Pankaj Kumar

• Username: 2★chilling
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, 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: 16

Current Ratings Graph Old Ratings Graph

1598 (-48)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2020 Division 1(2020-06-15 15:00:00)

Global Rank:   1057

Cheated in:   

Ratings System Update

(2020-06-15 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

How the rating system works?

1598 (-163)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1057

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)

None

Practice Paths (0)

None

Contests (16)

June Challenge 2016

Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity

September Challenge 2016

Chef and digits of a number

October Challenge 2016

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

November Challenge 2016

Chef and squares, Task for Alexey, Count Permutations

July Cook-Off 2016

Chef and Proportion

February Challenge 2017

Chef and His Apartment Dues

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

November Challenge 2017

Chef goes Left Right Left, Villages and Tribes, Periodic Palindrome Construction

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 2

Another Birthday Present!, Positive Mex, Chef in Fantasy League

June Challenge 2020 Division 1

The Tom and Jerry Game!

Total Problems Solved: 61