Rahul Singhal

• Username: 4★codevirus
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 26

Current Ratings Graph Old Ratings Graph

1829 (+32)RatingProvisional
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December Challenge 2014(2014-12-15 17:00:00)

Global Rank:   668

Cheated in:   

Ratings System Update

(2014-12-15 17:00:00)

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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1829 (-25)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2014(2022-12-20 00:00:00)

Global Rank:   668

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 (26)

June Challenge 2012

Arranging Cup-cakes, Little Elephant and Candies

July Challenge 2012

Gift Rift

August Challenge 2012

Little Elephant and Bombs

July Cook-Off 2012

Ciel and Receipt

September Cook-Off 2012

Recipe Reconstruction, Carvans

November Challenge 2012

Coin Flip

February 2013 Challenge

Buy1-Get1

September Challenge 2013

CAO Stage-2, CAO Stage-1, Project Spoon, Chef and Integers , Cool Guys, Little Elephant and Exams

September Cook-Off 2013

Strange Matrix

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers

December Challenge 2013

Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Chef and Feedback, Bon Appetit, Magic Trick, Please like me

February Cook-Off 2014

Chef and Remissness, Chef and Kingship

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

October Cook-Off 2014

The Army, Walk on the Axis, Mahesh and his lost array

February Challenge 2014

Longest Common Pattern, Little Elephant and Subarrays

August Challenge 2014

The Leaking Robot, Chef and Gift

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

Remy paints the fence, Chef and Ground, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Let us construct palindrome

December Challenge 2014

Chef and Bracket-Pairs, XOR with Subset, Chef and Apple Trees

Total Problems Solved: 95