Purnendu Vashistha

• Username: 3★purnendu_vashi
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Kalyani West Bengal, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1718 (+30)RatingProvisional
Rating i Provisional Rating, click to know more

December Lunchtime 2021 Division 2(2021-12-25 23:00:02)

Global Rank:   839

Cheated in:   

Ratings System Update

(2021-12-25 23:00:02)

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?

1718 (-161)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   839

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 (20)

March Challenge 2020 Division 2

Pintu and Fruits

April Challenge 2020 Division 2

Sell All the Cars, COVID Pandemic and Long Queue

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

July Challenge 2020 Division 2

Ada King, Chef and Card Game, Chef and Strings

March Challenge 2021 Division 3

Interesting XOR!, Chef and Groups, Space Arrays, No Time to Wait

March CodeChef Starters 2021 Division 3 (Rated)

College Life 5, Possible Victory, Nobel Prize

April Challenge 2021 Division 3

Chef and Dice, Valid Pair, World Record, Strong Language

May Challenge 2021 Division 3 (Rated)

Xor Equality, Tic Tac Toe, Golf, Solubility

July Lunchtime 2021 Division 3

Red Alert, Beautiful Pairs, Chef and Spells

CodeChef Starters 6 Division 3 (Rated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 3 (Rated)

Chess Format, Food Chain

CodeChef Starters 9 Division 3 (Rated)

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

CodeChef Starters 13 Division 2 (Rated)

Chef in Vaccination Queue, Maximum Light Up, Magical Doors

September Lunchtime 2021 Division 2

Balanced and Unique Arrays, Yet another SOD problem

November Cook-Off 2021 Division 2

Missing Sums, Make it Divisible

C.O.D.E.R.S Division 2 (Rated)

The One On The Last Night, The One with All the Candy, The One with Ross Wedding

November Lunchtime 2021 Division 2

Expected Weight, Strange Minimization, Rapid Re-Orderings

December Cook-Off 2021 Division 2

Median Minimization, Binary String Game, Musical Chairs

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

Total Problems Solved: 93