Vaibhav Kumar

• Username: 2★vaibhavk31
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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: 15

Current Ratings Graph Old Ratings Graph

1565 (-47)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2018(2018-01-15 15:00:00)

Global Rank:   12947

Cheated in:   

Ratings System Update

(2018-01-15 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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1565 (+187)RatingProvisional
Rating i Provisional Rating, click to know more

January Challenge 2018(2022-12-20 00:00:00)

Global Rank:   12947

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 (15)

October Challenge 2016

Chef and Three Dogs, Chef and Keyboard

November Challenge 2016

Task for Alexey

December Challenge 2016

Train Partner, Kirito in labyrinth

June Cook-Off 2016

Sticks, Right Triangle

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

December Cook-Off 2016

Chef and Subset

December Lunchtime 2016

Superheroes and villains

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

January Lunchtime 2017

Nothing in Common

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers

March Cook-Off 2017

Safe Robot

June Cook-Off 2017

Ada and crayons, SnackUp

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Two Numbers

Total Problems Solved: 50