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

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 » Abdullah Johar
user profile

Abdullah Johar

  • 3★abdullahjohar
  •   Bangladesh
  • Student
  • International Islamic University Chittagong Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 54
1664 (+54)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 62 Division 3 (Rated)(2022-10-26 23:00:04)
Global Rank:   46
Cheated in:   

Ratings System Update

(2022-10-26 23:00:04)
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?
1664 (+16)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 62 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   46
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 (54)

SnackDown 2021 - Online Qualifiers

Lucky Number

CodeChef Starters 12 Division 3 (Rated)

Good Weather

October Cook-Off 2021 Division 3

Chef and Pairing Slippers, Average Flex

October Lunchtime 2021 Division 3

Problem Category

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu

November Challenge 2021 Division 3 (Rated)

Weird Palindrome Making, Equal Coins, Which Fuel is Cheaper

CodeChef Starters 20 Division 3 (Rated)

Stable Sequence, Genes, Chef and Pal

C.O.D.E.R.S Division 3 (Rated)

The One with Russ, The One Where It All Began

November Lunchtime 2021 Division 3

Chef and Stock Prices

December Challenge 2021 Division 3 (Rated)

Utkarsh and Placement tests

SnackDown 2021 - Elimination Parallel (Rated for Div 3)

Car Range

December Cook-Off 2021 Division 3

Median Minimization, Two Rooks, Friends Meetup

December Lunchtime 2021 Division 3

Chef and Vacation Transportation , Chef Loves 1010, Maximum Trio

CodeChef Starters 21 Division 3 (Rated)

Devendra and Water Sports, Akash and Grid, Covid and Theatre Tickets

Infinity 2k21 Division 3 (Rated)

The Squid Game, Red Light, Green Light

Code Drive Division 3 (Rated)

Game between friends, Count Number of Peaks, Favourite String of Chef

January Long 2022 - I, Division 3 (Rated)

Keplers Law, Prime in a binary string, Covid Spread

January Long 2022 - II, Division 3 (Rated)

TCS Examination, Chef and Fixed Deposits

January Cook-Off 2022 Division 3

Mask Policy, Hungry Ashish

CodeChef Starters 23 Division 3 (Rated)

Average of Three, Chef and Profits

January Lunchtime 2022 Division 3

Chef and Lockout Draws

February Long 2022 - I, Division 3 (Rated)

N Queens Puzzle Solved !, Chef and the Hair Salon

February Long 2022 - II, Division 3 (Rated)

Avoid Fixed Points, World Chess Championship, Chef and NextGen

CodeChef Starters 26 Division 4 (Rated)

Car or Bike, Valentine is Coming, Count the Notebooks, Hostel Room

CodeChef Starters 27 Division 4 (Rated)

Distinct Binary Strings, Get Lowest Free, Too many items, Shopping Change, Blackjack, The product mystery

February Cook-Off 2022 Division 4

Complete the credits, Guess the bottom face, Lazy Salesman, Peaceful Party, Prefix Permutation

February Lunchtime 2022 Division 4

Good Program, Battery Low, Watching Movies at 2x, Chessboard Distance

CodeChef Starters 28 Division 4 (Rated)

Chef and Instant Noodles, Self Defence Training, Car Choice, Qualify the round, Count the Holidays

March Long One 2022, Division 4 (Rated)

Akash and Function, Subarray XOR, Substring of a Substring, Akash and Missing Class, Exact Marks, Discus Throw, Bath in Winters, Wordle

CodeChef Starters 29 Division 4 (Rated)

String protocol, Fill the Bucket, Tyre problem, Bomb the base

March Long Two 2022, Division 4 (Rated)

Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma

CodeChef Starters 30 Division 4 (Rated)

Gift Shop and Coupon, Chef and Water Bottles, Swapping Chefs Way, Chef and Chocolates, Balanced Reversals

March Cook-Off 2022 Division 4

Janmansh and Games, Janmansh and Coins, Janmansh and Assignments, Janmansh at Fruit Market, Equal Mex Splitting

CodeChef Starters 31 Division 4 (Rated)

Alternating String, Sign Moves, Cup Finals, The Unchanging OR, Group Assignment, Economics Class

March Lunchtime 2022 Division 4

Credit score, Minimum number of coins, Buy 2 Get 1 Free, CRED Coins

CodeChef Starters 32 Division 4 (Rated)

Maximize the Minimum, Binary String Cost, Volume Control, Finding Shoes, Course Registration

April Long One 2022, Division 4 (Rated)

Dazzling GCD Pair, Prime Sum, Dazzling AXNODR Challenge , Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2

April Long Two 2022 Division 4 (Rated)

Geometric Mean Inequality, Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array

May Cook-Off 2022 Division 4 (Rated)

Chef and Gym, Chef and Masks

Starters 38 Division 4 (Rated)

Chef gives Party, Get Subscription, Dominant Army, Circular Track

May Lunchtime 2022 Division 4 (Rated)

Bucket and Water Flow , Apples and Oranges, How many unattempted problems, Problems in your to-do list

Starters 40 Division 4 (Unrated)

Difficulty Rating Order, Infinity Staircase, Doubt Support Availability, Whatsapp Messages, Take discount or Not

Starters 41 Division 4 (Rated)

Equal Integers, Chef and Brain Speed, Chef and Chocolates, Determine the Winner

July Long One 2022 Division 4 (Rated)

Bidding, Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies

Starters 46 Division 4 (Rated)

Counting Words, MATH1 Enrolment

July Lunchtime 2022 Division 4 (Rated)

Interior Design, The Last Levels, Easy Pronunciation, True and False Paper

Starters 48 Division 4 (Rated)

Buy Lamps, Fill The Grid, Passes for Fair, Fill Candies

July Long Two 2022 Division 4 (Rated)

Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Sum of Product 2, Insurance, Hungry Chef

Starters 51 Division 3 (Rated)

TV Discount, Dominant Element

Starters 52 Division 3 (Rated)

Minimum Sum, WA Test Cases, Air Conditioner Temperature, K-Flip, Gritty Grid, Flipping Failure, Nil Xor

Starters 59 Division 3 (Rated)

Chef and Happy String , Maximum Subarray , Suspense String, Confusing Concatenations

October Long 2022 Division 3 (Rated)

Building Race, Single Operation Part 1, Single Operation Part 2

Starters 60 Division 3 (Rated)

Yet Another Palindrome Problem, Paper Cutting, Palindrome Flipping, Card Removal

Starters 61 Division 3 (Rated)

Minimise LCS, Different Consecutive Characters , Red Blue Flowers, Subarray Removal, Odd Sum Pair

Starters 62 Division 3 (Rated)

Sorted Substrings, Make Multiple, Final Sum, Pythagorean Pair, X Jumps, Test Score

Total Problems Solved: 275

1664
(Div 2)
★★★
CodeChef Rating (Highest Rating 1664)
  • Inactive Global Rank
  • Inactive Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Silver Badge

Problem Solver - Silver Badge

Received for solving 250 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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

© 2026 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.