Submission #836868

#	Time	Username	Problem	Language	Result	Execution time	Memory
836868		Abrar_Al_Samit	송신탑 (IOI22_towers)	C++17	14 / 100	647 ms	1480 KiB

towers

#include "towers.h"
#include <bits/stdc++.h>

using namespace std;

//subtask 4

const int nax = 100005;
int n;
int pre[nax];
void init(int N, vector<int> H) {
  n = N;

  for(int i=1; i<n-1; ++i) {
    if(H[i]>H[i-1] && H[i]>H[i+1]) pre[i] = 1;
    pre[i] += pre[i-1];
  }
}

int max_towers(int L, int R, int D) {
  if(R==0) return 1;
  return max(1, pre[R-1] - pre[L] + 1);
}

• Subtask 1: 0 / 4
• Subtask 2: 0 / 11
• Subtask 3: 0 / 12
• Subtask 4: 14 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23