MohamedZain

• Username: 4★mohamed_zain
• Country:  Egypt
• Student/Professional:Student
• Institution:Shoubra Faculty of Engineering, 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: 6

Current Ratings Graph Old Ratings Graph

1854 (+81)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2017(2017-09-11 15:00:00)

Global Rank:   586

Cheated in:   

Ratings System Update

(2017-09-11 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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1854 (-71)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   586

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 (6)

December Challenge 2015

Plane Division, Oracle Devu and Longest Common Subsequence, Chef and the stones

March Challenge 2016

Palindromic substrings, maximize the sum

May Challenge 2016

Chef and Balls, Forest Gathering, Chef and Big Soccer, Laddu

June Challenge 2016

Chef and Coins Game, Devu and an Array, Chef And Binary Operation, Chef And The Hiring Event

July Challenge 2016

Andrash and Stipendium, Chef and Segments, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity

September Challenge 2017

Sereja and Commands, Chef and Pick Digit, Minimum Good Permutation, Fill The Matrix, Little Chef and Sums

Total Problems Solved: 23