john smith

• Username: 3★unknown_2100
• Country:  India
• Student/Professional:Other
• 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: 10

Current Ratings Graph Old Ratings Graph

1631 (+76)RatingProvisional
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December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   243

Cheated in:   

Ratings System Update

(2020-12-14 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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1631 (-319)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   243

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 (10)

June Challenge 2020 Division 2

The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control, Even Matrix

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

September Challenge 2020 Division 2

A Problem on Sticks

July Cook-Off 2020 Division 2

Even-tual Reduction

August Lunchtime 2020 Division 2

Mode of Frequencies

June Lunchtime 2020 Division 2

Chef and Demonetisation, Increasing Decreasing

October Challenge 2020 Division 2

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

November Challenge 2020 Division 2

Restore Sequence, Ada and Dishes, Magical Candy Store, Scalar Product Tree, Unusual Queries

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

Total Problems Solved: 29