* Print 1 to n number without loop. */

* Given string str of a constant length, print a triangle out of it. The triangle should start with the first character of the string and keep growing

Function to print the k numbers with most occurrences

print all the left child elements in binary tree

push element x into the stack*/

Function to get rear of queue

* Given an unsorted array Arr of N positive and negative numbers. Your task is to create an array of alternate positive and negative numbers without c

* Given an array arr[] of positive integers of size N. Reverse every sub-array group of size K. */

Reverse Tree path

'data' is input. We need to reverse path from root to data. 'level' is current level. 'temp' that stores path nodes. 'nextpos' used to pick next item

* */

* Given an array, rotate the array by one position in clock-wise direction. */

Function to rotate a linked list.

* Given a square matrix of size N x N. The task is to rotate it by 90 degrees in anti-clockwise direction without using any extra space. */

function to search the value in an array using interpolation search

Searching

* Given an unsorted array arr[] of size N having both negative and positive integers. The task is place all negative element at the end of array witho