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Submission #359272

# Submission time Handle Problem Language Result Execution time Memory
359272 2021-01-26T15:00:15 Z Pety Rice Hub (IOI11_ricehub) C++14
100 / 100
 30 ms 2924 KB 
#include <bits/stdc++.h>
//#include "ricehub.h"


using namespace std;

vector<int> v;
vector<long long> sum;

long long cost (int l, int r) {
  l++;r++;
  int mij = (l + r) / 2;
  return (1ll * v[mij] * (mij - l + 1) - (sum[mij] - sum[l - 1]) + (sum[r] - sum[mij - 1]) - 1ll * (r - mij + 1) * v[mij]);
}

int besthub (int n, int l, int x[], long long b) {
  sum.resize(n + 2);
  v.resize(n + 2);
  for (int i = 0; i < n; i++) {
    sum[i + 1] = sum[i] + x[i] ;
    v[i + 1] = x[i];
  }
  int sol = 0;
  for (int i = 0; i < n; i++) {
    int st = i, dr = n - 1, ans = 0;
    while (st <= dr) {
      int mij = (st + dr) / 2;
      if (cost(i, mij) <= b) {
        ans = mij;
        st = mij + 1;
      }
      else
        dr = mij - 1;
    }
    sol = max(sol, ans - i + 1);
  }
  return sol;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 512 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 384 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 2 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 2 ms 492 KB Output is correct
24 Correct 2 ms 492 KB Output is correct
25 Correct 2 ms 492 KB Output is correct
26 Correct 3 ms 640 KB Output is correct
27 Correct 2 ms 492 KB Output is correct
28 Correct 2 ms 492 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 620 KB Output is correct
2 Correct 5 ms 748 KB Output is correct
3 Correct 25 ms 2924 KB Output is correct
4 Correct 25 ms 2924 KB Output is correct
5 Correct 12 ms 1516 KB Output is correct
6 Correct 12 ms 1516 KB Output is correct
7 Correct 23 ms 2668 KB Output is correct
8 Correct 25 ms 2668 KB Output is correct
9 Correct 11 ms 1388 KB Output is correct
10 Correct 11 ms 1388 KB Output is correct
11 Correct 25 ms 2924 KB Output is correct
12 Correct 25 ms 2924 KB Output is correct
13 Correct 12 ms 1536 KB Output is correct
14 Correct 12 ms 1516 KB Output is correct
15 Correct 19 ms 2412 KB Output is correct
16 Correct 18 ms 2284 KB Output is correct
17 Correct 22 ms 2668 KB Output is correct
18 Correct 22 ms 2668 KB Output is correct
19 Correct 30 ms 2796 KB Output is correct
20 Correct 28 ms 2796 KB Output is correct