Puspendu Das

• Username: 3★riderpd
• Country:  India
• Student/Professional:Student
• Institution:Jalpaiguri Government Engineering College West Bengal, 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: 31

Current Ratings Graph Old Ratings Graph

1678 (-39)RatingProvisional
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Starters 99 Division 2 (Rated)(2023-07-19 22:15:02)

Global Rank:   1728

Cheated in:   

Ratings System Update

(2023-07-19 22:15:02)

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1739 (-86)RatingProvisional
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CodeChef Starters 32 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   935

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 (31)

December Challenge 2020 Division 2

Vaccine Distribution

January Challenge 2021 Division 3

Chef and Division 3, Encoded String

March Cook-Off 2021 Division 3

Pawri Meme, Weight Balance

February Lunchtime 2021 Division 3

Daanish and Problems

CodeChef Div 3 Rated Contest 2021 Division 3

Body Mass Index

February CodeChef Starters 2021 Division 3 (Rated)

Chef and Coupon

March Challenge 2021 Division 3

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

March Lunchtime 2021 Division 3

Motivation, Turn It

April Challenge 2021 Division 3

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

International Coding Marathon 2021 Division 3 (Rated)

Lucky Boundaries

April Cook-Off 2021 Division 3

Bodybuilder, Passing Marks, Chocolate Monger

April Lunchtime 2021 Division 3

Coldplay, Array Rotation, Chef in Heaven , Equinox Strings

SPYBITS IIT BHU Division 3 (Rated)

B - Valentine Couples, A - Save Water Save Life

April CodeChef Starters 2021 Division 3 (Rated)

Chef On Island, Hiring Test

May Lunchtime 2021 Division 3

Birthday Gifts, Charges, Hoop Jump, Tom And Jerry 1

May Challenge 2021 Division 3 (Rated)

Golf, Solubility, Modular Equation, Tic Tac Toe, Xor Equality

June Challenge 2021 Division 2 (Unrated)

Bella ciao, Summer Heat

June Lunchtime 2021 Division 2

From Rational to Binary, False Number, Unpleasant Ones

June CodeChef Starters 2021 Division 2 (Unrated)

Total Correct Submissions, Sleep Cycle, Chess Match, Chef and Queries, Cyclic Quadrilateral

July Challenge 2021 Division 2 (Unrated)

XxOoRr

July Cook-Off 2021 Division 2

Mod Equality, XOR-ORED

July Lunchtime 2021 Division 2

Beautiful Pairs, Array Rotation Returns

CodeChef Starters 6 Division 2 (Unrated)

Three Dices, Cricket Ranking

CodeChef Starters 7 Division 2 (Unrated)

Ceiling Sum

August Challenge 2021 Division 2 (Unrated)

Special Triplets, Chef and Bulb Invention, Problem Difficulties, Olympics Ranking

August Cook-Off 2021 Division 2

Equal Difference, Clear the Array, Chef and Closure, Different String

August Lunchtime 2021 Division 2

K-th Maximum, Crossing Blocks, Just a Graph

CodeChef Starters 9 Division 2 (Unrated)

Black cells in a chessboard, Large Square

CodeChef Starters 10 Division 2 (Rated)

Maximise the Subsequence Sum, Remove One Element

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

CodeChef Starters 11 Division 2 (Rated)

Positive Spewing, Obtain the Sum, The Grid Fill Problem

CodeChef Starters 14 Division 2 (Unrated)

FIXFIX

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Equal Beauty, Min Max LCM

CodeChef Starters 17 Division 2 (Rated)

GCD of Prefixes, New Piece

December Lunchtime 2021 Division 2

Maximum Trio, Optimal Sorting, Romantic Reversals

CodeChef Starters 22 Division 2 (Rated)

An Interesting Sequence, Even Subset Xor

Exun 2021-22 Division 2 (Rated)

Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game

CodeChef Starters 32 Division 2 (Rated)

Maximize the Minimum, Finding Shoes, Flip Sorting

June Long Two 2022 Division 2 (Unrated)

Count the ACs

Starters 97 Division 2 (Rated)

Schrodinger Smiley

Starters 99 Division 2 (Rated)

Card Swipe, Exclusion-Inclusion

Total Problems Solved: 197