Submission #1108355

#	Time	Username	Problem	Language	Result	Execution time	Memory
1108355		ezzzay	Building Bridges (CEOI17_building)	C++14	30 / 100	3061 ms	7724 KiB

building

#include<bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define int long long
const int N=3e5+5;
int h[N],w[N];
int dp[N];
signed main(){
    int n;
    cin>>n;
    int k=0;
    for(int i=1;i<=n;i++){
        cin>>h[i];
    }
    for(int i=1;i<=n;i++){
        cin>>w[i];
        k+=w[i];
    }
    dp[1]=-w[1];
    for(int i=2;i<=n;i++){
        dp[i]=1e18;
    }
    for(int i=2;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])-w[i]);
        }
    }
    cout<<dp[n]+k;
}

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