subrat kumar prasad

• Username: 3★iitr_sonu
• Country:  India
• Student/Professional:Professional
• Organisation:Amazon Development Center, Bangalore, India
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

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

Rating Graph

No. of Contests Participated: 38

Current Ratings Graph Old Ratings Graph

1680 (-30)RatingProvisional
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March Challenge 2018 DIV 2(2018-03-12 15:00:00)

Global Rank:   5143

Cheated in:   

Ratings System Update

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

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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1680 (+151)RatingProvisional
Rating i Provisional Rating, click to know more

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

Global Rank:   5143

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 (38)

June Challenge 2012

Little Elephant and Candies, Arranging Cup-cakes

September Challenge 2012

Racing Horses

October Challenge 2012

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

October Cook-Off 2012

Buying Sweets

November Challenge 2012

Lucky Balance, Delicious Dishes, Coin Flip, Sridhar Likes Travelling

November Cook-Off 2012

Little Elephant and Permutations

December Challenge 2012

Granama Recipes, 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

March Challenge 2013

Tourist Translations, Approximately

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

April Cook-Off 2013

Andrew and the Meatballs

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, Count Special Matrices, Predictopus, To challenge or not, W String, Lapindromes

July Challenge 2013

Mountain Holidays, Galactik Football, The Probability Of Winning, Chef and Walking on the rectangle , Count K-Primes

July Cook-off 2013

Chopsticks

August Challenge 2013

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

August Cook-Off 2013

Chef and The Right Triangles

September Challenge 2013

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

October Challenge 2013

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

November Challenge 2013

Superpowers of 2, Uncle Johny, Square Digit Squares, Missing some chairs

December Challenge 2013

Funny Marbles, Magic Pairs, Reign

July Cook-Off 2014

Sum Queries

February Challenge 2014

Make Him Happy, Longest Common Pattern, Little Elephant and Subarrays

March Challenge 2014

Team Split, Walk, Little Chef and Numbers

April Challenge 2014

Farmer Feb, Shortest Path in Binary Trees

May Challenge 2014

Compilers and Parsers, Chef-jumping, Stone

June Challenge 2014

Chef and Functions, Chef and Digit Jumps, Chef and Subarray, Guessing Game

May Challenge 2015

Chef and Prime Divisors, Set Difference , Chef and new recipe

September Challenge 2015

Count Steps in Matrix

March Challenge 2018 DIV 2

A Big Sale, Mix the Colors, Chef and Glove

Total Problems Solved: 162