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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. int main(){
  5.  
  6.     int N = 5;
  7.     int arr[5] = {3, 5, 8, 15, 19};
  8.     int x = 18;
  9.     int ans = 5;
  10.  
  11.     int low = 0;
  12.     int high = N-1;
  13.  
  14.     while(low <= high){
  15.         int mid = (low+high)/2;
  16.  
  17.         if(arr[mid] >= x){
  18.             ans = mid;
  19.             high = mid - 1;
  20.         }else{
  21.             low = mid + 1;
  22.         }
  23.     }
  24.  
  25.     cout<<ans<<endl;
  26.  
  27.     return 0;
  28. }
Success #stdin #stdout 0.01s 5308KB
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https://ideone.com/caGZtj
language:
C++ (gcc 8.3)
created:
1 day ago
visibility:
public

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