Shubham Kumar

• Username: 3★shubh2103
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, 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: 25

Current Ratings Graph Old Ratings Graph

1792 (-40)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)(2022-09-23 23:30:02)

Global Rank:   871

Cheated in:   

Ratings System Update

(2022-09-23 23:30:02)

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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1792 (-78)RatingProvisional
Rating i Provisional Rating, click to know more

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)(2022-12-20 00:00:00)

Global Rank:   871

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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Contests (25)

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking, Chef and Bulb Invention

August Cook-Off 2021 Division 3

Equal Difference, Which Division

August Lunchtime 2021 Division 3

Maximum Length Even Subarray, Programming Languages

CodeChef Starters 9 Division 3 (Rated)

Bus full of passengers, Large Square, Black cells in a chessboard

September Challenge 2021 Division 3 (Rated)

XOR Equal, Shuffling Parities, Airline Restrictions, Travel Pass

September Cook-Off 2021 Division 2

Zebra Crossing, Fake Swaps, Adjacency Hatred

CodeChef Starters 11 Division 3 (Rated)

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

October Cook-Off 2021 Division 2

Can You Reach The End, Odd Sum, 01 Subsequence

October Lunchtime 2021 Division 2

Chef and Water Car, Exactly N plus 1 Values

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

December Challenge 2021 Division 2 (Unrated)

Valleys and Hills, List of Lists, Rock Paper Scissors

January Lunchtime 2022 Division 2

Subarray permutations, Prefix Zeros

CodeChef Starters 25 Division 2 (Rated)

Building Towers, Equal MEX, Points and Lines

February Lunchtime 2022 Division 2

Four Equidistant Points on a Grid, Magnet Sort, Parallel Processing

CodeChef Starters 28 Division 2 (Rated)

Travelling in the Graph, Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Gift Shop and Coupon, Balanced Reversals

Starters 38 Division 2 (Rated)

Good Pairs, Circular Track

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Closest Vowels

Starters 41 Division 2 (Rated)

Equal Integers, Remove and Add, Is this priority or parity!, Path Parity

June Cook-Off 2022 Division 2 (Rated)

Simple XOR, Split AND Sum, Break the Stick

Starters 44 Division 2 (Rated)

Palindromes Not Allowed, Atleast and Atmost, Triple Xor, Dense Bracket Sequence

Starters 43 Division 2 (Rated)

Make them Equal, The Optimal Pairs, Permutation AND, Distinct Palindrome

Starters 45 Division 2 (Rated)

Even Equal Odd, Retrieve the Array, Adjacent Sum Parity

August Long 2022 Division 2 (Unrated)

Hello Equation, Two Trains

September Lunchtime 2022 Division 2 (Rated) (Based on EJOI)

Stick Break, Permutation Creation

Total Problems Solved: 89