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  1. #include <iostream>
  2. #include <iomanip>
  3. #include <sstream>
  4. #include <string>
  5.  
  6. int main()
  7. {
  8.     std::cout << std::fixed << std::setprecision(2);
  9.     std::string line;
  10.     std::getline(std::cin, line);
  11.     std::istringstream input(line);
  12.     double sum = 0;
  13.     int num = 0;
  14.     double n;
  15.     while(input >> n) {
  16.         sum += n;
  17.         ++num;
  18.     }
  19.     double avg = sum/num;
  20.     std::cout << avg << '\n';
  21. }
Success #stdin #stdout 0s 3432KB
comments (?)
stdin
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2 4.5 7
3 //should not be included
stdout
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4.50
https://ideone.com/3NXnk4
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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