Submission #1074302

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1074302	2024-08-25 09:34:50	Gromp15	Radio Towers (IOI22_towers)	C++17	41 / 100	4074 ms	4048 KiB

towers

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#include <bits/stdc++.h>
#include "towers.h"
#define ll long long
#define ar array
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
using namespace std;
template<typename T> bool ckmin(T &a, const T &b ) { return a > b ? a = b, 1 : 0; }
template<typename T> bool ckmax(T &a, const T &b ) { return a < b ? a = b, 1 : 0; }
int n; vector<int> h, h2, pref;
int D;
int test(int i) {
  return (i && i+1 < n && ((h[i] > h[i-1] && h[i] > h[i+1])));
}
bool one_peak = 1;
int peak = -1;
void init(int N, std::vector<int> H) {
  n = N;
  h = H;
  h2 = H;
  sort(all(h2));
  h2.erase(unique(all(h2)), h2.end());
  for (int &x : h) x = lower_bound(all(h2), x) - h2.begin();
  pref.resize(n);
  for (int i = 0; i < n; i++) {
    pref[i] = test(i) + (i ? pref[i-1] : 0);
  }
  peak = max_element(all(h)) - h.begin();
 
 
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• Subtask 1: 4 / 4
• Subtask 2: 11 / 11
• Subtask 3: 12 / 12
• Subtask 4: 14 / 14
• Subtask 5: 0 / 17
• Subtask 6: 0 / 19
• Subtask 7: 0 / 23