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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. string s, s1;
  4.  
  5. int main()
  6. {
  7.     while(cin >> s)
  8.     {
  9.         s1 += s + ' ';
  10.     }
  11.     int n = s1.size();
  12.     s1.erase(n-1, 1);
  13.     cout << s1 << endl;
  14. }
  15.  
Success #stdin #stdout 0s 5316KB
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https://ideone.com/IZ2s4Y
language:
C++14 (gcc 8.3)
created:
10 days ago
visibility:
public

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