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  1. #include <iostream>
  2.  
  3. int main()
  4. {
  5.     std::cout << "please enter numbers to add seperated by a '+'\n"
  6.                   "and end with a zero. for example: 12.6 + 5.4 + 9.2 + 0\n? "  ;
  7.  
  8.     float sum = 0.0 ;
  9.     float number ;
  10.     char c ;
  11.  
  12.     while( std::cin >> number && number != 0  && std::cin >> c && c == '+' )
  13.         sum += number ;
  14.  
  15.     std::cout << "sum is: " << sum << '\n' ;
  16. }
  17.  
Success #stdin #stdout 0s 3432KB
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stdin
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12.6 + 5.4 + 9.2 + 0.0
stdout
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please enter numbers to add seperated by a '+'
and end with a zero. for example: 12.6 + 5.4 + 9.2 + 0
? sum is: 27.2
https://ideone.com/5xxsuI
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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