Submission #1140832

#	Time	Username	Problem	Language	Result	Execution time	Memory
1140832		Luvidi	Discharging (NOI20_discharging)	C++17	36 / 100	1094 ms	15940 KiB

Discharging

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

#define ll long long
#define pll pair<ll, ll>
#define pii pair<int, int>
#define fs first
#define sc second
#define pb push_back

void solve() {
    int n;
    cin>>n;
    ll a[n+1];
    for(int i=1;i<=n;i++)cin>>a[i];
    ll dp[n+1];
    dp[0]=0;
    for(int i=1;i<=n;i++){
        dp[i]=1e18;
        ll m=0;
        for(int j=i;j;j--){
            m=max(m,a[j]);
            dp[i]=min(dp[i],dp[j-1]+m*(n-j+1));
        }
    }
    cout<<dp[n]<<'\n';
}

int main() {
    #ifdef FPO
        freopen("in","r",stdin);
        freopen("out","w",stdout);
    #endif
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

    solve();
}

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