Sunny Singh Yadav

• Username: 3★mypc107
• Country:  India
• Student/Professional:Other
• CodeChef Pro Plan: No Active Plan. View Details

Submissions Heat Map

Last 6 Months 2026 (Jan-Jun)2025 (Jul-Dec)2025 (Jan-Jun)

Rating Graph

No. of Contests Participated: 47

Current Ratings Graph Old Ratings Graph

1650 (-21)RatingProvisional
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UWCOI 2021 (Rated for all)(2020-12-20 00:00:00)

Global Rank:   1492

Cheated in:   

Ratings System Update

(2020-12-20 00:00:00)

This is the difference due to changing the rating system.This graph is not updated after 20th Dec 2022. Know more

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1650 (-32)RatingProvisional
Rating i Provisional Rating, click to know more

UWCOI 2021 (Rated for all)(2022-12-20 00:00:00)

Global Rank:   1492

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 (47)

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Chef and Cube

August Challenge 2015

Gravity Guy, Cooking Machine

September Challenge 2015

Count Steps in Matrix

October Challenge 2015

Time measure, Count Subarrays, Who dares to be a millionaire

June Lunchtime 2015

Chef and Two Strings

February Challenge 2016

Chef-Detective

March Challenge 2016

maximize the sum, Palindromic substrings

July Challenge 2016

Andrash and Stipendium

August Challenge 2016

Chef and Chocolate

September Challenge 2016

Chef and digits of a number, Faded Palindromes, Chef and calculation

October Challenge 2016

Sereja and Progressions, Chef and Keyboard, Fenwick Iterations, Chef and Three Dogs

November Challenge 2016

Chef and squares, Task for Alexey, Count Permutations

June Cook-Off 2016

Sticks

September Cook-Off 2016

Lazy Jem

February Lunchtime 2016

Chef and Socks

August Lunchtime 2016

Studying Alphabet

September Lunchtime 2016

Chef and Inequality

October Lunchtime 2016

The Largest Bouquet

January Challenge 2017

Cats and Dogs

February Challenge 2017

Chef and His Apartment Dues

July Challenge 2017

IPC Trainers

October Challenge 2017

Chef and a great voluntary Program, A Balanced Contest, Max Mex

June Challenge 2018 Division 2

Vision, Sheokand and String, Binary Shuffle, Naive Chef

LoC April 2018 (Rated for Division 2)

Cricket Score

April Challenge 2019 Division 2

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

April Cook-Off 2019 Division 2

Chef Learning Hungarian Algorithm, Making a Meal

April Lunchtime 2019 Division 2

Attendance, Fast Food

May Challenge 2019 Division 2

Reduce to One

June Challenge 2019 Division 2

Road Signs, Chef and Proxy

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Parity Again, Chef and Mean

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples, Zombie and the Caves

September Challenge 2019 Division 2

Easy Fibonacci, Chef and Interesting Subsequences

October Challenge 2019 Division 2

Phone Prices, Array Modification, Chef and Maximum Star Value, Operations on a Matrix

April Challenge 2020 Division 2

Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

Biteration #2 (Rated for Division 2)

A - Books

November Challenge 2020 Division 2

Ada and Dishes, Restore Sequence

December Challenge 2020 Division 2

Hail XOR, String Operations, Positive Prefixes, Even Pair Sum, Vaccine Production, Vaccine Distribution

October Lunchtime 2020 Division 2

AND Plus OR, Chef and Subtree MEXs

UWCOI 2021 (Rated for all)

Hidden Numbers

Total Problems Solved: 98