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Submission #652677

# Submission time Handle Problem Language Result Execution time Memory
652677 2022-10-23T17:40:17 Z Blagoj Radio Towers (IOI22_towers) C++17
0 / 100
 653 ms 2208 KB 
#include "towers.h"
 
#include <bits/stdc++.h>
 
using namespace std;
 
vector<int> h;

int f[100009], p[100009];

bool used[100009];

void init(int N, std::vector<int> H) {
  h = H;
  f[0] = 1000000009;
  f[H.size()] = 0;
  for (int i = 1; i < N; i++)
  {
    f[i] = H[i - 1];
  }
  p[0] = 0;
  for (int i = 1; i <= N; i++)
  {
    p[i] = p[i - 1];
    if (f[i - 1] > f[i] && f[i + 1] > f[i])
    {
      p[i]++;
      used[i] = true;
    }
  }
}
 
int max_towers(int L, int R, int D) {
  int ans = p[R] - p[L - 1];
  if (!used[L] && f[L - 1] > f[L])
  {
    ans++;
  }
  if (L != R && !used[R] && f[R + 1] > f[R])
  {
    ans++;
  }
  return max(ans, 1);
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Incorrect 418 ms 1440 KB 12th lines differ - on the 1st token, expected: '2', found: '1'
2 Halted 0 ms 0 KB -

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '16'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '16'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 653 ms 2208 KB 1st lines differ - on the 1st token, expected: '11903', found: '11902'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 283 ms 780 KB 1st lines differ - on the 1st token, expected: '7197', found: '8003'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 208 KB 1st lines differ - on the 1st token, expected: '13', found: '16'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 418 ms 1440 KB 12th lines differ - on the 1st token, expected: '2', found: '1'
2 Halted 0 ms 0 KB -