shubham kumar

• Username: 4★kumar74568
• Country:  India
• Student/Professional:Student
• Institution:National Institute of Technology Silchar Assam, India
• CodeChef Pro Plan: No Active Plan. View Details

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

Rating Graph

No. of Contests Participated: 34

Current Ratings Graph Old Ratings Graph

1821 (+30)RatingProvisional
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Starters 107 Division 2 (Rated)(2023-11-08 22:00:02)

Global Rank:   194

Cheated in:   

Ratings System Update

(2023-11-08 22:00:02)

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1710 (-263)RatingProvisional
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Starters 36 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   214

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?

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Contests (34)

June Cook-Off 2021 Division 3

ICPC Balloons, Chefland Visa, The Wave

June Lunchtime 2021 Division 3

False Number, HTML Tags, Richie Rich, Unpleasant Ones

June CodeChef Starters 2021 Division 3 (Rated)

Chess Match, Chef and Queries, Cyclic Quadrilateral

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

July Lunchtime 2021 Division 3

Chef and Spells

CodeChef Starters 6 Division 3 (Rated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

September Challenge 2021 Division 3 (Rated)

Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD, Adjacency Hatred

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 3 (Rated)

The Grid Fill Problem, Find the Direction, Obtain the Sum, The Two Dishes

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, Digit Removal, Three Boxes, Which Mixture

CodeChef Starters 16 Division 3 (Rated)

Professor And Directions, Chef And Salary Pay, Pass or Fail

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

November Challenge 2021 Division 2 (Unrated)

Weird Palindrome Making, Hill Sequence, Equal Coins

FizzBuzz Division 2 (Rated)

Magical Planks, Substring Minimum Function, Can_Reach

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

December Cook-Off 2021 Division 2

Median Minimization, Musical Chairs

Code Drive Division 2 (Rated)

Again XOR problem, Count Number of Peaks

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

January Cook-Off 2022 Division 2

Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

February Cook-Off 2022 Division 2

Perfect Permutation, PerMEXuation , Prefix Permutation

March Cook-Off 2022 Division 2

Fixed Weight, Janmansh at Fruit Market, Equal Mex Splitting, Alternating Divisibility

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Average Array

Starters 36 Division 2 (Rated)

Buying Sweets, Reduce to 1, Presents for Cheffina

October Long 2022 Division 2 (Unrated)

Binary Substituition, Single Operation Part 1, Single Operation Part 2

Starters 87 Division 2 (Rated)

Inversions of subsequences, Existence, AB plus C

Starters 95 Division 2 (Rated)

Boxes, Transfusion Chain, EVacuate to Moon

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 105 Division 2 (Rated)

Take it Easy, Dull Operation, Wishcraft

Starters 106 Division 2 (Rated)

Playing with OR, Save People, Guess the winner!

Starters 107 Division 2 (Rated)

Maximal Expression, Rock Paper Scissor, OR Permutation

Total Problems Solved: 141