Submission #265443

#	Time	Username	Problem	Language	Result	Execution time	Memory
265443		eohomegrownapps	Discharging (NOI20_discharging)	C++14	36 / 100	1093 ms	1196 KiB

Discharging

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

ll dp[500000];
ll arr[500000];

int main(){
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    int n;
    cin>>n;
    dp[0]=0;
    for (int i = 1; i<=n; i++){
        cin>>arr[i];
        ll mxv = arr[i];
        dp[i]=1e18;
        for (int x = i-1; x>=0; x--){
            mxv=max(mxv,arr[x]);
            dp[i]=min(dp[i],(n-x)*mxv+dp[x]);
        }
        //cout<<dp[i]<<'\n';
    }
    cout<<dp[n]<<'\n';
}

• Subtask 1: 9 / 9
• Subtask 2: 13 / 13
• Subtask 3: 0 / 25
• Subtask 4: 0 / 11
• Subtask 5: 14 / 14
• Subtask 6: 0 / 28