Ishan Bhatnagar

• Username: 5★ishanbhatnagar
• Student/Professional:Professional
• Organisation:InMobi Technologies Pvt Ltd
• 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: 29

Current Ratings Graph Old Ratings Graph

2136 (-58)RatingProvisional
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May Challenge 2015(2015-05-18 15:00:00)

Global Rank:   2946

Cheated in:   

Ratings System Update

(2015-05-18 15:00:00)

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2136 (+133)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2015(2022-12-20 00:00:00)

Global Rank:   2946

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 (29)

September Challenge 2012

Racing Horses

October Challenge 2012

Little Elephant and Order, Fierce Battles, Event Organizer, The New Scheme, Need More Diamonds

October Cook-Off 2012

Buying Sweets

November Challenge 2012

Coin Flip

December Challenge 2012

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

January Challenge 2013

Little Elephant and Alcohol, The Minimum Number Of Moves, End Of The World, Chef of the Year, Three Different Numbers

February 2013 Challenge

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

February Cook-Off 2013

Lack of Logic, Row and Column Operations

March Challenge 2013

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

March Cook-off 2013

The Ball And Cups, Palindrome

April Challenge 2013

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

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

July Challenge 2013

Galactik Football, Chef and Walking on the rectangle , Count K-Primes, Circle of death

July Cook-off 2013

Chopsticks

August Challenge 2013

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

September Challenge 2013

Little Elephant and Exams, Cool Guys, Chef and Integers , Project Spoon, CAO Stage-1, CAO Stage-2, Sereja and Snake

October Cook-Off 2013

Polo the Penguin and the Numbers, Polo the Penguin and the Test

October Challenge 2013

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

November Challenge 2013

Chef Game, Superpowers of 2, Yet Another Cute Girl, Sereja and Vectors, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Lucy and the Flowers, Art in Digital Age, Cube Cakes, Chef and Codes, Funny Marbles, Magic Pairs, Reign, Rectangular Queries

January Challenge 2014

Magic Trick, Sereja and Graph, Bon Appetit, Please like me, Chef and Feedback

February Challenge 2014

Draughts, Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays, Colored Array

April Challenge 2014

Sereja and Permutation, Counting Matrices, Farmer Feb, Cards, bags and coins, Chef and Digits, Divide the Tangerine, Chef and Tree Game, Shortest Path in Binary Trees

May Challenge 2014

Little Elephant and Balloons, Compilers and Parsers, Chef-jumping, Chef and Strange Matrix, Stone

June Challenge 2014

Little Elephant and Blocks, Maxim and Progressions, Chef and Functions, Chef and Digit Jumps, DARTS501, Chef and Subarray, Two Companies, Guessing Game, Forgot Password

May Challenge 2015

Chef and new recipe

Total Problems Solved: 200