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  1. /* (C) WhiZTiM 2013 */
  2. #include <iostream>
  3. #include <string>
  4. #include <cstring>
  5. #include <vector>
  6.  
  7. using namespace std;
  8. typedef string::size_type szT;
  9. typedef vector<string> VEC_string;
  10.  
  11. void strip_common_characters(string& A, string& B)
  12. {
  13.     //choose the shortest string to save iteration time
  14. 	string& S1 = A.size() <= B.size() ? A : B;	//by reference!
  15. 	string& S2 = A.size() > B.size() ? A : B;	//by reference!
  16. 	szT i = 0;
  17. 	while(i < S1.size())
  18. 	{
  19. 		bool found = false;
  20. 		szT lc = S2.find(S1[i]);
  21. 		if(lc != string::npos) found = true;
  22. 		else
  23. 		{
  24. 			lc = S2.find(tolower(S1[i]));
  25. 			if(lc != string::npos) found = true;
  26. 		}
  27. 		if(found)
  28. 		{
  29. 			S1.erase(i, 1);
  30. 			S2.erase(lc,1);
  31. 			continue;
  32. 		}
  33. 		++i;
  34. 	}
  35. }
  36.  
  37. void instantiateMap(VEC_string& mp)
  38. {
  39. 	mp.push_back("Friends");
  40. 	mp.push_back("Lovers");
  41. 	mp.push_back("Admirers");
  42. 	mp.push_back("Married");
  43. 	mp.push_back("Enemies");
  44. 	mp.push_back("Sisters");
  45. }
  46.  
  47. void run()
  48. {
  49. 	string s1, s2, s3, s4;
  50. 	getline(cin, s1);
  51. 	getline(cin, s2);
  52. 	s3 = s1; s4 = s2;
  53.  
  54. 	VEC_string mp;
  55. 	instantiateMap(mp);
  56.  
  57. 	strip_common_characters(s1, s2);
  58. 	unsigned k = s1.size() + s2.size();
  59. 	k = (k - 1) < 0 ? 0 : ((k - 1) % mp.size());
  60.  
  61. 	cout << s3 << " and " << s4 << " are " << mp[k] << endl;
  62. }
  63.  
  64. int main(int argc, char* argv[])
  65. {
  66. 	run();
  67. 	return 0;
  68. }
  69.  
Success #stdin #stdout 0s 2992KB
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Elvis
Lois
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Elvis and Lois are Admirers
https://ideone.com/T2RerE
Requires at least two input lines
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

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