Mohammad Shahjahan

• Username: 1★shizakhan
• Country:  India
• Student/Professional:Professional
• Organisation:Infoedge india Ltd.
• 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: 19

Current Ratings Graph Old Ratings Graph

1216 (+23)RatingProvisional
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Starters 141 Division 4 (Rated)(2024-07-03 22:00:06)

Global Rank:   5610

Cheated in:   

Ratings System Update

(2024-07-03 22:00:06)

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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1193 (+360)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   5625

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 (19)

February Challenge 2016

Chef-Detective

April Challenge 2016

Chef and Ballons, Chef And Coloring

June Challenge 2017

A Good Set, Chef and the Feast, Xenny and Coin Rankings

July Challenge 2017

Whats in the Name, Calculator

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex

June Cook-Off 2017

Ada and crayons, SnackUp

August Cook-Off 2017

From heaven to earth

September Cook-Off 2017

Subsequence Equality

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Two Numbers

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends, Three Integers

Starters 141 Division 4 (Rated)

Nearly Equal, Lucky Clover

Total Problems Solved: 51