Preeyam Sahu

• Username: 3★lightningneo02
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology & Science Pilani, Goa Campus
• 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: 37

Current Ratings Graph Old Ratings Graph

1626 (-24)RatingProvisional
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June Lunchtime 2022 Division 2 (Rated)(2022-06-19 23:10:02)

Global Rank:   1778

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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1626 (-10)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   1778

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 (37)

March Challenge 2019 Division 2

Chef and Number Game

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining

May Cook-Off 2019 Division 2

Chain Reaction

May Lunchtime 2019 Division 2 (Unrated)

CV

June Challenge 2019 Division 2

Chef and Proxy

June Cook-Off 2019 Division 2

Multiple Choice Exam, Eat Twice

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Chef and Mean

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

August Cook-Off 2019 Division 2

Chef Drinks Coke

August Lunchtime 2019 Division 2

Eidi Gift, Chef and Trip

September Challenge 2019 Division 2

Easy Fibonacci, Biladerim Icin, Chef Designed a Network, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Array Modification, Operations on a Matrix, Phone Prices

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!, Addition

January Challenge 2020 Division 2

Chef and Dynamo, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash, (Challenge) Raisins

April Challenge 2020 Division 2

Strange Number, Unit GCD, Sell All the Cars, COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Coronavirus Spread, Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

February Cook-Off 2020 Division 2

XOR Game, Penalty Shoot-Out II, Tax Slabs

March Cook-Off 2020 Division 2

Find Your Gift

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

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, 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

July Cook-Off 2020 Division 2

Even-tual Reduction, OR-thodox Distinction

July Lunchtime 2020 Division 2

Chef and Steps

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing

December Challenge 2020 Division 2

Hail XOR, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

January Challenge 2021 Division 3

Watching CPL, Fair Elections, Chef and Division 3, Point Of Impact, Encoded String

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

March Challenge 2021 Division 2

Interesting XOR!, Space Arrays

April Challenge 2021 Division 2

Worthy Matrix, Chef and Dice, Valid Pair

May Challenge 2021 Division 2 (Rated)

Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 2 (Unrated)

Bella ciao, Summer Heat

August Challenge 2021 Division 2 (Unrated)

Problem Difficulties, Olympics Ranking

May Long Two 2022 Division 2 (Unrated)

Xor Palindrome, Subarrays with length, Make them Zero

June Long One 2022 Division 2 (Unrated)

Reduce to zero, Divisible by i , Possible GCD, Alternate Additions, Equal Strings

June Lunchtime 2022 Division 2 (Rated)

Zero Ones Equal One Zeros, The Lost Array

June Long Two 2022 Division 2 (Unrated)

Count the ACs

Total Problems Solved: 139