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  1. #include <iostream>
  2. #include <cctype>
  3.  
  4. int main()
  5. {
  6.   char c;
  7.   while ( std::cin.get( c ) && c != '|' )
  8.   {
  9.     if ( !std::isdigit( c ) )
  10.       continue;
  11.  
  12.     std::cin.putback( c );
  13.  
  14.     int i, j;
  15.     if ( std::cin >> i >> j )
  16.       std::cout << i << ' ' << j << std::endl;
  17.     else
  18.       std::cin.clear();
  19.   }
  20.  
  21.   return 0;
  22. }
  23.  
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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this line will be ignored for it is not a stop character nor a pair of numbers
123 <- won't be printed: not a pair of numbers
456 789 <- will be printed
| this will break the loop
901 234 <- won't be printed: we left the loop
stdout
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456 789
https://ideone.com/iDJ5Ct
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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