Amit Rai

• Username: 2★amit89r
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon
• 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: 34

Current Ratings Graph Old Ratings Graph

1470 (-68)RatingProvisional
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October Challenge 2021 Division 3 (Rated)(2021-10-11 15:00:00)

Global Rank:   17367

Cheated in:   

Ratings System Update

(2021-10-11 15:00:00)

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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1470 (+204)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2021 Division 3 (Rated)(2022-12-20 00:00:00)

Global Rank:   17367

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)

None

Contests (34)

February 2012 Challenge

Count of Maximum, Lucky Long

March 2012 Challenge

Spoon in Matrix

April Challenge 2012

Fit to Play, Double Strings, Stacking Pancakes

May Challenge 2012

Jewels and Stones, Lucky lucky number

May Challenge 2013

Matchsticks, Your Name is Mine, Name Reduction

January Challenge 2014

Magic Trick, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Colored Array, Little Elephant and Subarrays, Make Him Happy, Draughts, Longest Common Pattern

March Challenge 2014

Team Split, Binary Tournament, Walk, Maximum number, GCD condition, Little Chef and Numbers, Mike and Stamps

May Challenge 2014

Chef and Strange Matrix, Stone, Chef-jumping, Compilers and Parsers

June Challenge 2014

Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Dish Owner, Reach The Point, Count Substrings, Chef and Frogs, Chef and Rectangle Genome, Little Elephant and Painting, Garden Game

August Challenge 2014

Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

October Challenge 2014

Remy paints the fence, Chef and Ground, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

November Challenge 2014

Chef and Segment Game, Let us construct palindrome, Chef and Red Black Tree, Distinct Characters Subsequence

December Challenge 2014

Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

January Challenge 2015

Gcd Queries, One Dimensional Kingdoms, Chef and Stones, Chef and A Large Permutation, Sereja and Votes

May Challenge 2015

Chef and new recipe

June Challenge 2015

Chef and His Friend, Chef and Memory Limit, Chef and Polygons

June Cook-Off 2015

Strange operations

October Challenge 2017

Max Mex, A Balanced Contest

July Challenge 2019 Division 2

Chef and Mean

December Challenge 2019 Division 2

Plus Multiply, That Is My Score!, Easy Subsequence Selection

January Challenge 2020 Division 2

Equality, Breaking Bricks

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

July Challenge 2020 Division 2

Chefina and Swaps, Missing a Point, Chef and Strings

October Challenge 2021 Division 3 (Rated)

Digit Removal

Total Problems Solved: 106