Submission #735621

#	Time	Username	Problem	Language	Result	Execution time	Memory
735621		math_rabbit_1028	Radio Towers (IOI22_towers)	C++17	14 / 100	1177 ms	1992 KiB

towers

#include "towers.h"
#include <bits/stdc++.h>
using namespace std;

int n;
vector<int> arr;
int cnt[101010];

void init(int N, vector<int> H) {
  n = N;
  for (int i = 0; i < N; i++) arr.push_back(H[i]);
  cnt[0] = 0;
  for (int i = 1; i < N - 1; i++) {
    if (arr[i] > arr[i - 1] && arr[i] > arr[i + 1]) cnt[i] = cnt[i - 1] + 1;
    else cnt[i] = cnt[i - 1];
  }
}

int max_towers(int L, int R, int D) {
  return max(cnt[R - 1] - cnt[L], 0) + 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