Using pumping lemma, which of the following cannot be proved as ‘not a Context Free Language’?

a. all of the mentioned
b. {aibici|i>=0}
c. {ss|s∈{a, b}*}
d. none of the mentioned

Reading characters and strings from the keyboard: consider the following c++ program 1. #include 2. #include 3. using namespace std; 4. mystring1 5. 6. int main() 7. { 8. 9. string mystring1, mystring2; mychar1 10. 11. 12. char mychar1, mychar2; 13. 14. cout< < "enter a string: "; mychar2 15. 16. cin> > mystring1; // 17. cin. get(mychar1); 18. cin> > mychar2; 19. getline(cin, mystring2); mystring2 20. 21. 22. cout<

What kind of software users of all skill levels create web pages that include graphics, video, audio, animation, and other special effects? website authoring website software website publishing website editing

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