Submission #837169

#	Time	Username	Problem	Language	Result	Execution time	Memory
837169		12345678	Discharging (NOI20_discharging)	C++17	36 / 100	1058 ms	13488 KiB

Discharging

#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long
 
const int nx=1e6+5;
ll n, t[nx], dp[nx];
 
int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n;
    for (int i=1; i<=n; i++) cin>>t[i];
    for (int i=1; i<=n; i++)
    {
        ll mx=t[i]; dp[i]=1e18;
        for (int j=i-1; j>=0; j--) dp[i]=min(dp[i], dp[j]+mx*(n-j)), mx=max(mx, t[j]);
        //cout<<i<<' '<<dp[i]<<'\n';
    }
    cout<<dp[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