Prakhar Sinha

• Username: 4★prakhar2808
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Technology BHU Varanasi, Uttar Pradesh, India
• 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: 17

Current Ratings Graph Old Ratings Graph

1818 (-7)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2019 Division 1(2019-02-13 15:00:00)

Global Rank:   603

Cheated in:   

Ratings System Update

(2019-02-13 15:00:00)

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?

1818 (-59)RatingProvisional
Rating i Provisional Rating, click to know more

February Challenge 2019 Division 1(2022-12-20 00:00:00)

Global Rank:   603

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)

None

Practice Paths (0)

None

Contests (17)

July Challenge 2017

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

August Long Challenge 2017

Chef and Rainbow Array, Chef and Mover, Palindromic Game, Greedy Candidates

September Challenge 2017

Chef and Pick Digit, Minimum Good Permutation, Little Chef and Sums

October Challenge 2017

Max Mex, A Balanced Contest

November Challenge 2017

Chef goes Left Right Left, Villages and Tribes, Periodic Palindrome Construction, Chef Hates Palindromes

December Challenge 2017

Total Diamonds, Chef And his Cake, Penalty Shoot-out

January Challenge 2018

K-Concatenation, Maximum Score, Rectangle, String Merging, Partition the numbers

International Coding League (Rated)

Maze Love, Matrix Game, Stingy Strings

March Challenge 2018 DIV 1

Chef and Easy Problem, Mix the Colors, Minions and Voting

October Mega Cook-Off 2018 Division 2

Binary Nim 2, Pumping Water

April Challenge 2018 Division 1

Count Good Prefixes

August Challenge 2018 Division 2

Sheokand and Number, Spell Bob, Problem Sort

November Challenge 2018 Division 1

Appy Loves One, Good Median, Magician versus Chef 2

October Challenge 2018 Division 2

Appy and Balloons , Chef and Circles, Byte to Bit, Chef and Serves, Chef and Surprise Chessboard, Minimize Digitsum, Beautiful Bricks

January Challenge 2019 Division 1

Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs, A Pizza Slice

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, Art of Balance

Total Problems Solved: 64