Romil Jain

• Username: 3★lucifer_rj
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad 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: 27

Current Ratings Graph Old Ratings Graph

1611 (+22)RatingProvisional
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March Lunchtime 2017(2017-03-25 22:30:00)

Global Rank:   542

Cheated in:   

Ratings System Update

(2017-03-25 22:30:00)

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1611 (+2)RatingProvisional
Rating i Provisional Rating, click to know more

March Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   542

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 (27)

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Cooking Machine

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Bank robbery

December Challenge 2015

Chef and the stones, Oracle Devu and Longest Common Subsequence

September Mega Cook-Off 2015

Forgotten Language

August Lunchtime 2015

Minimum Maximum

January Long Challenge 2016

Rupsa and the Game, Churu and Balls, Chef and Time Machine, Devu and Perfume

February Challenge 2016

Chef-Detective, Chef and Strange Operations

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

May Challenge 2016

Chef and Balls

June Challenge 2016

Chef And The Hiring Event, Chef And Binary Operation, Chef and Coins Game, Devu and an Array

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity, Chef and Robots Competition

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

Chef and Friends, Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Chef and Keyboard, Chef and Three Dogs

December Challenge 2016

Train Partner

January Cook-Off 2016

Chef and Fruits

May Cook-Off 2016

Phantasialand

October Cook-Off 2016

ChefWatson uses Social Network, Watson asks Does Permutation Exist

May Lunchtime 2016

Akhil And Colored Balls

June Lunchtime 2016

Collisions, One more weird game

July Lunchtime 2016

Drumpf for President!

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior, Tourists in Mancunia

March Challenge 2017

Xenny and Alternating Tasks

February Lunchtime 2017

Bear and Milky Cookies

March Cook-Off 2017

Safe Robot

March Lunchtime 2017

Bear and Ladder

Total Problems Solved: 63