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Submission #978345

# Submission time Handle Problem Language Result Execution time Memory
978345 2024-05-09T06:44:18 Z jadai007 Rice Hub (IOI11_ricehub) C++17
100 / 100
 12 ms 4832 KB 
#include "ricehub.h"
#include<bits/stdc++.h>
 
using namespace std;
using ll = long long;
 
int besthub (int R, int L, int X[], long long B) {
  vector<int> x(R + 5);
  vector<ll> pref(R + 5);
  for (int i = 1; i <= R; i++) x[i] = X[i - 1], pref[i] = pref[i - 1] + x[i];
  auto ck = [&] (int val) {
    for (int l = 1, r = l + val - 1; r <= R; l++, r++) {
      int mid = (l + r) >> 1;
      ll curl = x[mid] * (mid - l) - (pref[mid - 1] - pref[l - 1]);
      ll curr = (pref[r] - pref[mid]) - x[mid] * (r - mid);
      if (curl + curr <= B) return 1;
    }
    return 0;
  };
  int l = 1, r = R;
  while (l <= r) {
    int mid = (l + r) >> 1;
    if (ck(mid)) l = mid + 1;
    else r = mid - 1;
  }
  return r;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 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 0 ms 348 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 500 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 344 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 1 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 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 344 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 1 ms 448 KB Output is correct
22 Correct 0 ms 344 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 1 ms 348 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 1 ms 348 KB Output is correct
5 Correct 0 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 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 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 0 ms 604 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 0 ms 600 KB Output is correct
21 Correct 1 ms 456 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 492 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 860 KB Output is correct
2 Correct 3 ms 832 KB Output is correct
3 Correct 10 ms 4700 KB Output is correct
4 Correct 10 ms 4832 KB Output is correct
5 Correct 6 ms 3420 KB Output is correct
6 Correct 6 ms 3420 KB Output is correct
7 Correct 12 ms 4572 KB Output is correct
8 Correct 10 ms 4444 KB Output is correct
9 Correct 5 ms 3420 KB Output is correct
10 Correct 6 ms 3540 KB Output is correct
11 Correct 10 ms 4700 KB Output is correct
12 Correct 10 ms 4700 KB Output is correct
13 Correct 6 ms 3480 KB Output is correct
14 Correct 6 ms 3416 KB Output is correct
15 Correct 8 ms 4188 KB Output is correct
16 Correct 7 ms 4132 KB Output is correct
17 Correct 9 ms 4576 KB Output is correct
18 Correct 11 ms 4636 KB Output is correct
19 Correct 10 ms 4788 KB Output is correct
20 Correct 9 ms 4700 KB Output is correct