Sourabh Kumar

• Username: 2★sourabh_k
• Country:  India
• Student/Professional:Student
• Institution:University Institute of Engineering and Technology, Punjab University Chandigarh, 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: 17

Current Ratings Graph Old Ratings Graph

1578 (+32)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2017-07-17 15:00:00)

Global Rank:   1456

Cheated in:   

Ratings System Update

(2017-07-17 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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1578 (-100)RatingProvisional
Rating i Provisional Rating, click to know more

July Challenge 2017(2022-12-20 00:00:00)

Global Rank:   1456

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 (17)

October Challenge 2015

Who dares to be a millionaire, Count Subarrays

December Lunchtime 2015

Distinct Codes

January Long Challenge 2016

Churu and Balls, Chef and Time Machine

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Chef and Ballons, Chef And Coloring

May Challenge 2016

Chef and Balls, Laddu

June Challenge 2016

Chef And Binary Operation, Chef and Coins Game, Devu and an Array

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

November Challenge 2016

Task for Alexey

February Cook-Off 2016

Puppy and Sum

January Challenge 2017

Capital Movement, Cats and Dogs

June Challenge 2017

A Good Set, Xenny and Coin Rankings, Pairwise union of sets

July Challenge 2017

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

Total Problems Solved: 40