Randhir Kumar

• Username: 3★randhir2331
• Country:  India
• Student/Professional:Student
• Institution:Delhi Technological University New Delhi, 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: 28

Current Ratings Graph Old Ratings Graph

1640 (-23)RatingProvisional
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Starters 92 Division 2 (Rated)(2023-05-31 22:00:02)

Global Rank:   1754

Cheated in:   

Ratings System Update

(2023-05-31 22:00:02)

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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1619 (-1)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 69 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1105

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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Practice Paths (0)

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Contests (28)

September Challenge 2021 Division 3 (Rated)

Airline Restrictions, Shuffling Parities, Travel Pass

September Cook-Off 2021 Division 3

Cars and Bikes, Fake GCD

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 12 Division 3 (Rated)

Good Weather, Make it Divisible

March Long Two 2022, Division 3 (Rated)

Chef and Races, The Rating Dilemma

Starters 41 Division 3 (Rated)

Path Parity, Determine the Winner, Is this priority or parity!, Equal Integers

June Lunchtime 2022 Division 3 (Rated)

Zero Ones Equal One Zeros, Too many Floors, Equal by XORing

July Lunchtime 2022 Division 3 (Rated)

The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem

Starters 54 Division 4 (Rated)

Equal Distinct, Team of Two, Number of Credits, Ticket Fine

Starters 55 Division 4 (Rated)

Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone

Starters 56 Division 4 (Rated)

Chefland Games, Far Away, Maximize Colours, Nearest Exit

September Lunchtime 2022 Division 3 (Rated) (Based on EJOI)

Flip the cards, Equalize AB, Stick Break, Permutation Creation

Starters 57 Division 3 (Rated)

Two Different Palindromes, Non-Negative Product, Maximum Expression, Even Splits

Starters 59 Division 3 (Rated)

Suspense String, Confusing Concatenations, Chef and Happy String

Starters 60 Division 2 (Rated)

Yet Another Palindrome Problem, Palindrome Flipping

Starters 61 Division 2 (Rated)

Minimise LCS, Subarray Removal

Starters 69 Division 2 (Rated)

Distinct Sequence, Akash and Dinner

Starters 71 Division 2 (Rated)

Pet Store, Maximizing LCS

Starters 72 Division 2 (Rated)

N Triplets

February Cook-Off 2023 Division 2 (Rated)

Take Not Less, Permutation and Modulus, Minimum Beauty

Starters 77 Division 2 (Rated)

Three Numbers

Starters 78 Division 2 (Rated)

Valid Expression, Bitwise Equation

Starters 80 Division 2 (Rated)

Prefix Permutation, Equal Elements

Starters 84 Division 2 (Rated)

Max count of 1, Digit Operation, Max Binary, Chef And Adjacent Sums

Starters 85 Division 2 (Rated)

Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium

Starters 87 Division 2 (Rated)

Inversions of subsequences, AB plus C, Existence

Starters 83 Division 2 (Rated)

Construct String

Starters 90 Division 2 (Rated)

Crushed Apples and a Balance Scale, Printing Binary Array, Anti Palindrome

Starters 92 Division 2 (Rated)

Rectangular Tiling, Distance Coloring, Dotify Playlist

Total Problems Solved: 116