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Recursive program to generate power set
Given a set represented as string, write a recursive code to print all subsets of it. The subsets can be printed in any order. Examples:… Read More »
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Queries for number of array elements in a range with Kth Bit Set
Given an array of N positive (32-bit)integers, the task is to answer Q queries of the following form: Query(L, R, K): Print the number of… Read More »
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Closest product pair in an array
Given an array of non negative integers and a number x, find a pair in array whose product is closest to x. Examples : Input… Read More »
Goldman Sachs Interview Experience | Set 41
Round 1: Hackerrank Round 1: Related to find the total number of common digits in some range of numbers. 2: Knapsack problem variation, and expected… Read More »
Print all pairs with given sum
Given an array of integers, and a number ‘sum’, print all pairs in the array whose sum is equal to ‘sum’. Examples: Input : arr[]… Read More »
Python | Plotting Data on Google Map using pygmaps package
pygmaps is a matplotlib-like interface to generate the HTML and javascript to render all the data user would like on top of Google Maps. Command… Read More »
Writing a CSV file in Java using OpenCSV
A Comma-Separated Values (CSV) file is just a normal plain-text file, store data in a column by column, and split it by a separator (e.g… Read More »
Introduction to Hadoop
What is Hadoop? Hadoop is an open source software programming framework for storing a large amount of data and performing the computation. Its framework is… Read More »
Multiply the given number by 2 such that it is divisible by 10
Given a number, the only operation allowed is to multiply the number by 2. Calculate the minimum number of operations to make the number divisible… Read More »
Check if a string can be formed from another string using given constraints
Given two strings S1 and S2(all characters are in lower-case). The task is to check if S2 can be formed from S1 using given constraints:… Read More »
Program to find greater value between a^n and b^n
Given three integers a, b and n, the task is to find out greater value between an and bn. Examples: Input: a = 3, b… Read More »
Java AWT | WindowStateListener
WindowStateListener is a part of java.awt.event package. It is an interface to handle window state events. This interface returns an event when the frame or… Read More »
BigInteger negate() Method in Java
Prerequisite: BigInteger Basics The java.math.BigInteger.negate() method returns a BigInteger whose value is (- this). negate() method will change the singned bit of BigInteger. Syntax: public… Read More »
Character.isSupplementaryCodePoint() Method in Java
The java.lang.Character.isSupplementaryCodePoint(int codePoint) is an inbuilt method in java that determines whether the specified character (Unicode code point) is in the supplementary character range. Syntax:… Read More »
Character.isUnicodeIdentifierPart() Method in Java with Examples
The java.lang.Character.isUnicodeIdentifierPart() is an inbuilt method in java that determines if the specified character may be part of a Unicode identifier as other than the… Read More »
Character.offsetByCodePoints() Method in java
The Character.offsetByCodePoints(CharSequence seq, int index, int codePointOffset) is an inbuilt method in java that returns the index within the given char sequence that is offset… Read More »
Character.offsetByCodePoints() in Java with Examples
The Character.offsetByCodePoints(char[] a, int start, int count, int index, int codePointOffset) is an inbuilt method in Java that returns the index within the given char… Read More »
atol(), atoll() and atof() functions in C/C++
atol(): This function converts a C-type string, passed as an argument to function call, to a long integer. It parses the C-string str interpreting its… Read More »