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Tag Archives: Algorithms-Recursion

Recursion is a mechanism when a function calls itself again and again till the required condition is met. When the function call statement is written… Read More
A linked list L0 -> L1 -> L2 -> ….. -> LN can be folded as L0 -> LN -> L1 -> LN – 1… Read More
Given a Binary Tree, the task is to print the zigzag order of the tree.Examples:   Input : 7 / \ 6 5 / / 4… Read More
Given a range [L, R] where L ≤ R, the task is to generate a random permutation of the sequence [L, L + 1, L… Read More
A program is called recursive when an entity calls itself. A program is call iterative when there is a loop (or repetition).Example: Program to find… Read More
Given a linked list, the task is to print the product of alternate nodes of the given linked list. Examples:  Input : 1 -> 8… Read More
Given a linked list, the task is to print the sum of the alternate nodes of the linked list. Examples:  Input : 1 -> 8… Read More
Given a rooted tree and not necessarily binary. The tree contains N nodes, labeled 1 to N. You are given the tree in the form… Read More
Given a number and two digits and . The task is to find the least number not less than N which contains the equal number of digits A… Read More
Given a number N, the task is to find the number of ways N can be partitioned, i.e. the number of ways that N can… Read More
Let an be a sequence of numbers, which is defined by the recurrence relation a1=1 and an+1/an=2n. The task is to find the value of… Read More
Given a Binary Tree as shown below. The task is to count all pair of adjacent nodes whose XOR is an odd number.  Explanation:  Initially,… Read More
Given a singly linked list. The task is to find the sum of nodes of the given linked list.  Task is to do A +… Read More
Given two binary trees. The task is to write a program to check if the two trees are identical in structure.  In the above figure… Read More
Given two jugs with the maximum capacity of m and n liters respectively. The jugs don’t have markings on them which can help us to… Read More

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