Submission #837160

#	Time	Username	Problem	Language	Result	Execution time	Memory
837160		12345678	Discharging (NOI20_discharging)	C++17	9 / 100	1055 ms	18424 KiB

Discharging

#include <bits/stdc++.h>

using namespace std;

#define ll long long

const int nx=1e6+5;
ll n, t[nx], dp[nx][2];

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][0]=dp[i][1]=1e18;
        for (int j=i-1; j>=0; j--)
        {
            if (dp[j][0]+(dp[j][1]+mx)*(i-j)<dp[i][0])
            {
                dp[i][0]=dp[j][0]+(dp[j][1]+mx)*(i-j);
                dp[i][1]=dp[j][1]+mx;
            }
            mx=max(mx, t[j]);
        }
        //cout<<i<<' '<<dp[i][0]<<' '<<dp[i][1]<<'\n';
    }
    cout<<dp[n][0];
}

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