abstract class computer science lab work

Lab

Consider the following abstract class:
class NumberSeq {
 public:
 virtual int find(int k)=0;
 void printSeq(int k, int l); // print the number from index k to index l
}; 
Write the implementation of printSeq() at the base class only as well as the OddSeq and EvenSeq derived classes that implement find() method, which returns the kth odd or even number, respectively, depending on the derived class being used.
Note:
• Even numbers: 2*k, where k is the index of the kth even number
• Odd numbers: 2*k-1, where k is the index of the kth odd number

 
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