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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <cmath>
  4. #include <vector>
  5. #include <string>
  6.  
  7. int main()
  8. {
  9. 	double num = 0;
  10. 	double highest = 0;
  11. 	std::string unit = "";
  12. 	std::vector<double> v;
  13. 	std::cout << "Please, input number and a unit (m, cm, in, ft): ";
  14. 	while (std::cin >> num, std::cin >> unit)
  15. 	{
  16. 		std::cout << num << "\t" << unit << std::endl;
  17.  
  18. 		if (unit != "m" || unit != "cm" || unit != "in" || unit != "ft")
  19. 		{
  20. 			std::cout << "Please, input correct unit: m, cm, in, ft." << std::endl;
  21. 			break;
  22. 		}
  23.  
  24. 		if (unit == "m")
  25. 		{
  26. 			num = num * 100;
  27. 		}
  28. 		else if (unit == "in")
  29. 		{
  30. 			num = num * 2.54;
  31. 		}
  32. 		else if (unit == "ft")
  33. 		{
  34. 			num = num * 12 * 2.54;
  35. 		}
  36.  
  37. 		v.push_back(num);
  38.  
  39. 		sort(v.begin(), v.end());
  40. 		for (int i = 0; i < v.size(); i++)
  41. 		{
  42. 			highest = v[i];
  43. 		}
  44. 		std::cout << "The lowest number is: " << v[0] << std::endl
  45. 			<< "The highest number is: " << highest << std::endl
  46. 			<< "The vector size is: " << v.size() << std::endl;
  47. 	}
  48. 	return 0;
  49. }
Success #stdin #stdout 0s 3468KB
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Please, input number and a unit (m, cm, in, ft):
https://ideone.com/iGGnvN
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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