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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. vector<int>searchRange(const vector<int> &A, int B) {
  4.     int size = A.size();
  5.     int low =0, high = size-1;
  6.     int mid;
  7.     while(low<=high) {
  8.  
  9.     mid = low + (high-low)/2;
  10.         if(A[mid]<B) {
  11.         low = mid+1;
  12.     }
  13.     else high = mid - 1;
  14.  
  15.     }
  16.     int positionOne  = low;
  17.     cout<<positionOne<<endl; 
  18.  
  19.     low = 0, high = size - 1;
  20.  
  21.     while(low<=high) {
  22.  
  23.     mid = low + (high-low)/2;
  24.         if(A[mid]<=B) {
  25.         low = mid+1;
  26.     }
  27.     else high = mid - 1;
  28.  
  29.     }
  30.  
  31.     int positionTwo = low;
  32.  
  33.     if(A[positionOne] != B) return {-1,-1};
  34.     return {A[positionOne],A[positionTwo-1]};
  35.  
  36. }
  37.  
  38. int main() {
  39. 	// your code goes here
  40. 	vector<int>ans = searchRange({1},1);
  41. 	cout<<ans[0]<< " "<<ans[1];
  42. 	return 0;
  43. }
Success #stdin #stdout 0.01s 5284KB
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https://ideone.com/7kE5Jp
language:
C++ (gcc 8.3)
created:
2 days ago
visibility:
public

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