Anirban Saha

• Username: 5★dumbhead
• Country:  India
• Student/Professional:Professional
• Organisation:Microsoft India Development Center
• 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: 30

Current Ratings Graph Old Ratings Graph

2132 (+28)RatingProvisional
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October Challenge 2014(2014-10-13 15:00:00)

Global Rank:   251

Cheated in:   

Ratings System Update

(2014-10-13 15:00:00)

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2132 (+61)RatingProvisional
Rating i Provisional Rating, click to know more

October Challenge 2014(2022-12-20 00:00:00)

Global Rank:   251

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 (30)

April Long Contest

Number Game Revisited

April Cook-Off Challenge

A Prime Conjecture, Internet Media Types

May Long Contest 2011

Tree Product, The Great Wall of Byteland

May Cook-off 2011

Popular Rice Recipe

June Long Contest 2011

Chef Teams

June Cook-off

Correctness of Knight Move

February 2012 Challenge

Lucky Count, Lucky Long, Word Couting, Count of Maximum

April Challenge 2012

Double Strings, Stacking Pancakes

July Challenge 2012

My Fair Coins, Gift Rift, Restaurant Rating

August Challenge 2012

Little Elephant and Bombs, Range of Data, Delivery Boy

August Cook-Off 2012

Code Crazy Minions

September Challenge 2012

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

October Challenge 2012

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

September Cook-Off 2012

Recipe Reconstruction, Carvans

October Cook-Off 2012

Buying Sweets

November Cook-Off 2012

Little Elephant and Permutations, Little Elephant and Divisors

December Challenge 2012

Granama Recipes, Book Exercises, Magic Rankings, The Uncountable Ways, Pizza Delivery

December Cook-Off 2012

Packaging Cupcakes, Reversing directions

January Challenge 2013

Little Elephant and Alcohol, Three Different Numbers

February 2013 Challenge

Little Elephant and Cards, Buy1-Get1, Magic Board, Triangular Queries, Climbing Stairs, Efficient Painting

May Challenge 2013

Matchsticks, Witua and Math, Tree Counting, Password Cracking Challenge, Juno Puzzle for May, Name Reduction, Your Name is Mine, Field Trip

June Challenge 2013

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

May Cook-off 2013

Subtraction Game 1

June Cook-Off 2014

Counting Flags, Painting

June Challenge 2014

Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Two Companies, Guessing Game

July Challenge 2014

Garden Game, Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point, Dish Owner, Game of Numbers

August Challenge 2014

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

September Challenge 2014

Factorisation, Chef and Rainbow Array - 2, Chef and Swaps, Chef and Left-Right, Chef and sequence, Fun with Rotation, Flooring

October Challenge 2014

Remy paints the fence, Sereja and two strings, Chef and Ground, Chef and Painting, Chef and Square, Magical Girl and Colored Liquid Potions, DevuLand, Dinosaurs and Laddus

Total Problems Solved: 208