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  1. #include <iostream>
  2. #include <string>
  3.  
  4. using namespace std;
  5.  
  6. //class declaration
  7. class Nucleus{
  8. private:
  9.  string _DNA_strand{"ABCADDASDASABCAFGDACCACABCDA"};
  10.  
  11. public:
  12.     const string get_codon(){return _DNA_strand;} //accessor of private variable
  13.     unsigned int get_num_of_codon_appearances(const string& _DNA_strand, const string& ) const;
  14. };
  15.  
  16. //Function  to return the number of times a string is found within another string.
  17. unsigned int Nucleus::get_num_of_codon_appearances(const string& codon, const string& c) const
  18. {
  19.     unsigned int count = 0; //sets count
  20.     size_t counter = 0; //sets counter
  21.     while (counter != string::npos) // if counter does not equal string no position
  22.     {
  23.             size_t i = counter + c.length(); // sets i to counter + length of searched for object
  24.             counter = codon.find(c, i); // .find() method 
  25.             count++;
  26.     }
  27.     return count;
  28. }
  29.  
  30. //Main Function
  31. int main()
  32. {
  33.     Nucleus temp;
  34.     const string codon = temp.get_codon();
  35.     const string c = "ABC";
  36.  
  37.     cout << "The Number of times " << c << " is found in " 
  38.     << temp.get_codon() << " is: " << temp.get_num_of_codon_appearances(codon, c) << endl;
  39.  
  40.     return 0;   
  41. }
  42.  
Success #stdin #stdout 0s 15240KB
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The Number of times ABC is found in ABCADDASDASABCAFGDACCACABCDA is: 3
https://ideone.com/5rXe4h
language:
C++14 (gcc 8.3)
created:
5 years ago
visibility:
public

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