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Submission #1061738

# Submission time Handle Problem Language Result Execution time Memory
1061738 2024-08-16T12:25:01 Z MarwenElarbi Radio Towers (IOI22_towers) C++17
4 / 100
 673 ms 1748 KB 
#include <bits/stdc++.h>
using namespace std;
#include "towers.h"
#define pb push_back
#define ll long long
#define fi first
#define se second
int k=-1,n;
vector<int> tab;
void init(int N, std::vector<int> H) {
  n=N;
  for (int i = 0; i < N; ++i)
  {
    tab.pb(H[i]);
  }
  for (int i = 0; i < N-1; ++i)
  {
    if(tab[i]>tab[i+1]){
      k=i;
      break;
    }
  }
}

int max_towers(int L, int R, int D){
  if(L>=k||R<=k) return 1;
  int l=L-1;
  int r=k;
  while(r-l>1){
    int mid=(r+l)/2;
    if(tab[mid]>tab[k]-D) r=mid;
    else l=mid;
  }
  int a=l;
  l=k;
  r=R+1;
  while(r-l>1){
    int mid=(r+l)/2;
    if(tab[mid]>tab[k]-D) l=mid;
    else r=mid;
  }
  if(a==L-1||r==R+1) return 1;
  int ans=max(1,min(2,a-L+1+R-r+1));
  return ans;
}

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 289 ms 1236 KB Output is correct
2 Correct 586 ms 1744 KB Output is correct
3 Correct 595 ms 1748 KB Output is correct
4 Correct 673 ms 1748 KB Output is correct
5 Correct 571 ms 1748 KB Output is correct
6 Correct 606 ms 1748 KB Output is correct
7 Correct 595 ms 1748 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '13', found: '1'
2 Halted 0 ms 0 KB -

Subtask #3
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '13', found: '1'
2 Halted 0 ms 0 KB -

Subtask #4
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 449 ms 1720 KB 1st lines differ - on the 1st token, expected: '11903', found: '1'
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 166 ms 856 KB 1st lines differ - on the 1st token, expected: '7197', found: '1'
2 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '13', found: '1'
2 Halted 0 ms 0 KB -

Subtask #7
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 289 ms 1236 KB Output is correct
2 Correct 586 ms 1744 KB Output is correct
3 Correct 595 ms 1748 KB Output is correct
4 Correct 673 ms 1748 KB Output is correct
5 Correct 571 ms 1748 KB Output is correct
6 Correct 606 ms 1748 KB Output is correct
7 Correct 595 ms 1748 KB Output is correct
8 Correct 0 ms 344 KB Output is correct
9 Correct 0 ms 344 KB Output is correct
10 Correct 0 ms 344 KB Output is correct
11 Incorrect 1 ms 596 KB 1st lines differ - on the 1st token, expected: '13', found: '1'
12 Halted 0 ms 0 KB -