CodeChef Logo CodeChef Logo
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Upgrade to Pro
Courses

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Programming and DSA

Explore courses

Catalogue

Programming and DSA

Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.

Career Paths

From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.

Other Courses

Explore courses
Practice Compete Compiler
Home » Arun Das
user profile

Arun Das

  • 5★aert
  •   India
  • Student
  • Indian Institute of Information Technology, Nagpur Maharashtra, India
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 74
2071 (+0)RatingProvisional
Rating i Provisional Rating, click to know more
July Lunchtime 2021 Division 1(2021-07-31 21:00:00)
Global Rank:   83
Cheated in:   

Ratings System Update

(2021-07-31 21:00:00)
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?
2071 (-82)RatingProvisional
Rating i Provisional Rating, click to know more
July Lunchtime 2021 Division 1(2022-12-20 00:00:00)
Global Rank:   83
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)

Practice Paths (1)

learn-icon

Practice for ZCO and INOI

24%

Contests (74)

September Mega Cook-Off 2018 Division 2

ATM Machine

October Mega Cook-Off 2018 Division 2

Binary Nim 2, Ada and the Staircase

December Cook-Off 2018 Division 2

Camp Or Not

December Challenge 2018 Division 2

Max and Electrical Panel, Chef and Meatballs, Chef and Interactive Contests, Chef and An Ideal Problem

November Challenge 2018 Division 2

Chef and Ridges, Appy Loves One, Chef, Primes and Trees (Challenge), Chef and Difficult Contests, Chef and Happiness

October Challenge 2018 Division 2

Chef and Serves, Byte to Bit

September Lunchtime 2018 Division 2

Judging Delay, Opposite Cites

October Lunchtime 2018 Division 2

Three Friends

Encoder (Rated for Division 2)

Paint the Wall

December Lunchtime 2018 Division 2

Print Pattern, Choosing from Buckets

January Challenge 2019 Division 2

Yet Another Problem About Sequences, Different Neighbours, Lucky Number Game, Distinct Pairs, Chef and Modulo Game, Fancy Quotes, (Challenge) Chef and Matching Game, A Pizza Slice

January Lunchtime 2019 Division 1

Distances, Rooks, The Nights Watch

February Challenge 2019 Division 1

Manhattan Rectangle, Guess It Right, Chef and Secret Ingredients, (Challenge) Chef with Orchestra in the Kitchen, Art of Balance

February Cook-Off 2019 Division 1

Chef and Secret Password, Chef and Party

February Lunchtime 2019 Division 1

The Tricky Deal

March Challenge 2019 Division 2

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

March Lunchtime 2019 Division 2

Testing Robot, Pogo Stick Competition

April Challenge 2019 Division 2

Friend or Girlfriend, Maximum Remaining, Fencing

May Lunchtime 2019 Division 1 (Unrated)

Grid Tour

June Challenge 2019 Division 1

Lent Money, Chef and Ingredients, Sum and GCD, (Challenge) SnackDown 99

July Challenge 2019 Division 1

Guess the Prime!, Parity Again, Codechef War, Circular Merging

August Challenge 2019 Division 1

Guddu and his Mother, Encoding, Dilemma, Maximize an Expression, Football

September Challenge 2019 Division 1

Biladerim Icin, Fuzzy Linear Combinations, Chef Designed a Network

September Lunchtime 2019 Division 1

All Substrings, Find the Sum

October Challenge 2019 Division 1

Even Edges, Chef and Maximum Star Value, Array Modification, (Challenge) Maximizing LIS

October Mega Cook-Off 2019 Division 1

D-Or

October Lunchtime 2019 Division 1 (Unrated)

Box Game

November Challenge 2019 Division 1

Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure, (Challenge) Coloring Triangulations

December Challenge 2019 Division 1

Binary XOR

International Coding League 2019 (Rated for Division 2)

FlatLand, A Weird Device

Alkhwarizm (Rated for all)

Weirwood Trees, Danny Wants To Know

Code Melange (Rated for all)

Greg and Grid, A Small Array, Go Round, Max power

Dementia 2019 (Rated for Division 2)

Maximum Scoring Position

January Challenge 2020 Division 1

Chef and Dynamo, Doraemon, Doofish Matrix, Chefina and Prefix Suffix Sums, English, Chefland Army, (Challenge) Building Anthills

February Challenge 2020 Division 1

Expected Change, No Change Required, School of Geometry, Hard Cash, (Challenge) Raisins, Long Contest and Cook Off Overlaps

March Challenge 2020 Division 1

Chef and DAG, Winning Ways 2, Lasers Everywhere, Lasers Everywhere Alternative

April Challenge 2020 Division 1

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD

January Cook-Off 2020 Division 1

Range AND

March Cook-Off 2020 Division 1

Mysterious Sequence

April Cook-Off 2020 Division 1

Simple Operations

May Cook-Off 2020 Division 1

Chef, Chefina and Their Friendship, Roads in Chefland

March Lunchtime 2020 Division 1 (Unrated)

Strip in a Tree!

