Submission #1270598

#	Time	Username	Problem	Language	Result	Execution time	Memory
1270598		tryharderforioi100	Hacker (BOI15_hac)	C++17	0 / 100	0 ms	324 KiB

hac

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define endl "\n"
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);
	cout.tie(NULL);
	ll t=1;
	//cin>>t;
	while(t--)
	{
		ll n;
		cin>>n;
		ll a[2*n+1],i,pf[2*n+1];
		a[0]=0;
		pf[0]=0;
		for(i=1;i<=n;i++)
		{
			cin>>a[i];
			a[i+n]=a[i];
		}
		for(i=1;i<=2*n;i++)
		{
			pf[i]=pf[i-1]+a[i];
		}
		ll val=0;
		ll len=n/2;
		for(i=len;i<=2*n;i++)
		{
			val=max(val,pf[i]-pf[i-len]);
		}
		cout<<pf[n]-val<<endl;
	}
	#ifndef ONLINE_JUDGE
    cerr << "Time elapsed: " << 1.0 * clock() / CLOCKS_PER_SEC << " s.\n";
	#endif
	return 0;
}
// Author: tryharderforioi100

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 40