Competitive Programming

2.3k+ posts

Competitive Programming - A Complete Guide

Last Updated: 24 November 2024

Competitive Programming is a mental sport that enables you to code a given problem under provided constraints. The purpose of this article i...read more

DSA

Practice For Cracking Any Coding Interview

Last Updated: 11 March 2025

The coding questions in this article aredifficulty-wise ordered. The idea of this post is to target two types of people.Competitive Programm ...read more

Competitive Programming

DSA

GFG-Practice

Python statistics | mean() function

Last Updated: 14 August 2024

Prerequisite : Introduction to Statistical FunctionsPython is a very popular language when it comes to data analysis and statistics. Luckily ...read more

Python

Competitive Programming

Python-Built-in-functions

DSA

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JavaScript Number toString() Method

Last Updated: 09 January 2025

The toString() method in JavaScript returns a number as a string. It allows converting numerical values to string representations, enabling ...read more

Competitive Programming

Measure execution time of a function in C++

Last Updated: 11 January 2025

We can find out the time taken by different parts of a program by using the std::chrono library introduced in C++ 11. We have discussed at H ...read more

Competitive Programming

Water Jug problem using BFS

Last Updated: 14 September 2024

Given two empty jugs of m and n litres respectively. The jugs don't have markings to allow measuring smaller quantities. You have to use the ...read more

Graph

Technical Scripter

Competitive Programming

BFS

DSA

Bits manipulation (Important tactics)

Last Updated: 07 May 2024

Prerequisites: Bitwise operators in C, Bitwise Hacks for Competitive Programming, Bit Tricks for Competitive ProgrammingTable of ContentsCom...read more

Bit Magic

Competitive Programming

DSA

Difference Between == Operator and equals() Method in Java

Last Updated: 04 January 2025

In Java, the equals() method and the == operator are used to compare objects. The main difference is that string equals() method compares th ...read more

Java

Competitive Programming

Java-Strings

Difference Between

DSA

Segmentation Fault in C++

Last Updated: 11 January 2025

Segmentation faults C++ is an error that occurs when a program attempts to access a memory location it does not have permission to access. G ...read more

Competitive Programming

memory-management

C Language

C++

C-Dynamic Memory Allocation

DSA

C++ Errors

Prefix Sum Array - Implementation and Applications in Competitive Programming

Last Updated: 06 March 2025

Given an array arr[] of size n, the task is to find the prefix sum of the array. A prefix sum array is another array prefixSum[] of the same ...read more

Arrays

Competitive Programming

prefix-sum

DSA

Modulo 10^9+7 (1000000007)

Last Updated: 28 November 2022

In most programming competitions, we are required to answer the result in 10^9+7 modulo. The reason behind this is, if problem constraints a ...read more

Mathematical

Competitive Programming

Modular Arithmetic

number-theory

DSA

Formatted Output in Java using printf()

Last Updated: 16 August 2024

Sometimes in programming, it is essential to print the output in a given specified format. Most users are familiar with the printf function ...read more

Java

Competitive Programming

DSA

C++ STL Algorithm Library

Last Updated: 10 March 2025

Standard Template Library (STL) offers a rich collection of algorithms designed to operate on STL containers and beyond. It provides commonl ...read more

Competitive Programming

STL

cpp-algorithm-library

DSA

Fast I/O for Competitive Programming

Last Updated: 07 August 2024

In competitive programming, it is important to read input as fast as possible so we save valuable time. You must have seen various problem ...read more

GBlog

Competitive Programming

C++

CPP-Competitive-Programming

DSA

Top 10 Algorithms and Data Structures for Competitive Programming

Last Updated: 10 September 2024

In this post, we will discuss Important top 10 algorithms and data structures for competitive coding.Topics :Graph algorithmsDynamic program...read more

GBlog

Competitive Programming

GBlog-Competitive-Programming

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