Submission #1200178

#	Time	Username	Problem	Language	Result	Execution time	Memory
1200178		tegshzaya	Sequence (APIO23_sequence)	C++20	Compilation error	0 ms	0 KiB

sequence

#include<bits/stdc++.h>
#define ll long long
#define ss second
#define ff first
#define endl "\n"
#define pb push_back
using namespace std;
int sequence(int n,vector<int> v){int u=0;
	map<int,int> m;
	vector<int> w;
	for (int i=0; i<n; i++)
	{w.clear();
	m.clear();
		for (int j=1; j<=n-i; j++)
		{w.push_back(v[i+j-1]);
		m[v[i+j-1]]++;
		sort(w.begin(),w.end());
		if (j%2==1){u=max(u,m[w[j/2+i]]);}
		else{u=max(u,max(m[w[j/2+i-1]],m[w[j/2+i]]));}
		}
	}
	return(u);
}
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	int n;
	cin>>n;
	vector<int> v;
	for (int i=1; i<=n; i++)
	{ll b;
	cin>>b;
	v.push_back(b);
	}
	cout<<sequence(n,v);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccsvqfVY.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccGUOieK.o:sequence.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status