Submission #468450

#	Time	Username	Problem	Language	Result	Execution time	Memory
468450		idk321	Building Bridges (CEOI17_building)	C++17	30 / 100	3073 ms	3652 KiB

building

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

const ll INF = 1000000000000000006LL;

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;
    vector<ll> h(n);
    for (int i = 0; i < n; i++) cin >> h[i];
    vector<ll> w(n);
    for (int i = 0; i < n; i++) cin >> w[i];
    vector<ll> dp(n, INF);
    dp[0] = 0;
    for (int i = 1; i < n; i++) {
        ll cost = 0;
        for (int j = i - 1; j >= 0; j--) {
            dp[i] = min(dp[i], dp[j] + cost + (h[i] - h[j]) *  (h[i] - h[j]));
            cost += w[j];
        }
    }

    cout << dp[n - 1] << "\n";
}

• Subtask 1: 30 / 30
• Subtask 2: 0 / 30
• Subtask 3: 0 / 40