Prakhar Tayal

• Username: 2★dronacharya
• Country:  India
• Student/Professional:Student
• Institution:Motilal Nehru National Institute of Technology Allahabad Uttar Pradesh, India
• 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: 28

Current Ratings Graph Old Ratings Graph

1577 (+30)RatingProvisional
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March Challenge 2020 Division 2(2020-03-16 15:00:02)

Global Rank:   3763

Cheated in:   

Ratings System Update

(2020-03-16 15:00:02)

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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1577 (-70)RatingProvisional
Rating i Provisional Rating, click to know more

March Challenge 2020 Division 2(2022-12-20 00:00:00)

Global Rank:   3763

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 (28)

January Cook-off 2014

Chef and the Cake I

November Cook-Off 2014

Brackets

June Challenge 2014

Guessing Game, Forgot Password, Chef and Subarray

July Challenge 2014

Chef and Frogs, Chef and Rectangle Genome, Count Substrings, Reach The Point

August Challenge 2014

The Leaking Robot, Chef and Gift

October Challenge 2014

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

November Challenge 2014

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

December Challenge 2014

Chef and Apple Trees

June Lunchtime 2014

The Smallest Pair

January Challenge 2015

Sereja and Number Division 2, Chef and Stones, Sereja and Votes, One Dimensional Kingdoms, Gcd Queries

February Challenge 2015

Chef and Chain, Chef and Equality, Let us play with rank list, Chef and Strings, Chef and Strange Formula

March Challenge 2015

Chef and Notebooks, Sign Wave

June Challenge 2015

Chef and String, Chef and Polygons, Chef and Memory Limit, Steady tables, Chef and His Friend

July Challenge 2015

Addition and Multiplication, Bread, MasterChef, Na2a and lucky stone, Chef and Cube

August Challenge 2015

Way Out, Gravity Guy, Cooking Machine, Aditi and Magic Trick

September Challenge 2015

Chain of Doughnuts

June Cook-Off 2015

Longest non regular parentheses sub-sequence, Strange operations

June Lunchtime 2015

Chef and Submatrix, Chef and Two Strings

March Challenge 2016

Chef And Special Dishes, Palindromic substrings, maximize the sum

July Challenge 2017

Chef and Sign Sequences, Tree Expectancy, Whats in the Name, Calculator , IPC Trainers

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover

April Challenge 2018 Division 2

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

August Challenge 2019 Division 2

Dilemma, Football, Distribute Apples

March Challenge 2020 Division 2

XOR Engine, Pintu and Fruits

Total Problems Solved: 145