Submission #1251978

#	Time	Username	Problem	Language	Result	Execution time	Memory
1251978		tamzid	Finding Routers (IOI20_routers)	C++20	0 / 100	1 ms	328 KiB

routers

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

std::vector<int> find_routers(int l, int n, int q) {
  //   int idx = use_detector(0);
  //   std::vector<int> ans;
  //   for (int i = 0; i < n; i++) {
	// 	ans.push_back(0);
	// }
	// return ans;

  std::vector<int> ans;
  ans.push_back(0);
  int l1 = 0, r = l;
  if(use_detector((l1 + 1 + r) / 2) == 0)
  {
    l1 = (l1 + 1 + r) / 2;
  }
  else
  {
    r = (l1 + 1 + r) / 2;
  }
  while(l1 < r)
  {
    int m = (l1 + r) / 2;
    if(use_detector(m) == 0)
    {
      l1 = m + 1;
    }
    else
    {
      r = m - 1;
    }
  }
  ans.push_back(l1 * 2);
  return ans;
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 21
• Subtask 3: 0 / 23
• Subtask 4: 0 / 40