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Gblog SDE SHEET – A Complete Guide for SDE Preparation
What is SDE Sheet? SDE Sheet is a list of the most important topics or the most popular questions that are asked in the Software… Read More
Given a 4 x 4 matrix, we have to interchange the elements of first and last row and show the resulting matrix.Examples :   Input :… Read More
This article describes a Client and Server setup where a Client connects, sends a string to server and the server shows the original string and… Read More
Predict the output of the following PHP programs: Question 1 <?php     $num = "123";     if (!filter_var($num, FILTER_VALIDATE_INT))         echo("Hello");     else         echo("Welcome to GeeksforGeeks"); ?> Options: No… Read More
Given an array of size n. The problem is to find the longest sub-array having exactly k odd numbers.Examples:   Input : arr[] = {2, 3,… Read More
Given a n x n matrix. The problem is to sort the given matrix in strict order. Here strict order means that matrix is sorted… Read More
Cloud Computing can be defined as the practice of using a network of remote servers hosted on the Internet to store, manage, and process data,… Read More
Given a linked list, split the linked list into two with alternate nodes.Examples:   Input : 1 2 3 4 5 6 7 Output : 1… Read More
Given a binary tree, find the largest value in each level.Examples :   Input : 1 / \ 2 3 Output : 1 3 Input :… Read More
Check if a Binary Tree (not BST) has duplicate valuesExamples:   Input : Root of below tree 1 / \ 2 3 \ 2 Output :… Read More
JavaScript uses 3 kind of dialog boxes : ALERT, PROMPT and CONFIRM. These dialog boxes can be of very much help for making our website… Read More
Given an array of n integers sorted in ascending order, write a function that returns a Fixed Point in the array, if there is any… Read More
Write a Java program to take an input string and exchange the first and last word and reverse the middle word. Examples:  Input : Hello… Read More
Given a linked list, print the alternate nodes of linked list. Examples: Input : 1 -> 8 -> 3 -> 10 -> 17 -> 22… Read More
Classes are data types. They are an expanded concept of structures, they can contain data members, but they can also contain functions as members whereas… Read More
Digital Image Processing means processing digital image by means of a digital computer. We can also say that it is a use of computer algorithms,… Read More

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