fork download
copy 
  1. #include<bits/stdc++.h>
  2. using namespace std;
  3. set<long long>s;
  4. long long n;
  5. int main()
  6. {
  7.     cin>>n;
  8.     for(int i=1;i<=n;i++)
  9.     {
  10.         long long x;
  11.         cin>>x;
  12.         while(x)
  13.         {
  14.             s.insert(x%10);
  15.             x=x/10;
  16.         }
  17.     }
  18.     for(long long x : s) cout<<x<<" ";
  19. }
  20.  
Success #stdin #stdout 0.01s 5532KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/yZNPMQ
language:
C++14 (gcc 8.3)
created:
1 year 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!