rahul kumar

• Username: 3★skrahul
• 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: 16

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1686 (-49)RatingProvisional
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May Challenge 2018 Division 1(2018-05-14 15:00:00)

Global Rank:   629

Cheated in:   

Ratings System Update

(2018-05-14 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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1686 (-49)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 1(2022-12-20 00:00:00)

Global Rank:   629

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 (16)

November Challenge 2016

Task for Alexey

February Challenge 2017

Chef and His Apartment Dues

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number

January Lunchtime 2017

Nothing in Common

May Challenge 2017

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

June Challenge 2017

Xenny and Coin Rankings, Chef and the Feast, A Good Set

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

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

October Challenge 2017

Max Mex, Counter Test For CHEFSUM, A Balanced Contest

December Challenge 2017

Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

August Cook-Off 2017

Real obtuse, From heaven to earth

August Lunchtime 2017

Mathison and pangrams

January Challenge 2018

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

July Lunchtime 2018 Division 2

Split Stones

Total Problems Solved: 169