Vishal Singh

• Username: 3★walrus666
• Country:  India
• Student/Professional:Student
• Institution:Birla Institute of Technology Mesra Ranchi, Jharkhand, 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: 42

Current Ratings Graph Old Ratings Graph

1657 (-21)RatingProvisional
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September Challenge 2019 Division 2(2019-09-16 15:00:02)

Global Rank:   5960

Cheated in:   

Ratings System Update

(2019-09-16 15:00:02)

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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1657 (+93)RatingProvisional
Rating i Provisional Rating, click to know more

September Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   5960

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 (42)

July Challenge 2013

Chef and Walking on the rectangle

August Challenge 2013

Little Elephant and Lemonade, Splitting Candies, Hello Hello

September Challenge 2013

Cool Guys, CAO Stage-1

October Challenge 2013

Helping Lira, Maxim and Dividers

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

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

January Challenge 2014

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

January Cook-off 2014

Chef and the Cake I

April Cook-Off 2014

Snape and Ladder

May Cook-Off 2014

Divide the Cake, Ups and Downs

October Cook-Off 2014

The Army, Walk on the Axis

November Cook-Off 2014

Brackets, Petersen Graph

December Cook-Off 2014

Player, Good Joke!

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees, Chef and Digits, Counting Matrices

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Dish Owner, Chef and Rectangle Genome, Reach The Point, Chef and Frogs, Count Substrings

August Challenge 2014

The Leaking Robot, Chef and Gift, Chef and Reversing

September Challenge 2014

Chef and Rainbow Array - 2, Chef and Left-Right, Fun with Rotation

October Challenge 2014

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

November Challenge 2014

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

December Challenge 2014

Chef and Apple Trees

May Lunchtime 2014

Approximately II

October Lunchtime 2014

Tanu and Head-bob

January Challenge 2015

Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

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

March Challenge 2015

Chef and Notebooks

July Cook-Off 2018 Division 2

Encoding Message, OR Matrix

August Challenge 2018 Division 2

Problem Sort, Sheokand and Number, Spell Bob

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

January Challenge 2019 Division 2

Fancy Quotes, Distinct Pairs, Lucky Number Game

February Challenge 2019 Division 2

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

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

July Challenge 2019 Division 2

Minimum and Maximum, Chef and Mean

September Challenge 2019 Division 2

Chef and Interesting Subsequences

Total Problems Solved: 117