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  1. #include <iostream>
  2. #include <regex>
  3. using namespace std;
  4.  
  5. int main() {
  6. 	regex r(R"((\d+)(\w+)\s+(\w+)\s*-\s*(\d+)(\w+)\s+(\w+))");
  7. 	smatch m;
  8.  
  9. 	string line;
  10. 	while(getline(cin, line)){
  11. 		if(regex_search(line, m, r))
  12. 			cout 
  13. 				<< "amount: "      << m[1] << endl
  14. 				<< "mass metric: " << m[2] << endl
  15. 				<< "food: "        << m[3] << endl
  16. 				<< "---"                   << endl
  17. 				<< "amount: "      << m[4] << endl
  18. 				<< "mass metric: " << m[5] << endl
  19. 				<< "goodness: "    << m[6] << endl;
  20. 	}
  21. 	return 0;
  22. }
Success #stdin #stdout 0s 3324KB
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stdin
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1g brocoils - 5g carbohydrates
stdout
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amount: 1
mass metric: g
food: brocoils
---
amount: 5
mass metric: g
goodness: carbohydrates
https://ideone.com/y7fnmw
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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