B. Dreamoon Likes Permutations
Check all numbers from 1 to n and for each number return true if no of distinct prime divisor is 2 else return false.
actually my doubt is ki is main permutation bol kise rahe hai
kyon ki permutaion is like abc = acb,bac,bca,cab,cba.
so yahan par test case given hai 1 4 3 2 1 sir ne kahan ki till index 0 we have 1 permutation and at index 3 till we have another permutation how and i didn’t understand it
can you please help me explain this problem