Rahul

• Username: 5★rahulb1999
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology Bombay Mumbai, Maharashtra, India
• 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: 36

Current Ratings Graph Old Ratings Graph

2162 (-11)RatingProvisional
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March Cook-Off 2022 Division 1(2022-03-05 22:30:00)

Global Rank:   152

Cheated in:   

Ratings System Update

(2022-03-05 22:30:00)

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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2162 (-20)RatingProvisional
Rating i Provisional Rating, click to know more

March Cook-Off 2022 Division 1(2022-12-20 00:00:00)

Global Rank:   152

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 (36)

September Cook-Off 2017

Subsequence Equality

May Cook-off 2018 Division 2

Secret Recipe

December Cook-Off 2018 Division 2

Camp Or Not, Yalalovichik Numbers

August Challenge 2018 Division 2

Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

December Challenge 2018 Division 1

Max and Electrical Panel

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Good Median, Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Appy and Balloons , Beautiful Bricks, Chef and Surprise Chessboard, Chef and Serves, Byte to Bit, Chef and Circles

September Lunchtime 2018 Division 2

Judging Delay, Chef Restaurant

January Challenge 2019 Division 1

Different Neighbours, Distinct Pairs

April Challenge 2019 Division 2

Playing with Numbers, Friend or Girlfriend, Maximum Remaining, Subtree Removal, Fencing

May Challenge 2019 Division 1

Where to Build the Roads

May Cook-Off 2019 Division 1

Misha and Nice Sets, Expected Xor, Searching for a Biclique

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Intersecting Paths, Sum and GCD

July Challenge 2019 Division 1

Hit the Coconuts, Guess the Prime!, Codechef War, Circular Merging

July Cook-Off 2019 Division 1

Birthday Gift Again, Expected Product

July Lunchtime 2019 Division 1 (Unrated)

Delete a Subarray

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Chef and Gordon Ramsay

August Lunchtime 2019 Division 1

Destroy Cells, Chef Does Coke Yet Again

September Mega Cook-Off 2019 Division 1

Angry Grandfather, Fitness Exercises

September Lunchtime 2019 Division 1

All Substrings, Ice Cream Queue, Treeversion, Find the Sum

October Challenge 2019 Division 1

Even Edges, Bacterial Reproduction, Chef and Maximum Star Value, Array Modification

October Lunchtime 2019 Division 1 (Unrated)

Counting Inversions Again!, Box Game

November Lunchtime 2019 Division 1

Planting Trees, Washing Windows, Perfection

December Cook-Off 2019 Division 1

Xor It, The Inexplicable Giant Floating Baby Head

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English

January Cook-Off 2020 Division 1

Profitable Paths, Range AND, Chefina and Sums

February Cook-Off 2020 Division 1

XOR Game

March Cook-Off 2020 Division 1

Mysterious Sequence, Maximize Letter Beauty, Random Chocolates, Escape the Tree

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

January Lunchtime 2020 Division 1

Construct Array, Under the Tunnels, Folding Paper

March Lunchtime 2020 Division 1 (Unrated)

Maximize LCM

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

January Challenge 2021 Division 1

Cool Subsets, Chef and Ants, Expected Number of SCCs, Blackjack, Chef and Division 3

January Lunchtime 2021 Division 1 (Unrated)

Good Grid, Dreams of Divisibility, Even Sum

May Lunchtime 2021 Division 1

Total Components, K-Subarrays

June Cook-Off 2021 Division 1

Binary String on Steroids

March Cook-Off 2022 Division 1

Secret Tree, Alternating Divisibility

Total Problems Solved: 177