CodeChef transformed my academic coding into real-world problem-solving. Its contests and challenges sharpened my skills in algorithms, optimization, and debugging under pressure.

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Compile & run your code with the CodeChef online IDE. Our online compiler supports multiple programming languages like Python, C++, C, JavaScript, Rust, Go, Kotlin, and many more.

Practice in the CodeChef monthly coding contests, and master competitive programming. Get all the information about the rated coding challenges hosted every week.

Practice problems on Heap data structure from the CodeChef repository of problems. Start with basics of Heaps and then solve harder questions which require Heap.

Welcome to our online HTML / CSS Editor, the perfect platform to run and test your HTML / CSS code efficiently. Our tool makes coding easy for developers of any skill level, whether you're a beginner or …

import java. util. *; import java. lang. *; import java. io. *; class Codechef { public static void main (String [] args) throws java. lang. Exception {

Welcome to our AI-powered online Python compiler and interpreter, the perfect platform to run and test your Python code efficiently. Our tool makes coding easy for developers of any skill level, whether …

Practice C Improve your C programming skills with over 200 coding practice problems. Solve these beginner friendly problems online to get better at C language.

Welcome to our AI-powered online SQL compiler and interpreter, the perfect platform to run and test your SQL queries efficiently. Our tool makes coding easy for developers of any skill level, whether …