Shubham Choudhary

• Username: 4★shubh321
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Madras
• 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

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October Challenge 2019 Division 1(2019-10-14 15:00:00)

Global Rank:   89

Cheated in:   

Ratings System Update

(2019-10-14 15:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1893 (-209)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   89

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)

June Challenge 2016

Chef and Coins Game

July Challenge 2016

Andrash and Stipendium, Chefland and Electricity, Chef and Tetris, Chef and Robots Competition

August Challenge 2016

Chef and Chocolate, Chef and Round Run

September Challenge 2016

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

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs, Chef and Two String

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

December Challenge 2016

Our Base is Under Attack, Kirito in labyrinth, Train Partner

June Cook-Off 2016

Sticks, Right Triangle

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

September Cook-Off 2016

Lazy Jem

October Cook-Off 2016

Watson asks Does Permutation Exist, ChefWatson uses Social Network

June Lunchtime 2016

Collisions, One more weird game

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

October Lunchtime 2016

The Largest Bouquet

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

August Long Challenge 2017

Chef and Mover, Chef and Rainbow Array

June Cook-Off 2018 Division 1

Good Permutations

April Challenge 2018 Division 2

Chef and Array (Challenge), Weight of Numbers, Highway Crossing, Count Good Prefixes, Average of Pairs, Workers

October Challenge 2018 Division 1

Chef and Surprise Chessboard, Appy and Balloons

January Challenge 2019 Division 1

Different Neighbours, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Manhattan Rectangle, Chef and Secret Ingredients, Art of Balance

June Challenge 2019 Division 2

Chef and Proxy, Sum and GCD, Chef and Ingredients, Guddu on a Date, Lent Money, Road Signs

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Biladerim Icin, Fuzzy Linear Combinations, Doofish Set, Chef Designed a Network, Chef and Interesting Subsequences , (Challenge) Sebi and CPU Design

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

Total Problems Solved: 90