Submission #960228

#	Time	Username	Problem	Language	Result	Execution time	Memory
960228		ezzzay	Akcija (COCI15_akcija)	C++14	80 / 80	30 ms	4112 KiB

akcija

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ff first
#define ss second
#define pb push_back
const int N=3e5+5;
int dp[N];
signed main(){
	int n;
	cin>>n;
	vector<int>v;
	for(int i=1;i<=n;i++){
		int a;
		cin>>a;
		v.pb(a);
	}
	sort(v.begin(),v.end(),greater<int>());
	dp[1]=v[0];
	dp[2]=v[0]+v[1];
	for(int i=3;i<=n;i++){
		dp[i]=min(dp[i-1]+v[i-1],dp[i-3]+v[i-2]+v[i-3]);
	}
	cout<<dp[n];
}

• Subtask 1: 80 / 80