Harikrishna Paniyala

• Username: 2★aeiou09
• Country:  India
• Student/Professional:Professional
• Organisation:99Games
• 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: 62

Current Ratings Graph Old Ratings Graph

1521 (-47)RatingProvisional
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May Challenge 2019 Division 2(2019-05-13 15:03:00)

Global Rank:   6199

Cheated in:   

Ratings System Update

(2019-05-13 15:03:00)

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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1521 (+186)RatingProvisional
Rating i Provisional Rating, click to know more

May Challenge 2019 Division 2(2022-12-20 00:00:00)

Global Rank:   6199

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 (62)

February Cook - Off Challenge

Breaking Into Atoms

May Cook-off 2011

Popular Rice Recipe

June Long Contest 2011

Chef Teams

July Cook-off 2011

Misinterpretation, Garden Squares

August Long Contest 2011

Infinite Grid Game

May Challenge 2012

Jewels and Stones

June Challenge 2012

Little Elephant and Candies, Doom Bakes Cakes, Arranging Cup-cakes

June Cook-Off 2012

Closing the Tweets

July Challenge 2012

Chef's Dream, Gift Rift, Restaurant Rating

August Challenge 2012

Range of Data

October Challenge 2012

Event Organizer, The New Scheme

March Challenge 2013

Tourist Translations

March Cook-off 2013

The Ball And Cups

April Challenge 2013

Maximum Weight Difference

June Challenge 2013

Lapindromes

November Challenge 2013

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

December Challenge 2013

Magic Pairs

January Challenge 2014

Please like me, Chef and Feedback

October Cook-Off 2014

The Army, Walk on the Axis

November Cook-Off 2014

Brackets

February Challenge 2014

Longest Common Pattern

June Challenge 2014

Chef and Digit Jumps, Chef and Subarray, Guessing Game, Forgot Password

July Challenge 2014

Chef and Frogs, Count Substrings, Reach The Point

August Challenge 2014

Chef and Gift

September Challenge 2014

Chef and Left-Right, Fun with Rotation

October Challenge 2014

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

November Challenge 2014

Chef and Segment Game, Distinct Characters Subsequence, Chef and Red Black Tree, Let us construct palindrome

December Challenge 2014

Alok-nath and His Sanskars, XOR with Subset, Chef and Apple Trees

October Lunchtime 2014

Tanu and Head-bob

April Challenge 2015

Chef and Interview, Broken Telephone, Chef and Piano Scales

May Challenge 2015

Devu and binary String, Chef and Prime Divisors, Set Difference , Chef and new recipe

June Challenge 2015

Chef and Memory Limit

July Challenge 2015

Bread, Na2a and lucky stone, Chef and Cube

October Challenge 2015

Count Subarrays

December Challenge 2015

Chef and the stones, Plane Division

April Cook-Off 2015

Equality, Version Control System

May Cook-Off 2015

Devu and friendship testing, Devu and decorating birthday cake

June Cook-Off 2015

Strange operations

July Cook-Off 2015

Cops and the Thief Devu, Maximize Disjoint Pair Sum

November Cook-Off 2015

Sereja and Line, Sereja and Array and Subtracting

February Challenge 2016

Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum

April Challenge 2016

Help Watson Escape, Chef and Ballons, Chef And Magical Path, Chef And Coloring

September Challenge 2016

Chef and digits of a number, Faded Palindromes

October Challenge 2016

Chef and Keyboard

April Challenge 2018 Division 2

Weight of Numbers, Count Good Prefixes, Average of Pairs, Workers

May Challenge 2018 Division 2

Mighty Friend, Minimum Deletions, Xor Again, Fake Binary Search, Dibs on Fibs

June Challenge 2018 Division 2

Binary Shuffle, Naive Chef

July Challenge 2018 Division 2

Magic Set, Strike or Spare

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob

September Challenge 2018 Division 2

Magician versus Chef, Chef and Adventures

October Challenge 2018 Division 2

Chef and Serves

February Challenge 2019 Division 2

Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

March Challenge 2019 Division 2

Chef got Recipes, Chef and Number Game, Chef and a Beautiful Digit

Total Problems Solved: 278