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Submission #158345

# Submission time Handle Problem Language Result Execution time Memory
158345 2019-10-16T15:22:40 Z WLZ Rice Hub (IOI11_ricehub) C++14
100 / 100
 28 ms 2580 KB 
#include "ricehub.h"
#include <bits/stdc++.h>
using namespace std;

int besthub(int R, int L, int X[], long long B) {
  long long T[R + 1];
  T[0] = 0;
  for (int i = 1; i <= R; i++) {
    T[i] = T[i - 1] + X[i - 1];
  }
  int ans = 1;
  for (int s = 0; s < R; s++) {
    int lo = s, hi = R - 1;
    while (lo <= hi) {
      int t = lo + (hi - lo) / 2;
      int p = s + (t - s) / 2;
      long long cost = (p - s) * X[p] - (T[p] - T[s]) + (T[t + 1] - T[p + 1]) - (t - p) * X[p];
      if (cost <= B) {
        ans = max(ans, t - s + 1);
        lo = t + 1;
      } else {
        hi = t - 1;
      }
    }
  }
  return ans;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 380 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 256 KB Output is correct
9 Correct 2 ms 256 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 256 KB Output is correct
12 Correct 2 ms 256 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 256 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 256 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 256 KB Output is correct
28 Correct 2 ms 376 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 256 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 2 ms 256 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 3 ms 376 KB Output is correct
22 Correct 3 ms 376 KB Output is correct
23 Correct 3 ms 372 KB Output is correct
24 Correct 3 ms 376 KB Output is correct
25 Correct 3 ms 376 KB Output is correct
26 Correct 3 ms 376 KB Output is correct
27 Correct 3 ms 376 KB Output is correct
28 Correct 3 ms 376 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 760 KB Output is correct
2 Correct 6 ms 760 KB Output is correct
3 Correct 26 ms 2556 KB Output is correct
4 Correct 26 ms 2552 KB Output is correct
5 Correct 12 ms 1272 KB Output is correct
6 Correct 12 ms 1272 KB Output is correct
7 Correct 24 ms 2296 KB Output is correct
8 Correct 23 ms 2296 KB Output is correct
9 Correct 13 ms 1144 KB Output is correct
10 Correct 13 ms 1144 KB Output is correct
11 Correct 28 ms 2556 KB Output is correct
12 Correct 28 ms 2580 KB Output is correct
13 Correct 13 ms 1272 KB Output is correct
14 Correct 13 ms 1272 KB Output is correct
15 Correct 21 ms 2040 KB Output is correct
16 Correct 21 ms 2040 KB Output is correct
17 Correct 25 ms 2296 KB Output is correct
18 Correct 25 ms 2248 KB Output is correct
19 Correct 27 ms 2524 KB Output is correct
20 Correct 26 ms 2424 KB Output is correct