Shubham Shubh

• Username: 2★shubhamshubh
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Roorkee Uttarakhand, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1587 (+49)RatingProvisional
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December Challenge 2020 Division 2(2020-12-14 15:00:02)

Global Rank:   755

Cheated in:   

Ratings System Update

(2020-12-14 15:00:02)

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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1587 (-96)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   755

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 (26)

October Challenge 2017

Counter Test For CHEFSUM, Max Mex, A Balanced Contest

November Challenge 2017

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

December Challenge 2017

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

October Cook-Off 2017

Chef and Employment Test, Chef and Weird Queries

December Cook-Off 2017

Beautiful Array, Football Match

November Lunchtime 2017

Smart Strategy

December Lunchtime 2017

Days in Month, Strange Function

January Challenge 2018

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

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

March Challenge 2018 DIV 2

Chef and Easy Problem, A Big Sale, Mix the Colors, Chef and Glove, Minions and Voting, Minion Chef and Bananas

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

May Cook-off 2018 Division 2

Best Cake Ever, Secret Recipe

September Mega Cook-Off 2018 Division 1

Make a Permutation

May Lunchtime 2018 Division 2

Trace of Matrix, Count Substrings

June Challenge 2018 Division 1

Vision

December Challenge 2018 Division 2

(Challenge) Delete DAG, Max and Electrical Panel, Directing Edges, Chef and Interactive XOR, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

October Challenge 2018 Division 1

Appy and Balloons , Minimize Digitsum

Insomnia 2018 (Rated)

Split Sums, Strange Swaps

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Distinct Pairs

January Challenge 2020 Division 1

Chef and Dynamo

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

October Challenge 2020 Division 2

Covid Run, Chef and Easy Queries

November Challenge 2020 Division 2

Magical Candy Store

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

Total Problems Solved: 156