제출 #1112001

#제출 시각아이디문제언어결과실행 시간메모리
1112001AvianshBuilding Bridges (CEOI17_building)C++17
30 / 100
3042 ms3408 KiB
#include <bits/stdc++.h>

using namespace std;

long long inf = 2e18;

signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    long long n;
    cin >> n;
    long long arr[n];
    for(long long &i : arr){
        cin >> i;
    }
    long long w[n];
    for(long long &i : w){
        cin >> i;
    }
    long long dp[n];
    dp[0]=0;
    dp[1]=(arr[0]-arr[1])*(arr[0]-arr[1]);
    for(long long i = 2;i<n;i++){
        long long sm = 0;
        dp[i]=inf;
        for(long long j = i-1;j>=0;j--){
            dp[i]=min(dp[i],dp[j]+sm+(arr[i]-arr[j])*(arr[i]-arr[j]));
            sm+=w[j];
        }
    }
    cout << dp[n-1];
    return 0;
}
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