Rahul Singh

• Username: 4★selfcompiler
• Student/Professional:Professional
• Organisation:Flipkart Internet Pvt. Ltd.
• CodeChef Pro Plan: No Active Plan. View Details

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Last 6 Months 2025 (Jul-Dec)2025 (Jan-Jun)2024 (Jul-Dec)2024 (Jan-Jun)

Rating Graph

No. of Contests Participated: 34

Current Ratings Graph Old Ratings Graph

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March Challenge 2018 DIV 2(2018-03-12 15:00:00)

Global Rank:   2045

Cheated in:   

Ratings System Update

(2018-03-12 15:00:00)

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1828 (+124)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2018 DIV 2(2022-12-20 00:00:00)

Global Rank:   2045

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 (34)

February 2012 Challenge

Count of Maximum

April Challenge 2012

Parallel Computing, Fit to Play, Double Strings, Stacking Pancakes, Greatest Dumpling Fight, Similar Graphs

April Cook-Off 2012

Top Batsmen

May Challenge 2012

Killing Gs, Jewels and Stones, Lucky lucky number, Divisible Pairs, Remember the recipe, A Home for Chef

May Cook-Off 2012

Little Elephant and Strings

June Challenge 2012

Closest Points, Polynomial Partition Function, Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets, Connecting Soldiers

July Challenge 2012

Chef's Dream, My Fair Coins, The Gray-Similar Code, Little Elephant and Bubble Sort, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Lucky Driving, Range of Data, Delivery Boy

July Cook-Off 2012

Ciel and Receipt

August Cook-Off 2012

Forced Output, Code Crazy Minions

September Challenge 2012

Simultaneous Nim, Lights, Kisses & Hugs, Chef World, Racing Horses, Queries About Numbers, ChefTown Parade, Three is Crowd

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, Maximum Sub-rectangle in Matrix, The New Scheme, Need More Diamonds

September Cook-Off 2012

Recipe Reconstruction, Carvans

January Challenge 2013

Three Different Numbers

March Challenge 2013

Random decreasing function, Tourist Translations, Approximately, Fire Escape Routes, Minesweeper

April Challenge 2013

Little Elephant and Music, Barcelona Gameplay Tactics, ChefGame, Kingdom Unity, Fault Tolerance, Maximum Weight Difference, Levy Conjecture

June Challenge 2013

Little Elephant and Mouses, Collecting Magical Berries, Just Some Permutations 3, Dessert Wizard, Predictopus, To challenge or not, W String, Lapindromes

August Challenge 2013

Little Elephant and Lemonade, Hello Hello, Save The Princess, The Number Of Solutions, Chef and Segments, Deleting numbers, Splitting Candies

October Challenge 2013

Little Elephant and Bamboo, Helping Lira, Maxim and Dividers, Sereja and Transformation, Yet Another Nice Girl

July Cook-Off 2014

Copy-Paste, Sum Queries

August Cook-Off 2014

Tree Game, Permutation Shuffle

September Cook-Off 2014, ACM-ICPC Warm up

Sherlock and the Grid, Subarray GCD

August Challenge 2014

Mountain Holidays 2, Little Elephant and T-Shirts, Chef and Reversing, The Leaking Robot, Cleaning Tables, Chef and Gift

November Challenge 2014

Distinct Characters Subsequence

April Challenge 2016

Chef and Ballons, Chef And Coloring

January Challenge 2017

Capital Movement, Cats and Dogs, Reservior

February Challenge 2017

Chef and his Best Friend

March Challenge 2017

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

January Cook-Off 2017

Digit Longest Increasing Subsequences 2

August Long Challenge 2017

Chef and Mover

March Challenge 2018 DIV 2

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

Total Problems Solved: 227