vinay kr singh

• Username: 3★vinaykumar23
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Dhanbad
• 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: 10

Current Ratings Graph Old Ratings Graph

1680 (+28)RatingProvisional
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March Challenge 2016(2016-03-15 15:00:00)

Global Rank:   536

Cheated in:   

Ratings System Update

(2016-03-15 15:00:00)

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1680 (-107)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2016(2022-12-20 00:00:00)

Global Rank:   536

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 (10)

December Challenge 2014

Chef and Apple Trees

January Challenge 2015

Sereja and Number Division 2, Chef and Stones, Sereja and Votes, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Equality

March Challenge 2015

Chef and Notebooks

August Challenge 2015

Cooking Machine, Aditi and Magic Trick

October Challenge 2015

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

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

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

Total Problems Solved: 49