Submission #1054081

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054081		Gray	Radio Towers (IOI22_towers)	C++17	14 / 100	572 ms	1968 KiB

towers

#include "towers.h"
#include <algorithm>
#include <vector>
#include <iostream>
#define ll int
#define ff first
#define ss second
#define ln "\n"

using namespace std;

vector<ll> pref, a;
ll n;
vector<bool> big(n);
void init(int N, std::vector<int> H) {
     a=H;
     n=N;
     pref.clear(); pref.resize(n);
     big.clear(); big.resize(n);
     for (ll i=1; i<n; i++){
          pref[i]=pref[i-1];
          if (i+1<n and i-1>=0 and a[i]>a[i-1] and a[i]>a[i+1]) pref[i]++;
     }
}
// smallt -> 
// bigt -> 
int max_towers(int L, int R, int D) {
     return max(1, (R-1>=0?pref[R-1]:0)-pref[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