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  1. #include <iostream>
  2. #include <algorithm>
  3. #include <string>
  4.  
  5. bool checkInputNum(std::string strNumber)
  6. {
  7. 	if (std::all_of(strNumber.begin(), strNumber.end(), [](unsigned char chNum) {return isdigit(chNum) || isalpha(chNum);}))
  8. 		return true;
  9.  
  10. 	return false;
  11. }
  12.  
  13. bool IsNumValid(std::string strRule, std::string strNum)
  14. {
  15. 	if (strRule.length() < strNum.length())
  16. 		return false;
  17.  
  18. 	std::string strRevNum(strNum.rbegin(), strNum.rend());
  19. 	std::string strRevRule(strRule.rbegin(), strRule.rend());
  20.  
  21. 	for (unsigned int i = 0 ; i < strRevRule.length() ; ++i)
  22. 	{
  23. 		if (isalpha(strRevRule[i]))
  24. 			continue;
  25.  
  26. 		if (isdigit(strRevRule[i]) && i < strRevNum.length() && strRevRule[i] == strRevNum[i])
  27. 		{
  28. 			continue;
  29. 		}
  30. 		else
  31. 		{
  32. 			return false;
  33. 		}
  34. 	}
  35.  
  36. 	return true;
  37. }
  38.  
  39. int main()
  40. {
  41. 	std::string strMultiplicand, strMultiplier, strAnswer;
  42.  
  43. 	//std::cin >> strMultiplicand;
  44. 	//std::cin >> strMultiplier;
  45. 	//std::cin >> strMultiplier;
  46.  
  47. 	strMultiplicand = "a1b2";
  48. 	strMultiplier = "3c";
  49. 	strAnswer = "4d5ef";
  50.  
  51. 	for (int i = 0 ; std::to_string(i).length() <= strMultiplicand.length() ; ++i)
  52. 	{
  53. 		if (!IsNumValid(strMultiplicand, std::to_string(i)))
  54. 			continue;
  55.  
  56. 		for (int j = 0 ; std::to_string(j).length() <= strMultiplier.length() ; ++j)
  57. 		{
  58. 			if (!IsNumValid(strMultiplier, std::to_string(j)))
  59. 				continue;
  60.  
  61. 			if (IsNumValid(strAnswer, std::to_string(i*j)))
  62. 			{
  63. 				std::cout << i << " * " << j << " = " << i*j << std::endl;
  64. 			}
  65. 		}
  66. 	}
  67.  
  68. 	system("PAUSE");
  69. 	return 0;
  70. }
  71.  
Success #stdin #stdout #stderr 0s 16064KB
comments (?)
stdin
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Standard input is empty
stdout
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1122 * 37 = 41514
1142 * 39 = 44538
1172 * 38 = 44536
1182 * 36 = 42552
1192 * 34 = 40528
stderr
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sh: 1: PAUSE: not found
https://ideone.com/QRvqAA
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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