Submission #977915

#	Time	Username	Problem	Language	Result	Execution time	Memory
977915		Nexus	Sequence (APIO23_sequence)	C++17	Compilation error	0 ms	0 KiB

sequence

#include "sequence.h"
#include <bits/stdc++.h>
#define ll long long
#define mid (r+l)/2
 
using namespace std;
 
const ll N=5e5+9,M=2e18+9,mod=1e9+7;

ll x,y,z;
vector<ll>v[N];
 
int sequence(int N, vector<int> A) {
    x=1;
    for(ll i=0;i<N;++i)
    v[A[i]].push_back(i);
    for(ll i=1;i<=N;++i)
    {
        if(v[i].size()<2)continue;
        y=v[i][v[i].size()-1]-v[i][0];
        z=y-v[i].size();
        if(z<=n/2)x=max(x,v[i].size());
    }
    return x;
}

/*
int main()
{
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
 
    cin>>n;
    vector<int>v(n);
    for(auto &i:v)cin>>i;
    cout<<sequence(n,v);
}
*/

Compilation message (stderr)

sequence.cpp: In function 'int sequence(int, std::vector<int>)':
sequence.cpp:22:15: error: 'n' was not declared in this scope
   22 |         if(z<=n/2)x=max(x,v[i].size());
      |               ^
sequence.cpp:22:38: error: no matching function for call to 'max(long long int&, std::vector<long long int>::size_type)'
   22 |         if(z<=n/2)x=max(x,v[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:22:38: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'})
   22 |         if(z<=n/2)x=max(x,v[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:22:38: note:   deduced conflicting types for parameter 'const _Tp' ('long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'})
   22 |         if(z<=n/2)x=max(x,v[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: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:
sequence.cpp:22:38: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |         if(z<=n/2)x=max(x,v[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: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:
sequence.cpp:22:38: note:   mismatched types 'std::initializer_list<_Tp>' and 'long long int'
   22 |         if(z<=n/2)x=max(x,v[i].size());
      |                                      ^