Shubham Kumar

• Username: 3★shubham_12321
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 9

Current Ratings Graph Old Ratings Graph

1771 (+64)RatingProvisional
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November Lunchtime 2021 Division 2(2021-11-27 22:30:02)

Global Rank:   93

Cheated in:   

Ratings System Update

(2021-11-27 22:30:02)

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1771 (-157)RatingProvisional
Rating i Provisional Rating, click to know more

November Lunchtime 2021 Division 2(2022-12-20 00:00:00)

Global Rank:   93

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 (9)

August Challenge 2021 Division 3 (Rated)

Chef and Bulb Invention, Problem Difficulties, Olympics Ranking, Array Filling

AlgoManiac - Code For Future Division 3 (Rated)

Meet In The Median, The Old Saint And Three Questions, The Rumbling, Say No To Drugs, Planetary Path

September Challenge 2021 Division 2 (Unrated)

Shuffling Parities, Airline Restrictions, Travel Pass

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements, Minimise Difference

CodeChef Starters 11 Division 2 (Rated)

The Grid Fill Problem, A Counting Problem, Obtain the Sum

CodeChef Starters 13 Division 2 (Rated)

Add and Divide, Chef in Vaccination Queue, Maximum Light Up, Magical Doors

CodeChef Starters 14 Division 2 (Unrated)

Odd GCD, Diagonal movement, FIXFIX

October Challenge 2021 Division 2 (Unrated)

Longest AND Subarray

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

CodeChef Starters 16 Division 2 (Unrated)

Professor And Directions

SnackDown 2021 - Online Round 1A

Min Max LCM, Dance Moves, Yet Another Flipping Problem, Round Robin Ranks

November Cook-Off 2021 Division 2

Product Pain, Missing Sums, Make it Divisible

CodeChef Starters 18 Division 2 (Unrated)

Make them equal

FizzBuzz Division 2 (Rated)

Magical Planks, Clean The Sequence, Substring Minimum Function, Can_Reach

November Lunchtime 2021 Division 2

Expected Weight, Subarray Jumps, Strange Minimization, Rapid Re-Orderings

January Long 2022 - I, Division 2 (Unrated)

Prime in a binary string

January Long 2022 - II, Division 2 (Unrated)

Chef and Fixed Deposits, TCS Examination, Crying Colours

CodeChef Starters 23 Division 2 (Unrated)

Average of Three, Subarray Mex

February Long 2022 - I, Division 2 (Unrated)

Binary Base Basics, N Queens Puzzle Solved !

February Long 2022 - II, Division 2 (Unrated)

Avoid Fixed Points, Xor Palindrome

March Long One 2022, Division 2 (Unrated)

Akash and Function, Subarray XOR, Substring of a Substring, Exact Marks

March Long Two 2022, Division 2 (Unrated)

Missing Numbers

May Long One 2022 Division 2 (Unrated)

The Attack of Queen

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Subarrays with length, Make them Zero

Total Problems Solved: 182