Mohammad Rehan Khan

• Username: 3★rehankhan123
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Delhi India
• 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: 8

Current Ratings Graph Old Ratings Graph

1610 (+102)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 124 Division 3 (Rated)(2024-03-06 22:00:04)

Global Rank:   20

Cheated in:   

Ratings System Update

(2024-03-06 22:00:04)

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1625 (+12)RatingProvisional
Rating i Provisional Rating, click to know more

July Long One 2022 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   243

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 (1)

Learn Java (Older version)

1%

Practice Paths (1)

1600 to 1800 difficulty problems

1%

Contests (8)

CodeChef Starters 24 Division 3 (Rated)

Avoid Contact, Badminton Serves, Yet Another Constructive Problem, EVM Hacking, Anti Palindrome

February Long 2022 - I, Division 3 (Rated)

Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon

Starters 36 Division 2 (Rated)

Presents for Cheffina

April Long Two 2022 Division 2 (Unrated)

Pseudo Sorted Array

July Cook-Off 2022 Division 3 (Rated)

High Accuracy, Xor Permutation, K-MEX

July Long One 2022 Division 3 (Rated)

Journey of the Knight, Game of Piles Version 1, Game of Piles Version 2, Slow Solution, Pass the Exam, Chef and Candies

Starters 114 Division 3 (Rated)

Painting Walls, Christmas Candy

Starters 124 Division 3 (Rated)

Binary Parity, Table Strength, Swap and Unite, Make It One, Cricket Tournament

Total Problems Solved: 70