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<regex> library in C++ STL

Main classes These classes encapsulate a regular expression and the results of matching a regular expression within a target sequence of characters. basic_regex: Regular expression… Read More

CPP-regex

STL

C++

Misc

ascii_letters in Python

In Python3, ascii_letters is a pre-initialized string used as string constant. ascii_letters is basically concatenation of ascii_lowercase and ascii_uppercase string constants. Also, the value generated… Read More

ASCII

python-string

Python

IntStream parallel() in Java

IntStream parallel() is a method in java.util.stream.IntStream. This method returns a parallel IntStream, i.e, it may return itself, either because the stream was already present,… Read More

Java - util package

Java-Functions

java-intstream

java-stream

Java

Misc

Stream sorted (Comparator comparator) method in Java

Stream sorted(Comparator comparator) returns a stream consisting of the elements of this stream, sorted according to the provided Comparator. For ordered streams, the sort method… Read More

Java - util package

Java-Functions

java-stream

Java-Stream interface

Java

Misc

Stream sorted() in Java

Stream sorted() returns a stream consisting of the elements of this stream, sorted according to natural order. For ordered streams, the sort method is stable… Read More

Java - util package

Java-Functions

java-stream

Java-Stream interface

Java

Misc

Microsoft Interview Experience | (SDE-2 for 3 Years Experienced)

I had got a call through Naukri Portal . I got interview invite for a weekend drive. Round 1 Hacker rank test : Q1 :… Read More

Microsoft

DSA

Experienced

Experiences

Interview Experiences

Misc

Tree

Stream.distinct() in Java

distinct() returns a stream consisting of distinct elements in a stream. distinct() is the method of Stream interface. This method uses hashCode() and equals() methods… Read More

Java - util package

Java-Functions

java-stream

Java-Stream interface

Java

Misc

Calendar.equals() method in Java

java.util.Calendar.equals() is a method in Calendar class of java.util package. The method compares this Calendar to the specified Object.The method returns true if this object… Read More

date-time-program

Java - util package

Java

Misc

Freivald’s Algorithm to check if a matrix is product of two

Given three matrices A, B and C, find if C is a product of A and B. Examples: Input : A = 1 1 1 1… Read More

Algorithms

DSA

Matrix

Randomized

Find N Geometric Means between A and B

Given three integers A, B and N the task is to find N Geometric means between A and B. WE basically need to insert N… Read More

school-programming

series

DSA

Mathematical

Number of strings of length N with no palindromic sub string

Given two positive integers N, M. The task is to find the number of strings of length N under the alphabet set of size M… Read More

palindrome

Combinatorial

DSA

Strings

Print all triplets in sorted array that form AP

Given a sorted array of distinct positive integers, print all triplets that form AP (or Arithmetic Progression) Examples : Input : arr[] = { 2,… Read More

arithmetic progression

cpp-unordered_set

Arrays

DSA

Hash

Misc

Searching

Count special palindromes in a String

Given a String s, count all special palindromic substrings of size greater than 1. A Substring is called special palindromic substring if all the characters… Read More

palindrome

DSA

Strings

Big O Notation Tutorial – A Guide to Big O Analysis

Big O notation is a powerful tool used in computer science to describe the time complexity or space complexity of algorithms. It provides a standardized… Read More

Algorithms-Analysis of Algorithms

Algorithms

Analysis of Algorithms

DSA

Amazon Interview Experience | Set 424 (For SDE 2)

Round 0: Online Coding Test (90 Min – 4 Coding Questions) Run length encoding Input : aaaaaabb Output : a5b2 Input :aaaaabccc Output :a5bc3 Linked… Read More

Amazon

Experienced

Experiences

Interview Experiences

SQL SERVER | Conditional Statements

While loop: In SQL SERVER, while loop can be used in similar manner as any other programming language. A while loop will check the condition… Read More

SQL-Server

SQL

Find value of y mod (2 raised to power x)

Given two positive integer x and y. we have to find the value of y mod 2x. That is remainder when y is divided by… Read More

Modular Arithmetic

DSA

Mathematical

Number of ordered pairs such that (Ai & Aj) = 0

Given an array A[] of n integers, find out the number of ordered pairs such that Ai&Aj is zero, where 0<=(i,j)<n. Consider (i, j) and… Read More

Bit Algorithms

DSA

Dynamic Programming

Program to print Crown Pattern

Given the value of length, print the crown pattern using ‘*’ and ‘#’. Note : In order to print a perfect crown, take the value of… Read More

Basic Coding Problems

pattern-printing

DSA

Solve the Linear Equation of Single Variable

Given a linear equation, task is to find the value of variable used. The equation contains only ‘+’, ‘-‘ operation, the variable and its coefficient.… Read More

expression-evaluation

DSA

Mathematical