Niraj Kumar

• Username: 1★niraj0109
• Country:  India
• Student/Professional:Student
• Institution:Vellore Institute of Technology, Vellore
• 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: 20

Current Ratings Graph Old Ratings Graph

823 (-275)RatingProvisional
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April Lunchtime 2022 Division 4(Rated)(2022-04-16 22:30:06)

Global Rank:   6734

Cheated in:   Plagiarised in LTIME107D

Ratings System Update

(2022-04-16 22:30:06)

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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823 (+112)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2022 Division 4(Rated)(2022-12-20 00:00:00)

Global Rank:   6734

Cheated in:   Plagiarised in LTIME107D

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 (20)

May Challenge 2021 Division 3 (Rated)

Solubility

July Challenge 2021 Division 3 (Rated)

Maximum Production, Relativity

August Challenge 2021 Division 3 (Rated)

Problem Difficulties, Olympics Ranking

October Challenge 2021 Division 3 (Rated)

Longest AND Subarray, MEX-OR, Three Boxes, Which Mixture

CodeChef Starters 18 Division 3 (Rated)

Back to Campus

C.O.D.E.R.S Division 3 (Rated)

The One with Russ, The One Where It All Began

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Covid and Theatre Tickets

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 3 (Rated)

Power Sum, Crying Colours, TCS Examination, Chef and Fixed Deposits

CodeChef Starters 24 Division 2 (Rated)

Avoid Contact, Yet Another Constructive Problem

February Long 2022 - I, Division 3 (Rated)

Chef and the Hair Salon, N Queens Puzzle Solved !, Binary Base Basics

CodeChef Starters 25 Division 3 (Rated)

Fit in Data Type, Chef and His Fruit Stand

CodeChef Starters 27 Division 3 (Rated)

Distinct Binary Strings, Too many items, Blackjack, The product mystery

March Long One 2022, Division 3 (Rated)

Akash and Function, Akash and Missing Class, Exact Marks, Wordle

CodeChef Starters 30 Division 3 (Rated)

Chef and Water Bottles

March Lunchtime 2022 Division 4

Minimum number of coins, CRED Coins, Buy 2 Get 1 Free, Credit score

CodeChef Starters 33 Division 4 (Rated)

Distinct Dilemma, The Cheaper Cab, Monthly Budget, Minimum Cars required, Non Adjacent Flips

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Buckets Full of Candies, Mario and Bullet, Pair Pain

Total Problems Solved: 56