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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. vector<int>v={0, 0, 0, 1, 1, 1, 1};
  5.  
  6. int main() {
  7. 	int l = 0;
  8.     int r = v.size()-1;
  9.     int res = -1;
  10.     while(l<=r){
  11.         int mid = l + (r-l)/2;
  12.         if(v[mid]==1){
  13.             res = mid;
  14.             r=mid-1;
  15.         }else{
  16.             l=mid+1;
  17.         }
  18.     }
  19.     cout<<res<<endl;
  20. 	return 0;
  21. }
Success #stdin #stdout 0s 5304KB
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Standard input is empty
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3
https://ideone.com/KyL4Vc
First Occurrence of 1
language:
C++14 (gcc 8.3)
created:
21 days ago
visibility:
public

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