May Lunchtime 2020 Division 1

Convert the String, Tree difference

Biteration #2 (Rated for Division 2)

A - Books, D - Break the Rules, C - Chef and Maths

Exun Programming Prelims 2019 (Rated for all)

Weird Modulo Problem , Tennis Tournament, Chipped Tree

ENIGMA - PLINTH'20 LNMIIT (Rated for all)

Minion AND Range, Recruit Villagers

International Coding Marathon (Rated for all)

Lavanya Loves DFA, Mr Pr in a Dilemma

UWCOI 2020 (Rated for all)

Button Pairs, Base Plans, Find maximum in an Array

September Challenge 2020 Division 1

Chefina and Swap, Chef and Trump Cards, Find XOR, Divide Candies, Ada Matrix

July Lunchtime 2020 Division 1

Golomb Sequence, Binary Concatenation

August Cook-Off 2020 Division 1

Polygon Relationship

August Lunchtime 2020 Division 1

Game on a Strip, Counting Graphs, Alien Invasion

June Cook-Off 2020 Division 1

Per Capita Income, Checkpoints

June Lunchtime 2020 Division 1

Maximum AND

October Challenge 2020 Division 1

Positive AND, Replace for X, D-Dimensional MST

November Challenge 2020 Division 1

Restore Sequence

January Challenge 2021 Division 2

Cool Subsets, Chef and Ants, Guess the Tiling, Expected Number of SCCs, Stack-Queue Sort (Challenge), Watching CPL, Fair Elections, And-Or Game

December Challenge 2020 Division 1

Hail XOR, Calculus, String Operations, Positive Prefixes, Even Pair Sum

December Cook-Off 2020 Division 1

Self-Destructing Strings

October Cook-Off 2020 Division 1

Path-etic Sums, Yet Another Crossover Episode

October Lunchtime 2020 Division 1

Chef Likes Good Sequences, Chef Is Just Throwing Random Words, Cute Chef Gift

November Lunchtime 2020 Division 1

Gasoline

Coders' Legacy (Rated for all)

Chef vs Doof, Doof on Cartesian, Doof fires Brackets

September Cook-Off 2020 Division 1

Maximise Subsequence Value, Minimum Insertions

September Lunchtime 2020 Division 1

Root the Tree, Robot Detector

March Cook-Off 2021 Division 1

Consecutive Deletions

April Challenge 2021 Division 1

Binary String MEX, Tree Permutations, Worthy Matrix, Destroy the EMP Chip, Chef and Dice, Boolean Game

April Cook-Off 2021 Division 1

Tree Distances, OR of ANDs

May Cook-Off 2021 Division 1

Double Burgers

May Challenge 2021 Division 1 (Unrated)

Valid Paths, Tree House, An Interesting Sequence, Xor Equality, Tic Tac Toe, Modular Equation

June Challenge 2021 Division 1 (Unrated)

Minimum Dual Area, Shortest Route, Bitwise Tuples, Bella ciao, Dual Distance, Summer Heat, MathBuzz, Optimal Xor Set, Minimum Subtree Cover

June Cook-Off 2021 Division 1

Binary String on Steroids

July Cook-Off 2021 Division 1

Beautiful Subsequence, Mod Equality, Hidden Colored Graph

July Lunchtime 2021 Division 1

Longest Good Segment

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

October Challenge 2021 Division 1 (Unrated)

Digit Removal

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

February Long 2022 - I, Division 1 (Unrated)

Digit Multiplication By K

May Long Two 2022 Division 1 (Unrated)

Subsequence-Numbers Divisible by 7, Subarrays with length

Starters 41 Division 1 (Unrated)

Remove and Add

June Long One 2022 Division 1 (Unrated)

Full Path Eraser, Expected move, Reduce to zero, Add By Permutation, Divisible by i , Possible GCD

Starters 51 Division 1 (Unrated)

Chef & Cook Game, Adjacent Xors, Split N, Copy and Paste, Different Medians

Starters 52 Division 1 (Unrated)

Minimum Sum

January Long 2023 Division 1 (Unrated)

A Short Counting Problem, Maximum of GCDs

Total Problems Solved: 625

Contributions

Problems Authored (3)
Contest Problem
OTHERS AERTS
FFC219G
CENS2020 CENS20F
Problems Tested (0)

No Contribution

Editorials Contributed (0)

No Contribution

2071
(Div 1)
★★★★★
CodeChef Rating (Highest Rating 2071)
  • Inactive Global Rank
  • Inactive Country Rank

Skill tests

97%

Python Skill test

Attempted on May 2024
View skill tests

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Gold Badge

Problem Solver - Gold Badge

Received for solving 500 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

Certificates

SNCK19

Issued March 2019

View

Recent Activity

Fetching recent activity

Workden, MNR PRIDE, 14, HAL Old Airport Rd, Domlur I Stage, 1st Stage, DOMLUR, Bengaluru, Karnataka 560071 [email protected] +91 95911 47880
Find us online

ROADMAPS

Learn Python
Learn Java
Learn C
Learn C++
Data structures and Algorithms
Competitive Programming
More Roadmaps

CAREER PATHS

React JS Developer
Full stack Developer
SQL for Data Analysis
Frontend Developer
Java Backend Developer
Data Analysis using Python
Python Backend Developer
C++ Developer
Machine Learning using Python

COMPILERS

HTML online compiler
C++ online compiler
C online compiler
Java online compiler
Python online compiler
SQL online compiler
JavaScript online compiler
React online compiler
More compilers

COMPANY

About us
For colleges
Coding Contests
Blogs
Contact us
Privacy Policy
Frequently Asked Questions

© 2025 CodeChef Inc. All rights reserved.

We use cookies to improve your experience and for analytical purposes. Read our Privacy Policy and Terms to know more. You consent to our cookies if you continue to use our website.