All Basic Articles

Replace every element of the array by product of all other elements

Given an array of positive integers. Replace every element by the product of all other elements of the array. Examples: Input : arr[] = {… Read More

Arrays

Technical Scripter 2018

Arrays

DSA

Mathematical

Technical Scripter

Python program to check if a string contains all unique characters

To implement an algorithm to determine if a string contains all unique characters. Examples: Input : s = “abcd” Output: True “abcd” doesn’t contain any duplicates. Hence… Read More

Technical Scripter 2018

Algorithms

DSA

Technical Scripter

Find array elements with frequencies in range [l , r]

Given an array of integers, find the elements from the array whose frequency lies in the range [l, r]. Examples: Input : arr[] = {… Read More

frequency-counting

Technical Scripter 2018

Arrays

DSA

Hash

Searching

Technical Scripter

Replace every elements in the array by its frequency in the array

Given an array of integers, replace every element by its frequency in the array. Examples: Input : arr[] = { 1, 2, 5, 2, 2,… Read More

cpp-unordered_map

frequency-counting

Technical Scripter 2018

Arrays

DSA

Hash

Technical Scripter

Get first and last elements from Array and Vector in CPP

Given an array, find first and last elements of it. Input: {4, 5, 7, 13, 25, 65, 98} Output: First element: 4 Last element: 98… Read More

cpp-vector

STL

C++

Remove elements that appear strictly less than k times

Given an array of integers, remove all the elements which appear strictly less than k times. Examples: Input : arr[] = {1, 2, 2, 3,… Read More

cpp-unordered_map

Technical Scripter 2018

Arrays

DSA

Hash

Searching

Technical Scripter

Remove duplicates from unsorted array using Map data structure

Given an unsorted array of integers, print the array after removing the duplicate elements from it. We need to print distinct array elements according to… Read More

cpp-unordered_map

Technical Scripter 2018

Arrays

DSA

Hash

Technical Scripter

Remove elements from the array which appear more than k times

Given an array of integers, remove all the occurrences of those elements which appear strictly more than k times in the array.Examples: Input : arr[]… Read More

cpp-unordered_map

frequency-counting

Technical Scripter 2018

Arrays

Competitive Programming

DSA

Hash

Searching

Technical Scripter

Finding Mean, Median, Mode in Python without libraries

In this article, we will learn how to calculate Mean, Median, and Mode with Python without using external libraries. 1. Mean: The mean is the… Read More

Technical Scripter 2018

Technical Scripter

Mutable vs Immutable Objects in Python

In Python, Every variable in Python holds an instance of an object. There are two types of objects in Python i.e. Mutable and Immutable objects.… Read More

Technical Scripter 2018

Technical Scripter

Structuring Python Programs

In this article, you would come to know about proper structuring and formatting your python programs. Python Statements In general, the interpreter reads and executes… Read More

Picked

Python

Python String rstrip() Method

Python String rstrip() method returns a copy of the string with trailing characters removed (based on the string argument passed). If no argument is passed,… Read More

python-string

Python-string-functions

Python

Equation of circle from center and radius

Given the center of circle (x1, y1) and its radius r, find the equation of the circle having center (x1, y1) and having radius r.Examples: … Read More

circle

DSA

Geometric

Mathematical

Python dictionary (Avoiding Mistakes)

What is dict in python ? Python dictionary is similar to hash table in languages like C++. Dictionary are used to create a key value pair… Read More

python-dict

Python

Technical Scripter

Destructors in Python

Constructors in PythonDestructors are called when an object gets destroyed. In Python, destructors are not needed as much as in C++ because Python has a… Read More

Picked

Python

Check if it is possible to rearrange a binary string with alternate 0s and 1s

Given a binary string of length, at least two. We need to check if it is possible to rearrange a binary string such that there… Read More

binary-string

DSA

Strings

Program to Print Pyramid Pattern using numbers

Given a number N denoting the number of rows. The task is to print the zigzag pattern with N rows as shown in the below… Read More

Technical Scripter 2018

Technical Scripter

Change an HTML5 input placeholder color with CSS

The placeholder selector in the CSS pseudo-element is used to design the placeholder text by changing the text color and it allows to modify the… Read More

HTML-Questions

HTML5

Picked

Technical Scripter 2018

HTML

Technical Scripter

Web Technologies

Reverse an array in Java

Given an array, the task is to reverse the given array in Java. Examples: Input : 1, 2, 3, 4, 5 Output :5, 4, 3,… Read More

Picked

Technical Scripter 2018

Java

Technical Scripter

Min and Max in a List in Java

Given an unsorted list of integers, find maximum and minimum values in it. Input : list = [10, 4, 3, 2, 1, 20] Output :… Read More

java-LinkedList

Java-List-Programs

Technical Scripter 2018

DSA

Java

Linked List

Technical Scripter