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Submission #709028

# Submission time Handle Problem Language Result Execution time Memory
709028 2023-03-13T04:32:27 Z ToroTN Building Bridges (CEOI17_building) C++14
30 / 100
 3000 ms 4436 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n,h[100005],w[100005],qs[100005],dp[100005];
ll query(ll l,ll r)
{
    if(l>r)return 0;
    return qs[r]-qs[l-1];
}
int main()
{
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n;
    for(int i=1;i<=n;i++)cin >> h[i],dp[i]=1e18;
    for(int i=1;i<=n;i++)cin >> w[i],qs[i]=qs[i-1]+w[i];
    dp[1]=0;
    for(int i=2;i<=n;i++)
    {
        for(int j=1;j<i;j++)
        {
            dp[i]=min(dp[i],dp[j]+query(j+1,i-1)+(h[i]-h[j])*(h[i]-h[j]));
        }
    }
    printf("%lld\n",dp[n]);
}

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Execution timed out 3088 ms 4436 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 336 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Execution timed out 3088 ms 4436 KB Time limit exceeded
7 Halted 0 ms 0 KB -