fork download
copy 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. int ssd(int *arr,int n){
  4.     int l=0,r=n-1;
  5.     while(l<r){
  6.         int m=(l+r)/2;
  7.         if(arr[m]==arr[m^1])
  8.             l=m+1;
  9.         else
  10.             r=m;
  11.     }
  12.     return arr[l];
  13. }
  14.  
  15. int main(){
  16.     int arr[]={1,1,2,2,3,3,4,5,5};
  17.     int n=9;
  18.     cout<<ssd(arr,n);
  19.     return 0;
  20. }
  21.  
Success #stdin #stdout 0.01s 5300KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
4
https://ideone.com/ZUdfKm
language:
C++ (gcc 8.3)
created:
4 days ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!