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  1. #include <iostream>
  2. #include <string>
  3. #include <vector>
  4. #include <cstring>
  5.  
  6. using namespace std;
  7.  
  8. vector<string> split(string s) {
  9. 	vector<string> words;
  10. 	string word = "";
  11. 	int l = s.length();
  12. 	for (int i = 0; i < l; ++i) {
  13. 		if (s[i] != ' ') {
  14. 			word += s[i];
  15. 		}
  16. 		if (s[i] == ' ') {
  17. 			words.push_back(word);
  18. 				word = "";
  19. 		}
  20. 	}
  21. 	return words;
  22. }
  23.  
  24.  
  25. vector<string> missingWords(string s, string t) {
  26.     vector<string> s1 = split(s);
  27.     vector<string> s2 = split(t);
  28.     vector<string> returns ;
  29.  
  30.     int j=0, i=0;
  31.  
  32.     while(i<s1.size()){
  33.         while(j<s2.size()){
  34.             if(s1[i] == s2[j]){
  35.                 i++;
  36.                 j++;
  37.             }
  38.             if(s1[i] != s2[j]){
  39.                 returns.push_back(s1[i]);
  40.                 i++;
  41.             }
  42.  
  43.         }
  44.  
  45.     }
  46.  
  47.  
  48.     return returns;
  49. }
  50.  
  51.  
  52.  
  53.  
  54. int main()
  55. {
  56.     string s="I am using hackerrank to improve programming";
  57.     string s2 = "am hackerrank to improve";
  58.  
  59.     vector<string> s4 = missingWords(s,s2);
  60.  
  61.     for(int i = 0; i<s4.size() ; i++){
  62.         cout << s4[i] << " ";
  63.     }
  64.  
  65.     return 0;
  66. }
  67.  
Success #stdin #stdout 0s 15240KB
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Standard input is empty
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I using improve
https://ideone.com/cofqGU
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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