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Submission #1012682

# Submission time Handle Problem Language Result Execution time Memory
1012682 2024-07-02T13:43:32 Z LucaLucaM Rice Hub (IOI11_ricehub) C++17
100 / 100
 13 ms 2652 KB 
#include <iostream>
#include "ricehub.h"

typedef long long ll;

int besthub(int n, int l, int a[], long long b) {
  int answer = 0;
  ll sum[n + 1] = {};
  for (int i = 1; i <= n; i++) {
    sum[i] = sum[i - 1] + a[i - 1];
  }
  auto cost = [&](int l, int r) {
    int mid = (l + r) / 2;
    return sum[r] - sum[mid] - (ll) (r - mid) * a[mid - 1] + (ll) (mid - l + 1) * a[mid - 1] - (sum[mid] - sum[l - 1]);
  };
  for (int i = 1, j = 1; i <= n; i++) {
    while (j <= n && cost(i, j) <= b) {
      j++;
    }
    answer = std::max(answer, j - i);
  }
  return answer;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 444 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 344 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 400 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 448 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 452 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 344 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 452 KB Output is correct
15 Correct 1 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 452 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 344 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 1 ms 348 KB Output is correct
26 Correct 1 ms 348 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 9 ms 2608 KB Output is correct
4 Correct 9 ms 2648 KB Output is correct
5 Correct 4 ms 1372 KB Output is correct
6 Correct 4 ms 1216 KB Output is correct
7 Correct 13 ms 2652 KB Output is correct
8 Correct 7 ms 2140 KB Output is correct
9 Correct 7 ms 1372 KB Output is correct
10 Correct 4 ms 1232 KB Output is correct
11 Correct 9 ms 2652 KB Output is correct
12 Correct 11 ms 2648 KB Output is correct
13 Correct 4 ms 1372 KB Output is correct
14 Correct 4 ms 1372 KB Output is correct
15 Correct 7 ms 2100 KB Output is correct
16 Correct 7 ms 1884 KB Output is correct
17 Correct 8 ms 2432 KB Output is correct
18 Correct 8 ms 2648 KB Output is correct
19 Correct 9 ms 2348 KB Output is correct
20 Correct 8 ms 2396 KB Output is correct