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  1. #include<bits/stdc++.h>
  2. #include<vector>
  3. using namespace std;
  4. int main()
  5. {
  6.     vector<int> a;
  7.    for(int i=0; ;i++)
  8.    {
  9.        int x;
  10.        cin>>x;
  11.        a.push_back(x);
  12.        if(x==-1){
  13.         break;
  14.        }
  15.    }
  16.    vector<int> b;
  17.     for(int i=0;i<a.size();i++){
  18.         int dem=0;
  19.         for(int j=0;j<a.size();j++)
  20.         {
  21.             if(a[i]==a[j]){
  22.                 dem++;
  23.             }
  24.         }
  25.         if(dem==1) b.push_back(a[i]);
  26.         else continue;
  27.     }
  28.     for(int x:b) cout<<x<<" ";
  29.  
  30.     return 0;
  31. }
  32.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin
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2 3 4 1 4 5 2 4 5 6 7 -1
stdout
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3 1 6 7 -1
https://ideone.com/cYYbiG
language:
C++14 (gcc 8.3)
created:
16 hours ago
visibility:
public

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