Rahul Kumar

• Username: 3★rahul_5989
• Country:  India
• Student/Professional:Student
• Institution:Sri Sivasubramaniya Nadar College of Engineering, Chennai
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 3

Current Ratings Graph Old Ratings Graph

1642? (+206)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2021 Division 3 (Rated)(2021-12-13 15:00:00)

Global Rank:   62

Cheated in:   

Ratings System Update

(2021-12-13 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1642? (-94)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   62

Cheated in:   

Ratings System Update

(2022-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

Learning Paths (0)

None

Practice Paths (0)

None

Contests (3)

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, MEX-OR, Three Boxes, Which Mixture

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper

December Challenge 2021 Division 3 (Rated)

Increasing String , Check Mate, Valleys and Hills, Rock Paper Scissors, Pyramid Traversal, List of Lists, Utkarsh and Placement tests

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Total Problems Solved: 47