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Submission #988127

# Submission time Handle Problem Language Result Execution time Memory
988127 2024-05-24T05:48:24 Z mannshah1211 Rice Hub (IOI11_ricehub) C++17
100 / 100
 16 ms 4460 KB 
/**
 *    author: tourist
 *    created:
**/
#include "ricehub.h"
#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "algo/debug.h"
#else
#define debug(...) 42
#endif

int besthub(int n, int len, int a[], long long b) {
  vector<long long> p(n + 1);
  for (int i = 0; i < n; i++) {
    p[i + 1] = a[i];
    p[i + 1] += p[i];
  }
  auto rsum = [&](int l, int r) -> int64_t {
    return p[r] - p[l - 1];
  };
  int ans = 1;
  for (int i = 1; i <= n; i++) {
    int low = i + 1, high = n, idx = -1;
    while (low <= high) {
      int mid = (low + high) >> 1, med = (i + mid) >> 1;
      long long cost = int64_t(med - i + 1) * int64_t(a[med]) - rsum(i, med) + rsum(med + 1, mid) - int64_t(mid - med) * int64_t(a[med]);
      if (cost <= b) {
        idx = mid;
        low = mid + 1;
      } else {
        high = mid - 1;
      }
    }
    ans = max(ans, idx - i + 1);
  }
  return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 344 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 600 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 504 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 500 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 344 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 452 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 #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 344 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 344 KB Output is correct
21 Correct 1 ms 460 KB Output is correct
22 Correct 2 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 2 ms 352 KB Output is correct
26 Correct 1 ms 596 KB Output is correct
27 Correct 2 ms 348 KB Output is correct
28 Correct 1 ms 344 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 600 KB Output is correct
2 Correct 3 ms 600 KB Output is correct
3 Correct 14 ms 4444 KB Output is correct
4 Correct 14 ms 4444 KB Output is correct
5 Correct 7 ms 3416 KB Output is correct
6 Correct 7 ms 3164 KB Output is correct
7 Correct 13 ms 4188 KB Output is correct
8 Correct 16 ms 4184 KB Output is correct
9 Correct 8 ms 3164 KB Output is correct
10 Correct 8 ms 3164 KB Output is correct
11 Correct 14 ms 4444 KB Output is correct
12 Correct 14 ms 4460 KB Output is correct
13 Correct 7 ms 3420 KB Output is correct
14 Correct 7 ms 3420 KB Output is correct
15 Correct 11 ms 3940 KB Output is correct
16 Correct 11 ms 3932 KB Output is correct
17 Correct 13 ms 4196 KB Output is correct
18 Correct 13 ms 4328 KB Output is correct
19 Correct 14 ms 4196 KB Output is correct
20 Correct 14 ms 4324 KB Output is correct