Submission #1214022

#	Time	Username	Problem	Language	Result	Execution time	Memory
1214022		VMaksimoski008	Discharging (NOI20_discharging)	C++20	36 / 100	1093 ms	12008 KiB

Discharging

#include <bits/stdc++.h>
#define ar array
//#define int long long

using namespace std;

using ll = long long;
using pii = pair<int, int>;
using pll = pair<ll, ll>;

const int mod = 1e9 + 7;
const ll inf = 1e18;
const int N = 1e6 + 5;

signed main() {
    int n; cin >> n;
    vector<int> a(n+1);
    for(int i=1; i<=n; i++) cin >> a[i];

    vector<ll> dp(n+1, 1e18); dp[0] = 0;
    for(int i=1; i<=n; i++) {
        int mx = 0;
        for(int j=i; j>=1; j--) {
            mx = max(mx, a[j]);
            ll c = (ll)(n-j+1) * mx;
            dp[i] = min(dp[i], dp[j-1] + c);
        }
    }

    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