Vishal Kumar

• Username: 4★vishalkr07
• 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: 13

Current Ratings Graph Old Ratings Graph

1879 (+11)RatingProvisional
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January Challenge 2018(2018-01-15 15:00:00)

Global Rank:   1652

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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1879 (-6)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1652

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 (13)

November Challenge 2016

Task for Alexey, Chef and squares

December Challenge 2016

Train Partner

January Challenge 2017

Cats and Dogs, Reservior

February Challenge 2017

Chef and His Apartment Dues, Gerrymander

March Challenge 2017

Bandwidth of a matrix, Bear and Extra Number, Xenny and Alternating Tasks

February Lunchtime 2017

Bear and Milky Cookies

April Challenge 2017

Chef and Divisor Tree, Dish Of Life, Bear and Row 01, Bear and Clique Distances, Similar Dishes

May Challenge 2017

Median of adjacent maximum numbers, Chef and Subsequences, Blocked websites, Chef and his daily routine, Gotham PD, Chef and Sub Array , Courses in an university

June Challenge 2017

Chef and Prime Queries, A Good Set, Chef and the Feast, Xenny and Coin Rankings, Triplets, Pairwise union of sets

October Challenge 2017

Chef and Cycled Cycles, A Balanced Contest, Counter Test For CHEFSUM, Max Mex, Chef and a great voluntary Program, Chef and Magic Arrays

March Cook-Off 2017

Safe Robot

May Cook-Off 2017

La Liga, Balanced Array

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

Total Problems Solved: 75