Java Programming – Print all possible combinations of r elements in a given array of size n – Mathematical Algorithms – Given an array of size n and r is 2.
combination of numbers
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Backtracking Set 4 (Subset Sum) – Backtracking – Subset sum problem is to find subset of elements that are selected from a given set whose sum adds up.
C++ Programming for Write a program to print all permutations of a given string – Mathematical Algorithms -A permutation also called an “arrangement number”