Vaibhav Singh

• Username: 4★vaibhav0309
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Guwahati Assam
• 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: 22

Current Ratings Graph Old Ratings Graph

1852 (+45)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2020-12-14 15:00:00)

Global Rank:   150

Cheated in:   

Ratings System Update

(2020-12-14 15:00:00)

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?

1852 (-203)RatingProvisional
Rating i Provisional Rating, click to know more

December Challenge 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   150

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 (22)

December Challenge 2017

Penalty Shoot-out, Chef And his Cake

November Cook-Off 2017

Random Pair

January Challenge 2018

Maximum Score, Rectangle

January Cook-Off 2018

Survive in ChocoLand

January Lunchtime 2018

Chef and Game with Sequence

February Challenge 2018

Chef And His Characters, Chef And The Patents, Car-pal Tunnel, Permutation and Palindrome

February Cook-Off 2018

Chef and Cook-Off

February Lunchtime 2018

Jumping in the hills

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

April Challenge 2018 Division 2

Workers

September Challenge 2018 Division 2

Magician versus Chef, War of XORs, Chef and Adventures

December Challenge 2018 Division 2

Chef and Interactive Contests, Chef and An Ideal Problem

December Challenge 2019 Division 2

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

December Cook-Off 2019 Division 2

Change It

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

April Challenge 2020 Division 2

COVID Pandemic and Long Queue, Leaked Answers (Challenge), Sell All the Cars, Ready Bitwise, Squared Subsequences, Strange Number, Unit GCD

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

September Challenge 2020 Division 1

Find XOR, Ada Matrix, Chef and Trump Cards, Chefina and Swap

August Lunchtime 2020 Division 1

Game on a Strip, Alien Invasion

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

Total Problems Solved: 71