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  1. #include<bits/stdc++.h>
  2. #include<vector>
  3. #include<iterator>
  4. #include<algorithm>
  5. using namespace std;
  6. int main ()
  7. {
  8.   int n,i,s,s1;
  9.   cin>>n;
  10.   int a[n];
  11.   for(i=0;i<n;i++)
  12.   {
  13.       cin>>a[i];
  14.   }
  15.   vector<int>v(a,a+n);
  16.   vector<int>:: iterator it;
  17.   vector<int>:: iterator it1;
  18.  
  19.   //lower_bound
  20.  
  21.   cout<<"enter number"<<endl;
  22.   cin>>s;
  23.    it=lower_bound(v.begin(),v.end(),s);
  24.  
  25.   if(*it!=s){
  26.         cout<<s<<" "<<"not found"<<endl;
  27.   }
  28.    else
  29.     {
  30.     cout<<*it<<" "<<"found"<<endl;
  31.     cout<<distance(v.begin(),it)<<endl;
  32.   }
  33.  
  34.   //upper_bound
  35.  
  36.   cout<<"enter number"<<endl;
  37.   cin>>s1;
  38.    it1=upper_bound(v.begin(),v.end(),s1);
  39.   it1--;
  40.  
  41.   if(*it1!=s1){
  42.         cout<<s1<<" "<<"not found"<<endl;
  43.   }
  44.    else
  45.     {
  46.     cout<<*it1<<" "<<"found"<<endl;
  47.     cout<<distance(v.begin(),it1)<<endl;
  48.   }
  49.  
  50.  
  51. }
  52.  
  53.  
Success #stdin #stdout 0s 4324KB
comments (?)
stdin
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5
1 3 4 5 6
3
5
stdout
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enter number
3 found
1
enter number
5 found
3
https://ideone.com/fW5s1v
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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