Submission #370624

#	Time	Username	Problem	Language	Result	Execution time	Memory
370624		wind_reaper	Building Bridges (CEOI17_building)	C++17	30 / 100	3079 ms	4480 KiB

building

#include <bits/stdc++.h>

using namespace std;

const int64_t INF = 1e18;

int32_t main(){
	ios_base::sync_with_stdio(false); 
	cin.tie(NULL); 
	
	int n;
	cin >> n; 

	vector<int64_t> h(n+1), w(n+1);
	for(int i = 1; i <= n; i++)
		cin >> h[i];
	for(int i = 1; i <= n; i++)
		cin >> w[i];

	vector<int64_t> pref(n+1, 0);
	for(int i = 1; i <= n; i++)
		pref[i] = pref[i-1] + w[i];

	vector<int64_t> dp(n+1, INF);
	dp[1] = 0;
	for(int i = 1; i <= n; i++){
		for(int j = 1; j < i; j++)
			dp[i] = min(dp[i], dp[j] + (h[i] - h[j])*(h[i] - h[j]) + pref[i-1] - pref[j]);
	}
	cout << dp[n] << '\n';
	return 0; 
}

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