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Submission #584672

# Submission time Handle Problem Language Result Execution time Memory
584672 2022-06-27T18:54:46 Z sofijavelkovska Rice Hub (IOI11_ricehub) C++14
100 / 100
 15 ms 1420 KB 
#include <bits/stdc++.h>
using namespace std;

int besthub(int n, int p, int a[], long long k)
{
    long long prefix[n];
    for (int i=0; i<n; i++)
    {
        if (i==0)
            prefix[i]=a[i];
        else
            prefix[i]=prefix[i-1]+a[i];
    }
    long long l=0, r=0, m;
    long long maxrice=0;
    while (r<n)
    {
        m=(r+l)/2;
        long long distanceright, distanceleft;
        distanceright=prefix[r]-prefix[m];
        if (l!=0)
            distanceleft=prefix[m-1]-prefix[l-1];
        else if (m!=0)
            distanceleft=prefix[m-1];
        else
            distanceleft=0;
        long long budget=(a[m]*(m-l)-distanceleft)+(distanceright-a[m]*(r-m));
        if (budget<=k)
        {
            maxrice=max(maxrice, r-l+1);
            r=r+1;
        }
        else
        {
            r=r+1;
            l=l+1;
        }
    }
    return maxrice;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 0 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
23 Correct 0 ms 212 KB Output is correct
24 Correct 0 ms 212 KB Output is correct
25 Correct 0 ms 212 KB Output is correct
26 Correct 0 ms 212 KB Output is correct
27 Correct 0 ms 212 KB Output is correct
28 Correct 0 ms 212 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 300 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 468 KB Output is correct
2 Correct 2 ms 468 KB Output is correct
3 Correct 11 ms 1364 KB Output is correct
4 Correct 11 ms 1364 KB Output is correct
5 Correct 5 ms 852 KB Output is correct
6 Correct 5 ms 852 KB Output is correct
7 Correct 15 ms 1416 KB Output is correct
8 Correct 12 ms 1420 KB Output is correct
9 Correct 5 ms 884 KB Output is correct
10 Correct 8 ms 852 KB Output is correct
11 Correct 11 ms 1364 KB Output is correct
12 Correct 14 ms 1392 KB Output is correct
13 Correct 5 ms 824 KB Output is correct
14 Correct 9 ms 820 KB Output is correct
15 Correct 11 ms 1108 KB Output is correct
16 Correct 8 ms 1108 KB Output is correct
17 Correct 9 ms 1356 KB Output is correct
18 Correct 9 ms 1236 KB Output is correct
19 Correct 10 ms 1400 KB Output is correct
20 Correct 10 ms 1364 KB Output is correct