Arun Singhal

• Username: 5★thunder_blade
• Country:  India
• Student/Professional:Student
• Institution:Indian Institute of Information Technology, Allahabad Uttar Pradesh
• 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: 27

Current Ratings Graph Old Ratings Graph

2066 (+24)RatingProvisional
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ALKHWARIZM (Rated)(2018-03-17 02:00:00)

Global Rank:   44

Cheated in:   

Ratings System Update

(2018-03-17 02:00:00)

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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2066 (-41)RatingProvisional
Rating i Provisional Rating, click to know more

ALKHWARIZM (Rated)(2022-12-20 00:00:00)

Global Rank:   44

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 (27)

February Challenge 2016

Devu and a light discussion, Chef and Strange Operations, Chef-Detective

March Challenge 2016

Palindromic substrings, maximize the sum, Chef And Special Dishes

April Challenge 2016

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

June Challenge 2016

Chef And Binary Operation, Devu and an Array, Chef and Coins Game, Chef And The Hiring Event

July Challenge 2016

Andrash and Stipendium, Chef and Tetris, Chef and Robots Competition, Chefland and Electricity, Scheduling jobs on a cluster

August Challenge 2016

Chef and Round Run, Chef and Chocolate, Chef and His Garden, Chef and Circle Run

September Challenge 2016

Chef and Friends, Dividing Machine, Chef and Matrix Division, Chef and digits of a number, Faded Palindromes, Chef and calculation

November Challenge 2016

Urban Development, Task for Alexey, Chef and squares, Gift and Chef, Friends Meeting, Count Permutations

February Cook-Off 2016

Puppy and Sum

April Cook-Off 2016

Movie Weekend, Odd Divisors

September Cook-Off 2016

Lazy Jem

December Cook-Off 2016

Chef and Subset

February Lunchtime 2016

Chef and Socks

July Lunchtime 2016

Drumpf for President!, Lumpy - The Bus Driver

August Lunchtime 2016

Studying Alphabet

November Lunchtime 2016

Chef and Square Set, Chef and his Students

January Challenge 2017

Capital Movement, Cats and Dogs, Digits Cannot Separate, Reservior, Tourists in Mancunia

January Lunchtime 2017

Nothing in Common

April Challenge 2017

Chef and Divisor Tree, Similar Dishes, Bear and Clique Distances, Bear and Row 01, Dish Of Life, Stable market, Bear and Random Grid

July Challenge 2017

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

March Cook-Off 2017

Rainbow Graph, Yet Another Card Game, Safe Robot

Alkhwarizm 2017 (Rated)

Logan and his XOR debacle, Professor X and Grouping of Numbers

January Challenge 2018

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

January Cook-Off 2018

Multiple of 3, Survive in ChocoLand

International Coding League (Rated)

Matrix Game, Stingy Strings, Maze Love

ALKHWARIZM (Rated)

Help Voldemort, Hedwig The Smart Bird, Sam, The Charming Angel

Total Problems Solved: 172