Vaibhav Aren

• Username: 1★vaibhavaren
• Country:  India
• Student/Professional:Student
• Institution:The University of Tokyo
• 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

1384 (+17)RatingProvisional
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July Cook-Off 2018 Division 2(2018-07-23 00:00:05)

Global Rank:   1267

Cheated in:   

Ratings System Update

(2018-07-23 00:00:05)

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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1384 (-83)RatingProvisional
Rating i Provisional Rating, click to know more

July Cook-Off 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   1267

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)

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes

October Challenge 2016

Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Count Permutations, Task for Alexey

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

December Cook-Off 2016

Chef and Subset

October Lunchtime 2016

The Largest Bouquet

April Challenge 2017

Similar Dishes

June Challenge 2017

A Good Set, Xenny and Coin Rankings

April Cook-Off 2017

Bear and Candies 123

June Lunchtime 2017

Two Numbers

September Lunchtime 2017

Chef and Cook-Off Contests

July Cook-Off 2018 Division 2

Encoding Message

April Challenge 2018 Division 2

Workers

June Challenge 2018 Division 2

Naive Chef

Total Problems Solved: 168