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Practice for cracking any coding interview
Coding questions in this article are difficulty wise ordered. The idea of this post is to target two types of people. Competitive Programming Preparation (For… Read More »
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Must Do Coding Questions for Companies like Amazon, Microsoft, Adobe, …
As the placement season is back so are we to help you ace the interview. We have selected some most commonly asked and must do… Read More »
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How to prepare for GATE CSE – 2019
GATE(Graduate Aptitude Test in Engineering) is one the most important and in-demand entrance exam for engineering graduates in our country. M.Tech. in Computer Science is… Read More »
Index with Minimum sum of prefix and suffix sums in an Array
Given an Array of integers. The task is to find the index in the array at which the value of prefixSum(i) + suffixSum(i) is minimum.… Read More »
Python | Check whether given key already exists in a dictionary
Given a dictionary in Python, write a Python program to check whether a given key already exists in a dictionary. If present, print “Present” and… Read More »
Multiplication of two polynomials using Linked list
Given two polynomials in the form of linked list. The task is to find the multiplication of both polynomials. Examples: Input: Poly1: 3x^2 + 5x^1… Read More »
Find the count of palindromic sub-string of a string in its sorted form
Given a string str consisting of lowercase English alphabets, the task is to find the total number of palindromic sub-strings present in the sorted form… Read More »
Difference Between Daemon Threads and User Threads In Java
In Java, there are two types of threads: Daemon Thread User Thread Daemon threads are low priority threads which always run in background and user… Read More »
Format Specifiers in Java
Format specifiers begin with a percent character (%) and terminate with a “type character,” which indicates the type of data (int, float, etc.) that will… Read More »
Maximum sum and product of the M consecutive digits in a number
Given a number in the form of a string. The task is to find the maximum sum and product of m consecutive digits that are… Read More »
Smallest number greater than or equal to N divisible by K
Given a number N and a number K, the task is to find the smallest number greater than or equal to N which is divisible… Read More »
Remove all occurrences of an element from Array in Java
Given an array and a key, the task is to remove all occurrences of the specified key from the array in Java. Examples: Input: array… Read More »
Largest N digit number divisible by given three numbers
Given four integers x, y, z and n, the task is to find the largest n digit number which is divisible by x, y and… Read More »
Graph Types and Applications
Prerequisite: Graph Theory Basics – Set 1, Graph Theory Basics – Set 2 A graph G = (V, E) consists of a set of vertices… Read More »
Minimum number of elements to be removed so that pairwise consecutive elements are same
Given a string str. The task is to count the minimum number of elements to be removed so that pairwise consecutive elements are same Examples:… Read More »
Count the number of vowels occurred in the substrings of given string
Given a string of length N of lowercase characters containing 0 or more vowels, the task is to find the count of vowels occurred in… Read More »
Minimize the value of N by applying the given operations
Given an integer N, below operations can be performed any number of times on N: Multiply N by any positive integer X i.e. N =… Read More »
Check if frequency of character in one string is a factor or multiple of frequency of same character in other string
Given two strings, the task is to check whether the frequencies of a character(for each character) in one string is a multiple or a factor… Read More »