Siddhartha Jain

• Username: 3★sid_19
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Bangalore, 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: 20

Current Ratings Graph Old Ratings Graph

1768 (+44)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2018-05-14 15:00:00)

Global Rank:   111

Cheated in:   

Ratings System Update

(2018-05-14 15:00:00)

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?

1768 (-135)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2018 Division 2(2022-12-20 00:00:00)

Global Rank:   111

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 (20)

August Challenge 2016

Chef and Chocolate

September Challenge 2016

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

December Challenge 2016

Train Partner

July Cook-Off 2016

Chef and Proportion

October Cook-Off 2016

Watson asks Does Permutation Exist

December Cook-Off 2016

Chef and Subset

July Lunchtime 2016

Drumpf for President!

December Lunchtime 2016

Superheroes and villains

January Challenge 2017

Reservior, Cats and Dogs, Capital Movement

February Challenge 2017

Chef and Triangles, Chef and His Apartment Dues, Gerrymander

March Challenge 2017

Xenny and Alternating Tasks, Bear and Extra Number, Bandwidth of a matrix

May Challenge 2017

Chef and his daily routine, Courses in an university, Median of adjacent maximum numbers, Chef and Subsequences

June Challenge 2017

Triplets, Xenny and Coin Rankings, A Good Set, Chef and the Feast

July Challenge 2017

Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

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

October Challenge 2017

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

March Lunchtime 2017

Bear and Ladder

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

May Challenge 2018 Division 2

Mighty Friend, Change the Signs, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

Total Problems Solved: 168