## Print all permutations of a string in Java

Given a string str, the task is to print all the permutations of str. A permutation is an arrangement of all or part of a… Read More »

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Given a string str, the task is to print all the permutations of str. A permutation is an arrangement of all or part of a… Read More »

There are 1000 light bulbs and 1000 persons. All light bulbs are initially off. Person 1 goes flipping light bulb 1, 2, 3, 4, …… Read More »

Given n, r and K. The task is to find the number of permutations of different things taken at a time such that specific things… Read More »

Given a positive integer N and K where and . The task is to check whether any permutation of digits of N equals any power… Read More »

Given two arrays A and B of equal size. The task is to print any permutation of array A such that the number of indices… Read More »

Given a string ‘s’ and a character ‘c’, the task is to find the number of permutations of the string in which all the occurrences… Read More »

Given n companies and m oil mines having values, the task is to distribute the mines among n companies in a fair manner. That is… Read More »

Given two singly Linked list of integer data. The task is to write a program that efficiently checks if two linked lists are permutations of… Read More »

Given two numbers n, r ( n>=r ). The task is to find the value of C(n, r) for big value of n. Examples: Input:… Read More »

Given N, the number of persons. The task is to arrange N person around a circular table. Examples: Input: N = 4 Output: 6 Input:… Read More »

Given N and K. The task is to count the number of the integral solutions of a linear equation having N variable as given below:… Read More »

Given an array of N numbers and an integer K. The task is to print the number of unique subsequences possible of length K. Examples:… Read More »

Given an array of N integers and an integer M. You can change the sign(positive or negative) of any element in the array. The task… Read More »

Given an array of integers and a number K with initial and final values. Your task is to find the minimum number of steps required… Read More »

Given N positions, the task is to count the total number of ways to place X and Y such that no two X are together.… Read More »