Piyush Naithani

• Username: 4★lm10_piyush
• Country:  India
• Student/Professional:Student
• Institution:ABES Engineering College Ghaziabad, 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: 34

Current Ratings Graph Old Ratings Graph

1833 (-32)RatingProvisional
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June Lunchtime 2022 Division 2 (Rated)(2022-06-19 23:10:02)

Global Rank:   1318

Cheated in:   

Ratings System Update

(2022-06-19 23:10:02)

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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1833 (+61)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2022 Division 2 (Rated)(2022-12-20 00:00:00)

Global Rank:   1318

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 (34)

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

August Challenge 2018 Division 2

Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Interactive Contests, Chef and An Ideal Problem

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

September Lunchtime 2018 Division 2

Judging Delay

October Lunchtime 2018 Division 2

Three Friends

January Challenge 2019 Division 2

Lucky Number Game, Fancy Quotes, Chef and Modulo Game

February Challenge 2019 Division 2

Manhattan Rectangle, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Art of Balance, Deputy Chef

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Yet Again a Subarray Problem, Chef and Number Game, Chef got Recipes

Coders' Legacy 2019 (Rated for all)

IPL and RCB

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

May Challenge 2019 Division 2

Matches, Reduce to One

June Challenge 2019 Division 2

Chef and Ingredients, (Challenge) SnackDown 99, Sum and GCD, Guddu on a Date, Chef and Proxy, Road Signs

July Challenge 2019 Division 2

Parity Again, Minimum and Maximum, Chef and Mean

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Chef and Interesting Subsequences , Chef and Good Subsequences, Easy Fibonacci, Chef Designed a Network

October Challenge 2019 Division 2

Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices, Even Edges

November Challenge 2019 Division 2

Single Point of Failure, (Challenge) Coloring Triangulations, Chef and Minimum Colouring, Weapon Value, From Zero to Infinity, Smallest Beautiful Number, Hard Sequence, Physical Exercise

December Cook-Off 2020 Division 1

Self-Destructing Strings, Circle of Chaos

January Lunchtime 2021 Division 1 (Unrated)

Dreams of Divisibility, Even Sum

March Cook-Off 2021 Division 1

Consecutive Deletions

February Lunchtime 2021 Division 1

Sed Max, Average Sorting

March Lunchtime 2021 Division 1

Uniform, Lunchtime

April Cook-Off 2021 Division 1

OR of ANDs

May Cook-Off 2021 Division 2

The Last Problem, Double Burgers, Chef and Subarrays

May Lunchtime 2021 Division 2

Charges, Tom And Jerry 1, Total Components

June Cook-Off 2021 Division 2

The Wave

June Lunchtime 2021 Division 2

False Number, Unpleasant Ones

August Cook-Off 2021 Division 2

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

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array

Total Problems Solved: 216