Coders World
Learn
Challenges
Live
Upcoming
Past
Categories
Featured Series
Top Performers
Tips & Resources
Preparation Hub
Schedule
Rewards
Rules
Communit
Analytics

CodeArena Contest

Contest every week. Compete and see your ranking!

Live Contests

(4 active)

Weekly Contest 378

1h 23m left
12,847
Difficulty
Medium
Problems
4
Prize
$500

Biweekly Contest 119

45m left
8,934
Difficulty
Hard
Problems
4
Prize
$1000

Daily Challenge

2h 15m left
5,678
Difficulty
Easy
Problems
2
Prize
$100

Monthly Challenge

2h 15m left
3,839
Difficulty
Easy
Problems
2
Prize
$100

Upcoming Contests

(4 scheduled)

Weekly Contest 379

Starts in 2h 15m
1h 30m
Difficulty
Medium
Problems
4
Prize
$500

Monthly Challenge

Starts in 1d 5h
3h
Difficulty
Hard
Problems
6
Prize
$2500

Algorithm Masters

Starts in 3d 12h
4h
Difficulty
Expert
Problems
8
Prize
$5000

Data Structures Championship

Starts in 1w 2d
2h 30m
Difficulty
Hard
Problems
5
Prize
$3000

Past Contests

(4 completed)

Weekly Contest 377

Ended 2 days ago
15,234
Winner: coder_pro
Difficulty
Medium
Problems
4
Prize
$500

Biweekly Contest 118

Ended 1 week ago
9,876
Winner: algorithm_master
Difficulty
Hard
Problems
4
Prize
$1000

Monthly Challenge - March 2024

Ended 2 weeks ago
23,456
Winner: data_scientist
Difficulty
Expert
Problems
6
Prize
$2500

Monthly Challenge - March 2024

Ended 2 weeks ago
23,456
Winner: data_scientist
Difficulty
Expert
Problems
6
Prize
$2500

Contest Categories

(8 categories)

Algorithm Contests

Classic algorithmic problem solving

Contests
156
Difficulty
All Levels
Participants
50K+

Data Structure Challenges

Focus on data structure implementation

Contests
89
Difficulty
Medium-Hard
Participants
25K+

Speed Coding

Fast-paced coding competitions

Contests
67
Difficulty
Easy-Medium
Participants
30K+

Game Development

Build games and interactive apps

Contests
34
Difficulty
All Levels
Participants
15K+

Contest Statistics

150K+

Active Participants

500+

Contests Completed

$50K+

Total Prize Pool

4.8/5

User Rating

Algorithm Contests

Classic algorithmic problem solving

Contests:156
Difficulty:All Levels
Participants:50K+

Data Structure Challenges

Focus on data structure implementation

Contests:89
Difficulty:Medium-Hard
Participants:25K+

Speed Coding

Fast-paced coding competitions

Contests:67
Difficulty:Easy-Medium
Participants:30K+

Game Development

Build games and interactive apps

Contests:34
Difficulty:All Levels
Participants:15K+

Web Development

Frontend and backend challenges

Contests:78
Difficulty:Medium
Participants:35K+

Machine Learning

AI and ML problem solving

Contests:45
Difficulty:Hard-Expert
Participants:20K+

Database Design

SQL and database optimization

Contests:52
Difficulty:Medium-Hard
Participants:22K+

System Design

Architecture and scalability

Contests:38
Difficulty:Expert
Participants:18K+

Top Performers

Weekly Leaderboard

1
🇺🇸algo_master
2847 pts12 contests
2
🇮🇳code_ninja
2756 pts11 contests
3
🇨🇦data_wizard
2689 pts10 contests
4
🇬🇧speed_coder
2598 pts9 contests
5
🇦🇺problem_solver
2487 pts8 contests

Monthly Leaderboard

1
🇮🇳python_pro
12450 pts45 contests
2
🇺🇸algo_champ
11980 pts42 contests
3
🇨🇦data_king
11650 pts40 contests
4
🇬🇧code_warrior
11230 pts38 contests
5
🇦🇺tech_guru
10890 pts36 contests

Overall Leaderboard

1
🇺🇸grandmaster_x
45000 pts180 contests
2
🇮🇳legend_coder
42800 pts175 contests
3
🇨🇦master_mind
41200 pts170 contests
4
🇬🇧champion_pro
39500 pts165 contests
5
🇦🇺elite_dev
37800 pts160 contests

Contest Tips & Resources

Contest Guide

Learn the best strategies and tips for participating in coding contests.

Video Tutorials

Watch step-by-step tutorials on solving contest problems.

Community Forum

Connect with other contestants and discuss strategies.

Contest Rewards & Achievements

Contest Winner

Win any contest to unlock

+100 Rating Points

Speed Demon

Solve problems quickly

+50 Speed Bonus

Perfect Score

Solve all problems correctly

+200 Perfect Bonus

Streak Master

Participate in 10 contests

+300 Streak Bonus

Contest Rules & Guidelines

General Rules

No Plagiarism: All code must be original and written during the contest.
Time Limit: Solutions must be submitted within the contest duration.
Language Support: Python, Java, C++, JavaScript, and more.
Submission: One submission per problem, highest score counts.

Scoring System

Correct Solution+100 points
Time Bonus+50 points
Efficiency Bonus+25 points
Wrong Submission-10 points

Contest Community & Support

Discord Community

Join 50K+ coders in our Discord server for real-time discussions.

📱 Live Chat•💡 Strategy Sharing

Live Sessions

Weekly live coding sessions with expert mentors.

🎥 Live Streaming•👨‍🏫 Expert Mentors

Mentorship Program

Get personalized guidance from top performers.

👥 1-on-1 Sessions•📋 Custom Plans

Contest Analytics & Insights

Your Performance Trends

Average Score85.6%
Contests Participated24
Problems Solved89

Popular Contest Topics

Dynamic Programming
85%
Graph Algorithms
72%
String Manipulation
68%
Number Theory
55%