Shubham Singh

• Username: 3★shubhamsihag80
• Country:  India
• Student/Professional:Professional
• Organisation:
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 6

Current Ratings Graph Old Ratings Graph

1642 (+100)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 2(2020-12-14 15:00:02)

Global Rank:   755

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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1642 (-125)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   755

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)

August Challenge 2020 Division 2

Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef Wars - Return of the Jedi

September Challenge 2020 Division 2

Chefina and Swap, A Problem on Sticks, Chef and Trump Cards, Ada Matrix, Coronavirus Spread 2

August Cook-Off 2020 Division 2

Polygon Relationship, Chef and Work

October Challenge 2020 Division 2

Positive AND, Chef and Easy Queries, Covid Run, Replace for X

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

September Lunchtime 2020 Division 2

GCD operations

SnackDown 2021 - Online Qualifiers

Lucky Number

Total Problems Solved: 46