Aditya Lahiri

• Username: 2★alshadows
• Country:  India
• Student/Professional:Student
• Institution:Jaypee Institute of Information Technology Noida, Uttar Pradesh, India
• 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: 7

Current Ratings Graph Old Ratings Graph

1547 (-55)RatingProvisional
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Starters 175 (Rated)(2025-02-26 22:00:02)

Global Rank:   1463

Cheated in:   

Ratings System Update

(2025-02-26 22:00:02)

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1602 (-46)RatingProvisional
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January Challenge 2017(2022-12-20 00:00:00)

Global Rank:   3861

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

5%

Contests (7)

June Challenge 2016

Devu and an Array

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Cats and Dogs

Total Problems Solved: 23