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  1. #include <iostream>
  2. #include <bits/stdc++.h>
  3. using namespace std;
  4.  
  5. int findIndex(vector<int>nums,int target){
  6.     int n=nums.size();
  7.     int ans=-1;
  8.     int low=0;
  9.     int high=n-1;
  10.  
  11.     while(low<=high){
  12.         int mid=(low+high)/2;
  13.         if(nums[mid]>target){
  14.             ans=nums[mid];
  15.             high=mid-1;
  16.         }
  17.         else{
  18.             low=mid+1;
  19.         }
  20.     }
  21.     return ans;
  22. }
  23. int main(){
  24.     int n;
  25.     cin>>n;
  26.     vector<int>nums(n);
  27.     for(int i=0;i<n;i++){
  28.         cin>>nums[i];
  29.     }
  30.     int target;
  31.     cin>>target;
  32.     int index=findIndex(nums,target);
  33.     cout<<"The smallest element greater than given target: "<<index<<endl;
  34.     return 0;
  35. }
Success #stdin #stdout 0.01s 5316KB
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stdin
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5
1 2 3 4 5
3
stdout
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The smallest element greater than given target: 4
https://ideone.com/epiafy
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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