Mahtab Uddin

• Username: 2★dr_stone123
• Country:  Bangladesh
• Student/Professional:Student
• Institution:International Islamic University Chittagong Bangladesh
• 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: 9

Current Ratings Graph Old Ratings Graph

1492 (-43)RatingProvisional
Rating i Provisional Rating, click to know more

August Long 2022 Division 3 (Rated)(2022-08-15 15:00:04)

Global Rank:   3253

Cheated in:   

Ratings System Update

(2022-08-15 15:00:04)

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?

1492 (-13)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   3253

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (9)

CodeChef Starters 7 Division 3 (Rated)

Food Chain, Chess Format

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Hill Sequence, Equal Coins, Which Fuel is Cheaper

January Cook-Off 2022 Division 3

Palindromes Not Allowed, Mean Maximization, Mask Policy, Hungry Ashish

CodeChef Starters 24 Division 2 (Rated)

Yet Another Constructive Problem, Avoid Contact

March Long Two 2022, Division 3 (Rated)

Chef and Races, Missing Numbers, The Rating Dilemma

April Cook-Off 2022 Division 3

Sticks and Rectangles, Funny Hand

CodeChef Starters 33 Division 2 (Rated)

Non Adjacent Flips

CodeChef Starters 34 Division 3 (Rated)

Is the Score Consistent, Good Quality Bulbs, Positive Products

August Long 2022 Division 3 (Rated)

Sale Season, Make A and B equal

Total Problems Solved: 42