Abdul Rais

• Username: 1★coarpder
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 20

Current Ratings Graph Old Ratings Graph

1371 (-33)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2015(2015-07-13 15:00:00)

Global Rank:   4790

Cheated in:   

Ratings System Update

(2015-07-13 15:00:00)

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

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1371 (+5)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2015(2022-12-20 00:00:00)

Global Rank:   4790

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 (20)

August Cook-Off 2013

Chef and The Right Triangles

October Challenge 2013

Helping Lira

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Magic Pairs, Rectangular Queries

January Challenge 2014

Please like me, Chef and Feedback

February Cook-Off 2014

Chef and Remissness

April Cook-Off 2014

Snape and Ladder

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

May Challenge 2014

Chef-jumping

April Challenge 2015

Broken Telephone

June Challenge 2015

Chef and Memory Limit

April Cook-Off 2015

Version Control System

May Cook-Off 2015

Devu and friendship testing

Total Problems Solved: 36