DATA STRUCTURE Programming and Technical Programming Technical

A palindrome is a string that reads the same forward and backward. An integer is called prime-palindromic if it is possible to construct a palindrome by concatenating all of its prime factors (without leading zeros). Each prime factor should be used as many times as its power in factorization. 48 is prime-palindromic because its prime factors are 2, 2, 2, 2, 3 (2 should be used 4 times, 3 should be used once) and we can obtain the palindrome 22322. 2261 is prime-palindromic also because its prime factors are 7, 17, and 19, which can be concatenated to form the palindrome 71917 33 is also not prime-palindromic (its prime factors are 3 and 11). Write a program which takes a number from user and then calls a function to extract the prime factors in an array(declare an array of max size 100 and then initialize them to some dummy value).Now write a recursive function to form all possible permutations from these factors and then if any of these permutations is a palindrome then your original number is prime palindromic. ((write recursive function to check palindromes and get permutations)

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DATA STRUCTURE Other Question

if all the given elements in a array is same then what is the time complexity of the Heap Sort. The best average behaviour is shown by
(A) Quick Sort (B) Merge Sort
(C) Insertion Sort (D) Heap Sort