Category: Beginner

17

Dynamic Programming – Stairs Climbing Puzzle

Objective: A child is climbing up a staircase with n steps, and can hop either 1 step, 2 steps, or 3 steps at a time. Implement a method to count how many possible ways...

10

Introduction To Dynamic Programming – Fibonacci Series

What is Dynamic Programming: Dynamic programming is a technique to solve the recursive problems in more efficient manner. Many times in recursion we solve the sub-problems repeatedly. In dynamic programming we store the solution...

2

Find a Number occurring odd number of times in a Given array

Objective: Given a array of integers, in which every elements occurs even number of times except one number which occurs add number of times. Find out that number. Example:   int[] A = {...

0

Find a Missing Number From a Sequence of Consecutive Numbers | XOR Method

Input:  Array, arrA[] with a miss­ing num­ber and Range Out­put : miss­ing number Example: int A[] = { 1, 2, 7, 6, 3, 4 }; int range = 7; Output: MIssing No is :5 In...

4

Find the Max element in a Given Binary Tree

Objective: – Given a binary tree , Find the max element in it. Example: Approach: Use Recursion. Max will the Max(root, max element in left subtree, max element in rightsubtree) Recursively solve for max...

0

Print All The Full Nodes in a Binary Tree

Objective: Given a binary tree, print all nodes will are full nodes. Full Nodes: Nodes Which has both the children, left and right are called Full Nodes Approach: quite simple Solution. Do the any...

0

Find numbers which are palindrome in both their decimal and octal Representations

Objective: Given a range of integers, find all the numbers which are palindrome when they are represented in Decimal Value( base 10) and in Octal value(base 8). Example : Number : 373 (Decimal) and...

0

Construct a Special Triangle from a Given Array

Objective: Given an array of integers such that first level will print all the elements in the array and from then at each level number of elements will be one less than the previous...

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