Submission #651013

#	Time	Username	Problem	Language	Result	Execution time	Memory
651013		NaimSS	Radio Towers (IOI22_towers)	C++17	14 / 100	910 ms	2236 KiB

towers

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

const int N = 100100;
int cnt[N];
int h[N];
vector<int> pos;
#define pico ahiusuhashuis
vector<int> pico;
int good[N];
void init(int N, std::vector<int> H) {
  for(int i=0;i<N;i++)h[i] = H[i];
 
  for(int i=0;i<N;i++){
    int l = (i == 0 || H[i] < H[i-1]);
    int r = (i == N-1 || H[i] < H[i+1]);
    if(l && r){
      cnt[i]++;
      good[i]=1;
    }
    if(i)cnt[i]+=cnt[i-1];
  }
}

int max_towers(int L, int R, int D) {
  if(L==R)return 1;
  int qtd = cnt[R] - (L>0?cnt[L-1]:0);
  if(h[L] < h[L+1] && !good[L])qtd++;
  if(h[R] < h[R-1] && !good[R])qtd++;
  return max(1,qtd);
}

• 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