All Permutations
Given a string,the task is to print all the permutations of the string. A permutation is a rearrangement of the elements of an ordered list S.A string of length...
Tag: backtracking
N Queens Problem (Backtracking)
Given a chess board of size n*n,the task is to find all the ways to place n queens so that they don’t attack each other. In chess, a queen can move as far...