Submission #981153

#	Time	Username	Problem	Language	Result	Execution time	Memory
981153		math_rabbit_1028	Sequence (APIO23_sequence)	C++17	Compilation error	0 ms	0 KiB

sequence

#include "sequence.h"

#include <bits/stdc++.h>
using namespace std;

int n, m, ans = 0;
vector<int> arr;
vector<int> pos[505050];

int sequence(int N, vector<int> A) {
    n = N;
    arr = A;
    sort(A.begin(), A.end());
    A.erase(unique(A.begin(), A.end()), A.end());
    m = A.size();
    for (int i = 0; i < n; i++) {
        arr[i] = lower_bound(A.begin(), A.end(), arr[i]) - A.begin();
    }

    for (int i = 0; i < n; i++) {
        pos[arr[i]].push_back(i);
    }
    
    for (int i = 0; i < m; i++) {
        ans = max(ans, pos[i].size());
    }

    return ans;
}

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:25:37: error: no matching function for call to 'max(int&, std::vector<int>::size_type)'
   25 |         ans = max(ans, pos[i].size());
      |                                     ^
In file included from /usr/include/c++/10/vector:60,
                 from sequence.h:1,
                 from sequence.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:
sequence.cpp:25:37: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
   25 |         ans = max(ans, pos[i].size());
      |                                     ^
In file included from /usr/include/c++/10/vector:60,
                 from sequence.h:1,
                 from sequence.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:
sequence.cpp:25:37: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'std::vector<int>::size_type' {aka 'long unsigned int'})
   25 |         ans = max(ans, pos[i].size());
      |                                     ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sequence.cpp:3:
/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:
sequence.cpp:25:37: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |         ans = max(ans, pos[i].size());
      |                                     ^
In file included from /usr/include/c++/10/algorithm:62,
                 from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:65,
                 from sequence.cpp:3:
/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:
sequence.cpp:25:37: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
   25 |         ans = max(ans, pos[i].size());
      |                                     ^