rahul khanna

• Username: 3★bright_future
• Country:  India
• Student/Professional:Professional
• Organisation:ShareChat
• 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: 27

Current Ratings Graph Old Ratings Graph

1734 (+18)RatingProvisional
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July Challenge 2018 Division 2(2018-07-16 15:00:10)

Global Rank:   968

Cheated in:   

Ratings System Update

(2018-07-16 15:00:10)

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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1734 (+19)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   968

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 (27)

October Challenge 2014

Magical Girl and Colored Liquid Potions, Chef and Ground

February Challenge 2015

Let us play with rank list, Chef and Equality, Chef and Chain

March Challenge 2015

Chef and Notebooks

May Challenge 2015

Chef and Prime Divisors, Chef and new recipe

June Challenge 2015

Chef and Memory Limit

August Challenge 2015

Cooking Machine

October Challenge 2015

Count Subarrays, Who dares to be a millionaire

September Lunchtime 2015

Sum of palindromic numbers

May Challenge 2016

Chef and Balls, Laddu

June Challenge 2016

Devu and an Array

July Challenge 2016

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

August Challenge 2016

Chef and Chocolate, Chef and Round Run

November Challenge 2016

Count Permutations, Chef and squares, Task for Alexey

July Cook-Off 2016

Chef and Proportion, Chef and Numbers

April Lunchtime 2016

Coins And Triangle

June Lunchtime 2016

Collisions, One more weird game

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

October Lunchtime 2016

The Largest Bouquet

November Challenge 2017

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

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out

March Challenge 2018 DIV 2

Minions and Voting, Minion Chef and Bananas, Chef and Glove, Mix the Colors, A Big Sale, Chef and Easy Problem

May Cook-off 2018 Division 1

Best Cake Ever

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Workers

May Challenge 2018 Division 2

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

July Challenge 2018 Division 2

No Minimum No Maximum, Magic Set, Strike or Spare

Total Problems Solved: 117