Vaibhav Singhania

• Username: 1★harsh_2301
• Country:  India
• Student/Professional:Student
• Institution:Oxford Public School Ranchi, Jharkhand
• 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: 16

Current Ratings Graph Old Ratings Graph

1231 (+125)RatingProvisional
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June Challenge 2020 Division 2(2020-06-15 15:00:02)

Global Rank:   5736

Cheated in:   

Ratings System Update

(2020-06-15 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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1231 (-91)RatingProvisional
Rating i Provisional Rating, click to know more

June Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   5736

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 (16)

February Lunchtime 2019 Division 2

Average Number

May Challenge 2019 Division 2

Reduce to One

June Challenge 2019 Division 2

Chef and Proxy, Guddu on a Date, Chef and Ingredients, Sum and GCD, Road Signs

July Lunchtime 2019 Division 2

Easy Math

August Challenge 2019 Division 2

Zombie and the Caves, Distribute Apples, Football, Dilemma, Guddu and his Mother

August Cook-Off 2019 Division 2

Chef Drinks Coke

August Lunchtime 2019 Division 2

Eidi Gift

October Challenge 2019 Division 2

Even Edges, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

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

December Lunchtime 2019 Division 2

Stupid Machine, Check Algorithm, Guess the number

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Equality, Breaking Bricks

February Challenge 2020 Division 1

School of Geometry

April Challenge 2020 Division 1

Strange Number, Squared Subsequences

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food, Under the Tunnels

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control

Total Problems Solved: 53