oj.uz

Submission #719763

# Submission time Handle Problem Language Result Execution time Memory
719763 2023-04-06T15:45:26 Z josiftepe Stove (JOI18_stove) C++14
20 / 100
 1000 ms 14964 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
long long n,k;
long long dp[5005][5005];
long long x[5005];
 
long long f(long long idx,long long p)
{
    if(idx==n+1)return 0;
    if(p==0)return 1e18;
    if(dp[idx][p]!=1e18)
    {
        return dp[idx][p];
    }
    long long rez=1e18;
    for(long long i=idx;i<=n;i++)
    {
        if(p-1>=0)
        {
            rez=min(rez, f(i+1,p-1)+x[i]-x[idx]+1);
        }
    }
    return dp[idx][p]=rez;
}
 
int main()
{
    ios_base::sync_with_stdio(false);
    cin>>n>>k;
    for(long long i=1;i<=n;i++)
    {
        cin>>x[i];
    }
    for(long long i=0;i<=n;i++)
    {
        for(long long j=0;j<=k;j++)
        {
            dp[i][j]=1e18;
        }
    }
    cout<<f(1,k)<<endl;
    return 0;
}

Subtask #1
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct

Subtask #2
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 395 ms 12840 KB Output is correct
11 Execution timed out 1086 ms 14964 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #3
0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 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 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 395 ms 12840 KB Output is correct
11 Execution timed out 1086 ms 14964 KB Time limit exceeded
12 Halted 0 ms 0 KB -