Abhinav Singh

• Username: 3★time_up
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 20

Current Ratings Graph Old Ratings Graph

1676 (+16)RatingProvisional
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June Lunchtime 2017(2017-06-24 22:30:00)

Global Rank:   797

Cheated in:   

Ratings System Update

(2017-06-24 22:30:00)

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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1676 (-102)RatingProvisional
Rating i Provisional Rating, click to know more

June Lunchtime 2017(2022-12-20 00:00:00)

Global Rank:   797

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 (20)

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Na2a and lucky stone, Chef and Cube, Bread

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Count Steps in Matrix, Cracking the Code, Lighthouses, Bank robbery, Nikitosh and xor, Chain of Doughnuts

November Challenge 2015

Chef and cakes

December Challenge 2015

Chef and the stones

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu

August Cook-Off 2015

Chef and the Wildcard Matching, Chef and the XORed Number

September Mega Cook-Off 2015

Forgotten Language

August Lunchtime 2015

Minimum Maximum

May Challenge 2016

Forest Gathering, Laddu

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

May Challenge 2017

Courses in an university, Median of adjacent maximum numbers

June Challenge 2017

A Good Set, Pairwise union of sets, Triplets, Xenny and Coin Rankings, Chef and the Feast

June Cook-Off 2017

Ada and crayons, SnackUp

May Lunchtime 2017

Prefix Inversions

June Lunchtime 2017

Maximum Unique Segment, Two Numbers

Total Problems Solved: 134