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Submission #757762

# Submission time Handle Problem Language Result Execution time Memory
757762 2023-06-13T17:54:29 Z taher Rice Hub (IOI11_ricehub) C++17
100 / 100
 16 ms 2520 KB 
#include <bits/stdc++.h>

using namespace std;

int besthub(int R, int L, int X[], long long B) {
  vector<long long> pref(R);
  for (int i = 0; i < R; i++) {
    if (i == 0) pref[i] = (long long) X[i];
    else pref[i] = pref[i - 1] + (long long) X[i];
  }
  int l = 0;
  int best = 0;
  for (int i = 0; i < R; i++) {
    int mid = l + (i - l) / 2;
    int cur = i - mid, here = mid - l;
    long long sum = (pref[i] - pref[mid]) - (long long) X[mid] * cur;
    long long s = 0;
    if (mid > 0) s = (long long) X[mid] * here - (pref[mid - 1] - (l > 0 ? pref[l - 1] : 0));
    if (s + sum <= B) {
      best = max(best, cur + here);
    }
    else {
      l++; i--;
    }
  }
  return best + 1;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 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 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 312 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 308 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 0 ms 212 KB Output is correct
13 Correct 1 ms 316 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 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 1 ms 212 KB Output is correct
20 Correct 1 ms 316 KB Output is correct
21 Correct 1 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 212 KB Output is correct
24 Correct 1 ms 212 KB Output is correct
25 Correct 1 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 1 ms 312 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 212 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 316 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 1 ms 212 KB Output is correct
14 Correct 1 ms 212 KB Output is correct
15 Correct 1 ms 212 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 0 ms 312 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 1 ms 212 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 324 KB Output is correct
23 Correct 1 ms 320 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 340 KB Output is correct
26 Correct 2 ms 328 KB Output is correct
27 Correct 2 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 5 ms 572 KB Output is correct
2 Correct 3 ms 596 KB Output is correct
3 Correct 16 ms 2496 KB Output is correct
4 Correct 12 ms 2492 KB Output is correct
5 Correct 5 ms 1216 KB Output is correct
6 Correct 6 ms 1236 KB Output is correct
7 Correct 12 ms 2264 KB Output is correct
8 Correct 11 ms 2260 KB Output is correct
9 Correct 7 ms 1108 KB Output is correct
10 Correct 5 ms 1108 KB Output is correct
11 Correct 12 ms 2468 KB Output is correct
12 Correct 13 ms 2520 KB Output is correct
13 Correct 6 ms 1236 KB Output is correct
14 Correct 5 ms 1236 KB Output is correct
15 Correct 9 ms 1876 KB Output is correct
16 Correct 9 ms 1964 KB Output is correct
17 Correct 11 ms 2240 KB Output is correct
18 Correct 11 ms 2184 KB Output is correct
19 Correct 12 ms 2380 KB Output is correct
20 Correct 13 ms 2380 KB Output is correct