ('int' and '__gnu_cxx::__normal_iterator<int*, std::vector<int> >::difference_type' {aka 'long int'})
   27 |         ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
      |                                                                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from glo.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3480:5: note: candidate: 'template<class _Tp> constexpr _Tp std::max(std::initializer_list<_Tp>)'
 3480 |     max(initializer_list<_Tp> __l)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3480:5: note:   template argument deduction/substitution failed:
glo.cpp:27:95: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   27 |         ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
      |                                                                                               ^
In file included from /usr/include/c++/10/algorithm:62,
                 from glo.cpp:2:
/usr/include/c++/10/bits/stl_algo.h:3486:5: note: candidate: 'template<class _Tp, class _Compare> constexpr _Tp std::max(std::initializer_list<_Tp>, _Compare)'
 3486 |     max(initializer_list<_Tp> __l, _Compare __comp)
      |     ^~~
/usr/include/c++/10/bits/stl_algo.h:3486:5: note:   template argument deduction/substitution failed:
glo.cpp:27:95: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   27 |         ans = max(ans, (lower_bound(dp.begin(), dp.end(), v[i] + x) - dp.begin()) - 1 + suf[i]);
      |                                                                                               ^