Shubham Kumar

• Username: 2★subhamskm
• Country:  India
• Student/Professional:Student
• Institution:Haldia Institute of Technology Haldia, West Bengal
• 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: 29

Current Ratings Graph Old Ratings Graph

1474 (+148)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2019 Division 2(2019-10-14 15:00:02)

Global Rank:   161

Cheated in:   

Ratings System Update

(2019-10-14 15:00:02)

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

How the rating system works?

1474 (-452)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   161

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 (29)

April Challenge 2017

Similar Dishes

July Challenge 2017

Chef and Sign Sequences, Whats in the Name

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates

September Challenge 2017

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

October Challenge 2017

Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

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

July Cook-Off 2017

Chang and Bitwise OR

July Lunchtime 2017

Find the Maximum Value

January Challenge 2018

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

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

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

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

April Cook-off 2018 Division 2

Cut the Board

March Lunchtime 2018 Division 2 (Unrated)

Chef and Friends

May Challenge 2018 Division 2

Minimum Deletions, Dibs on Fibs, Xor Again, Mighty Friend

June Challenge 2018 Division 2

Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Bad Shuffle, Chef and Adventures, Magician versus Chef, War of XORs

November Challenge 2018 Division 2

Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness, Chef and Ridges

October Challenge 2018 Division 2

Minimize Digitsum, Chef and Serves, Byte to Bit

January Challenge 2019 Division 2

Distinct Pairs, Fancy Quotes, Chef and Modulo Game, Lucky Number Game, Different Neighbours

February Challenge 2019 Division 2

Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Chef got Recipes, Chef and Number Game

May Challenge 2019 Division 2

Matches, Reduce to One, Where to Build the Roads

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD

July Challenge 2019 Division 2

Chef and Mean , Minimum and Maximum, Parity Again

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves

October Challenge 2019 Division 2

Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

Total Problems Solved: 176