Purushottam Tiwari

• Username: 4★meluhan
• 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: 33

Current Ratings Graph Old Ratings Graph

1985 (-5)RatingProvisional
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Starters 46 Division 2 (Rated)(2022-07-06 23:00:02)

Global Rank:   543

Cheated in:   

Ratings System Update

(2022-07-06 23:00:02)

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1985 (+15)RatingProvisional
Rating i Provisional Rating, click to know more

Starters 46 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   543

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 (33)

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

March Cook-Off 2020 Division 2

Find Your Gift

April Cook-Off 2020 Division 2

Lift Requests

May Lunchtime 2020 Division 2

Weird Walk, Lost Weekends

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Missing a Point, Chef and Card Game, Chef and Strings

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP

RECode 12.0 (Rated for all)

Chef and String

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

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

The One On The Last Night, The One with Russ, The One with All the Candy, The One Where It All Began

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array

CodeChef Starters 24 Division 2 (Rated)

Anti Palindrome, Avoid Contact, Divisors and Reciprocals, Yet Another Constructive Problem

February Lunchtime 2022 Division 2

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

CodeChef Starters 28 Division 2 (Rated)

Permutation Xority, Count the Holidays

CodeChef Starters 30 Division 2 (Rated)

Minimum Coloring, Maximizing LIS, Gift Shop and Coupon, Balanced Reversals

March Cook-Off 2022 Division 2

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

March Lunchtime 2022 Division 2

Sad Splits, Winter, Adjacency Love

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

CodeChef Starters 33 Division 2 (Rated)

Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal

CodeChef Starters 34 Division 2 (Rated)

Binary Mismatch, Average Array, Binary String Xor, Good Permutation

Starters 35 Division 2 (Rated)

Jump to Sibling, Dark Light, Chef Find XOR Beautiful, Concurrent Lines, Admins and Shopping

Starters 37 Division 2 (Rated)

Remove Balance, Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum

Starters 38 Division 2 (Rated)

Good Pairs, Average Gift, Circular Track

May Lunchtime 2022 Division 2 (Rated)

Bucket and Water Flow , Maximum Pairwise Modular Sum

Starters 39 Division 2 (Rated)

Compress the Video, Crazy Substrings, Minimize Blocked Roads, Closest Vowels

Starters 41 Division 2 (Rated)

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

Starters 42 Division 2 (Rated)

Maximise Set Bits , Minimum or Maximum, Divisible by 3

Starters 44 Division 2 (Rated)

Alternating Strings, Atleast and Atmost, Triple Xor, Dense Bracket Sequence

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing

Starters 45 Division 2 (Rated)

Even Equal Odd, Xor and Multiply, KBG and GN-Theory, Retrieve the Array, Adjacent Sum Parity

Starters 46 Division 2 (Rated)

Prime Xor, Array sorting, Sort the String

Total Problems Solved: 140