C++ Programming-Write a program to print all permutations of a given string – Searching and Sorting – A permutation, also called an “arrangement number” or “order,” is a rearrangement of the elements of an ordered list S into a one-to-one correspondence with S itself.
permutation program in c
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C program to find ncr and npr – C Programming – C program to find nCr and nPr: This code calculate nCr which is n!/(r!*(n-r)!) and nPr = n!/(n-r)!