Submission #45951

#	Time	Username	Problem	Language	Result	Execution time	Memory
45951		sorry_Benq	Building Bridges (CEOI17_building)	C++17	30 / 100	3050 ms	3392 KiB

building

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

int w[100005];
ll h[100005];
ll dp[100005];
ll res = 0;
int main(){
	int N; cin >> N;
	for (int i = 0; i < N; i++){
		cin >> h[i];
	}
	for (int i = 0; i < N; i++){
		cin >> w[i];
		res += w[i];
		w[i] = -w[i];
	}
	dp[0] = w[0];
	for (int i = 1; i < N; i++){
		dp[i] = 1e16;
		for (int j = 0; j < i; j++){
			dp[i] = min(dp[j] + w[i] + (h[i] - h[j])*(h[i] - h[j]), dp[i]);
		}
	}
	cout << res + dp[N - 1] << endl;
}

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