Submission #624240

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
624240	2022-08-07 13:58:54	MatesV13	Finding Routers (IOI20_routers)	C++17	100 / 100	1 ms	724 KiB

routers

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#include <bits/stdc++.h>
using namespace std;
int use_detector(int x);
int rezultati[100005];
int nadi(int lo, int hi, int val){
  if (lo==hi) return lo;
  int mid = (lo+hi+1)/2;
  if (!rezultati[mid]) 
    rezultati[mid] = use_detector(mid) + 1;
  int odgovor = rezultati[mid]-1;
  if (odgovor >= val) return nadi(lo, mid-1, val);
  return nadi (mid, hi, val);
}
vector<int> find_routers(int l, int n, int q){
  
  vector<int> poz;
  poz.push_back(0);
  
  while (poz.size() != n){
    int temp = nadi(0, l, poz.size());
    int idx = 2*temp-poz[poz.size()-1];
    poz.push_back(idx);
  }
  
  return poz;
}
 
 
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Compilation message (stderr)

routers.cpp: In function 'std::vector<int> find_routers(int, int, int)':
routers.cpp:22:20: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   22 |  while (poz.size() != n){
      |         ~~~~~~~~~~~^~~~

• Subtask 1: 16 / 16
• Subtask 2: 21 / 21
• Subtask 3: 23 / 23
• Subtask 4: 40 / 40