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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3.  
  4. string s, s1;
  5.  
  6. int main()
  7. {
  8.     while(cin >> s1)
  9.     {
  10.         s = s + s1 + " ";
  11.     }
  12.     if(s[0] >= 'a' && s[0] <= 'z')
  13.         s[0] = s[0] - 32;
  14.     int n = s.size();
  15.     s.erase(n-1, 1);
  16.     n--;
  17.     for(int i = 1; i < n; i++)
  18.         if(s[i] >= 'A' && s[i] <= 'Z')
  19.             s[i] = s[i] + 32;
  20.     cout << s;
  21.     return 0;
  22. }
  23.  
Success #stdin #stdout 0s 5316KB
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      this  Is       AN       exAMple
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This is an example
https://ideone.com/3xjRbW
language:
C++14 (gcc 8.3)
created:
7 hours ago
visibility:
public

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