amit kumar singh

• Username: 4★amit0873
• 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 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 17

Current Ratings Graph Old Ratings Graph

1851 (+35)RatingProvisional
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April Challenge 2020 Division 1(2020-04-13 17:30:00)

Global Rank:   314

Cheated in:   

Ratings System Update

(2020-04-13 17:30:00)

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1851 (-209)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   314

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 (17)

August Long Challenge 2017

Chef and Mover, Chef and Rainbow Array

September Challenge 2017

Minimum Good Permutation, Little Chef and Sums, Chef and Pick Digit

October Challenge 2017

A Balanced Contest

August Cook-Off 2017

From heaven to earth

August Lunchtime 2017

Mathison and pangrams

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

February Challenge 2018

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

February Lunchtime 2018

Game with numbers, Jumping in the hills

March Challenge 2018 DIV 1

Pishty and Triangles, Chef and Easy Problem, Chef and Gcd Queries, Mix the Colors, Minions and Voting

March Cook-off 2018 Division 1

Chef Goes to the Cinema, Chef Restores a Matrix

March Lunchtime 2018 Division 1 (Unrated)

Magic Elements, Partitions, Three Integers

April Lunchtime 2018 Division 1

The hardest gcd problem

April Challenge 2018 Division 1

Chef and Array (Challenge), Cutting Plants, Highway Crossing, Count Good Prefixes

Code Melange (Rated)

XD Subsequences, The Deadly Sin, Candy Love

January Challenge 2019 Division 1

A Pizza Slice, Distinct Pairs, Partition the Graph, Yet Another Problem About Sequences

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Perfect Power Divisors, Ready Bitwise, Leaked Answers (Challenge)

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Escape the Tree

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM

Total Problems Solved: 73