Abhinav Singh

• Username: 3★abinator_1308
• 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 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 25

Current Ratings Graph Old Ratings Graph

1796 (-8)RatingProvisional
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April Lunchtime 2020 Division 1(2020-04-25 22:40:00)

Global Rank:   374

Cheated in:   

Ratings System Update

(2020-04-25 22:40:00)

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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1796 (-50)RatingProvisional
Rating i Provisional Rating, click to know more

April Lunchtime 2020 Division 1(2022-12-20 00:00:00)

Global Rank:   374

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 (25)

January Challenge 2017

Reservior, Cats and Dogs

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, (CH) Bear and Sorted Rows, Bandwidth of a matrix

May Challenge 2017

Chef and Sub Array , Chef and his daily routine, 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

July Challenge 2017

Chef and Sign Sequences, Whats in the Name, Calculator

August Long Challenge 2017

Chef and Rainbow Array, Greedy Candidates, Chef and Mover, Palindromic Game

October Challenge 2017

Chef and a great voluntary Program, Max Mex, Counter Test For CHEFSUM, A Balanced Contest

November Challenge 2017

Periodic Palindrome Construction, Villages and Tribes, Chef goes Left Right Left, Chef Hates Palindromes

December Challenge 2017

Chef and Universe, Total Diamonds, Chef And his Cake, Penalty Shoot-out, Chef and Hamming Distance of arrays

February Challenge 2018

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

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove, Chef and Easy Problem

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob

Quick Code (Rated for Division 2)

Immortal Frieza

March Challenge 2019 Division 2

Chef and a Beautiful Digit, Chef and Number Game, Chef got Recipes

September Lunchtime 2019 Division 2

Chef Feeds Cats, Chef and Football Match, All Substrings, Find the Sum

October Challenge 2019 Division 2

Array Modification, Operations on a Matrix, Phone Prices

January Challenge 2020 Division 2

Breaking Bricks, Doraemon, Chef and Dynamo, Equality

February Challenge 2020 Division 2

The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

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

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

April Lunchtime 2020 Division 1

Positive Mex

Total Problems Solved: 116