Irfan Ahmed Mohammad

• Username: 3★irfan5d7
• Country:  United States
• Student/Professional:Student
• Institution:University of North Texas
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 4

Current Ratings Graph Old Ratings Graph

1784? (+156)RatingProvisional
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October Challenge 2020 Division 2(2020-10-12 15:00:02)

Global Rank:   283

Cheated in:   

Ratings System Update

(2020-10-12 15:00:02)

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

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1784 (-72)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   283

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)

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Practice Paths (0)

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Contests (4)

February Cook-Off 2018

Chef and Cook-Off

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Find XOR, Ada Matrix, Coronavirus Spread 2

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries, Adding Squares, Replace for X, Positive AND

September Lunchtime 2020 Division 2

GCD operations, Root the Tree, Watermelon

September Challenge 2021 Division 2 (Unrated)

XOR Equal, Shuffling Parities, Minimize Digit Sum, 2-D Point Meeting, Airline Restrictions, Travel Pass

Total Problems Solved: 21