oj.uz

Submission #469133

# Submission time Handle Problem Language Result Execution time Memory
469133 2021-08-30T21:29:27 Z Maurimuri80 Rice Hub (IOI11_ricehub) C++14
100 / 100
 19 ms 2516 KB 
#include "ricehub.h"
#include <cmath>
#include <vector>
#include <iostream>
using namespace std;

int besthub(int R, int L, int X[], long long B)
{
  // cout << "Hello" << endl;
  vector<long long> ac(R + 1);
  ac[0] = 0;
  for (int i = 1; i <= R; i++)
  {
    ac[i] = ac[i - 1] + (long long)X[i - 1];
  }
  long long min, max, med;
  min = 1;
  max = R;
  // cout<<"Hello"<<endl;
  while (true)
  {
    if (min == max or min > max)
    {
      return min;
    }
    med = ((min + max) / 2 )+1;
    // cout<<med<<endl;
    //hallamos la mitad de los posible y no posible
    bool possible = false;
    for (int i = 0; i <= R - med; i++)
    {
      long long izq = i;
      long long der = i + med - 1;
      long long mid = (izq + der) / 2;
      long long aux = (mid - izq);
      long long aux2 = (der - mid);
      long long rm = X[mid];
      long long sum = ((aux - aux2) * rm) - (ac[mid] - ac[izq]) + (ac[der + 1] - ac[mid + 1]);
      if (sum <= B)
      {
        possible = true;
        break;
      }
    }
    if (possible == true)
    {
      min = med;
    }
    else
    {
      max = med - 1;
    }
  }
  return 1;
}

Subtask #1
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 0 ms 204 KB Output is correct

Subtask #2
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 304 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 0 ms 204 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 0 ms 204 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 308 KB Output is correct
17 Correct 0 ms 204 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 300 KB Output is correct
21 Correct 1 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 1 ms 304 KB Output is correct
25 Correct 1 ms 204 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 204 KB Output is correct

Subtask #3
26.0 / 26.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 1 ms 204 KB Output is correct
12 Correct 1 ms 204 KB Output is correct
13 Correct 1 ms 204 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 1 ms 332 KB Output is correct
22 Correct 1 ms 332 KB Output is correct
23 Correct 1 ms 332 KB Output is correct
24 Correct 1 ms 328 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 332 KB Output is correct
27 Correct 1 ms 320 KB Output is correct
28 Correct 1 ms 332 KB Output is correct

Subtask #4
32.0 / 32.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 460 KB Output is correct
2 Correct 3 ms 568 KB Output is correct
3 Correct 15 ms 2508 KB Output is correct
4 Correct 19 ms 2508 KB Output is correct
5 Correct 8 ms 1228 KB Output is correct
6 Correct 8 ms 1228 KB Output is correct
7 Correct 13 ms 2252 KB Output is correct
8 Correct 13 ms 2224 KB Output is correct
9 Correct 9 ms 1120 KB Output is correct
10 Correct 7 ms 1124 KB Output is correct
11 Correct 15 ms 2516 KB Output is correct
12 Correct 15 ms 2480 KB Output is correct
13 Correct 8 ms 1228 KB Output is correct
14 Correct 10 ms 1228 KB Output is correct
15 Correct 14 ms 1968 KB Output is correct
16 Correct 11 ms 1884 KB Output is correct
17 Correct 13 ms 2252 KB Output is correct
18 Correct 18 ms 2212 KB Output is correct
19 Correct 14 ms 2356 KB Output is correct
20 Correct 14 ms 2352 KB Output is correct