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  1. /*
  2. * @Author: hungeazy
  3. * @Date:   2026-03-04 23:24:15
  4. * @Last Modified by:   hungeazy
  5. * @Last Modified time: 2026-03-16 21:33:44
  6. */
  7. #include <bits/stdc++.h>
  8. using namespace std;
  9.  
  10. int main()
  11. {
  12.     string s;
  13.     getline(cin,s);
  14.     while (s[0] == ' ') s.erase(0,1);
  15.     while (s.back() == ' ') s.erase(s.size()-1,1);
  16.     int i = 0;
  17.     while (i < s.size())
  18.     {
  19.         while (s[i] == ' ' and s[i+1] == ' ') s.erase(i,1);
  20.         i++;
  21.     }
  22.     s += ' ';
  23.     int ans = 0;
  24.     for (int i = 0; i < s.size(); i++)
  25.         if (s[i] == ' ') ans++;
  26.     cout << ans;
  27.     return 0;
  28. }
Success #stdin #stdout 0s 5316KB
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https://ideone.com/jEmScx
language:
C++14 (gcc 8.3)
created:
13 hours ago
visibility:
public

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