Submission #46977

#	Time	Username	Problem	Language	Result	Execution time	Memory
46977		dqhungdl	Building Bridges (CEOI17_building)	C++17	30 / 100	3049 ms	3852 KiB

building

#include <bits/stdc++.h>
using namespace std;

int64_t n,a[100005],b[100005],f[100005];

int main()
{
    ios_base::sync_with_stdio(false);
    //freopen("TEST.INP","r",stdin);
    cin>>n;
    for(int64_t i=1;i<=n;i++)
        cin>>a[i];
    for(int64_t i=1;i<=n;i++)
    {
        cin>>b[i];
        b[i]+=b[i-1];
    }
    f[1]=0;
    for(int64_t i=2;i<=n;i++)
    {
        f[i]=1e18;
        for(int64_t j=1;j<i;j++)
            f[i]=min(f[i],f[j]+(a[i]-a[j])*(a[i]-a[j])+b[i-1]-b[j]);
    }
    cout<<f[n];
}

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