Submission #173108

#	Time	Username	Problem	Language	Result	Execution time	Memory
173108		dvdg6566	Building Bridges (CEOI17_building)	C++14	30 / 100	3029 ms	3620 KiB

building

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef vector<ld> vi;
typedef pair<ld,ld> pi;
typedef vector<pi> vpi;
typedef long double ld;
#define pb emplace_back
#define mp make_pair
#define lb lower_bound
#define ub upper_bound
#define All(x) x.begin(), x.end()
#define SZ(x) (ll)x.size()
#define f first
#define s second

const ll MAXN = 1e6+10;
ll N,H[MAXN], E[MAXN];
ll W;
ll dp[MAXN];

int main(){
	cin>>N;
	for (ll i=1;i<=N;++i)cin>>H[i];
	for (ll i=1;i<=N;++i)cin>>E[i], W += E[i];
	dp[1] = -E[1];
	
	for (int i=2;i<=N;++i){
		dp[i] = 1e9;
		for (int j=1;j<i;++j){
			dp[i] = min(dp[i], dp[j] + (H[j] - H[i]) * (H[j] - H[i]) - E[i]);
		}
	}
	cout<<dp[N] + W;
}

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