ahmed

• Username: 3★aabdelzaher
• Country:  Egypt
• Student/Professional:Student
• Institution:German University in Cairo
• 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: 2

Current Ratings Graph Old Ratings Graph

1716? (+203)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2017-12-11 15:00:00)

Global Rank:   570

Cheated in:   

Ratings System Update

(2017-12-11 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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1716? (-53)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2017(2022-12-20 00:00:00)

Global Rank:   570

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 (2)

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

December Challenge 2017

Total Diamonds, Chef And his Cake, Chef And Easy Xor Queries, Penalty Shoot-out, Chef and Hamming Distance of arrays

Total Problems Solved: 9