Khaja Zafaruddin Ahmed

• Username: 1★zafarahmed
• Country:  India
• Student/Professional:Professional
• Organisation:Broadcom
• 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: 3

Current Ratings Graph Old Ratings Graph

1372? (-4)RatingProvisional
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December Challenge 2020 Division 2(2020-12-14 15:00:02)

Global Rank:   12105

Cheated in:   

Ratings System Update

(2020-12-14 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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1372? (-139)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   12105

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)

Practice Paths (1)

Practice for ZCO and INOI

1%

Contests (3)

October Challenge 2020 Division 2

Positive AND, Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes

December Challenge 2020 Division 2

Even Pair Sum, Vaccine Production, Vaccine Distribution

Total Problems Solved: 11