Submission #80159

#	Time	Username	Problem	Language	Result	Execution time	Memory
80159		aminra	Building Bridges (CEOI17_building)	C++14	30 / 100	3046 ms	3760 KiB

building

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
const int MOD = (int)1e9 + 7;
const int MAXN = (int)1e6 + 7;
const int infint = (int)1e9;
const ll inf = 1e18;
ll n, h[MAXN], w[MAXN], dp[MAXN];
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(0); cout.tie(0);
	cin >> n;
	for (int i = 0; i < n; i++)
		cin >> h[i];
	for (int i = 0; i < n; i++)
		cin >> w[i];
	for (int i = 1; i < n; i++)
		w[i] += w[i - 1];
	dp[0] = 0;
	for (int i = 1; i < n; i++)
	{
		dp[i] = inf;
		for (int j = 0; j < i; j++)
			dp[i] = min(dp[i], dp[j] + (h[i] - h[j]) * (h[i] - h[j]) + w[i - 1] - w[j]);
	}
	cout << dp[n - 1];
}

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