Rahul

• Username: 4★ragnar
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bombay Mumbai, Maharashtra, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 18

Current Ratings Graph Old Ratings Graph

1947 (+54)RatingProvisional
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September Cook-Off 2016(2016-09-19 00:00:00)

Global Rank:   45

Cheated in:   

Ratings System Update

(2016-09-19 00:00:00)

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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1947 (+34)RatingProvisional
Rating i Provisional Rating, click to know more

September Cook-Off 2016(2022-12-20 00:00:00)

Global Rank:   45

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 (18)

February Challenge 2015

Chef and Strange Formula, Let us play with rank list, Chef and Equality, Chef and Chain

March Challenge 2015

Chef and Notebooks, Sign Wave

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe, Chef and Cake

July Challenge 2015

Chef and Cube, Na2a and lucky stone, Bread

August Challenge 2015

Way Out, Gravity Guy, Devu And Churu , Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts, Count Steps in Matrix, Bank robbery, Lighthouses, Cracking the Code

October Challenge 2015

Rupsa and Equilateral Triangle, Spheres, Count Subarrays, Time measure, Who dares to be a millionaire

December Challenge 2015

Chef and the stones, Plane Division, Oracle Devu and Longest Common Subsequence, Chef and Filters

February Cook-Off 2015

Fit Squares in Triangle

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

August Cook-Off 2015

Chef and the XORed Number , Chef and the Wildcard Matching

September Mega Cook-Off 2015

Forgotten Language, Super Numbers, Stacks

October Cook-Off 2015

Almost Sorted Permutation

April Lunchtime 2015

House Cleaning, Tickets

August Lunchtime 2015

Churu and lost string, Make Palindrome, Minimum Maximum

September Lunchtime 2015

Sum of palindromic numbers

April Challenge 2016

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

September Cook-Off 2016

Lazy Jem, The Lost Arithmetic Sequences, Counting Strings, Find The Point

Total Problems Solved: 113