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Practice Compete Compiler

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Programming and DSA

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

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Programming and DSA

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Programming and DSA

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

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Practice Compete Compiler
Home » Mostafijur Rahaman
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Mostafijur Rahaman

  • 3★riju321
  •   India
  • Other
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 67
1709 (+15)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 199 (Rated)(2025-08-13 22:00:02)
Global Rank:   703
Cheated in:   

Ratings System Update

(2025-08-13 22:00:02)
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?
1694 (+15)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 68 Division 2 (Rated)(2022-12-20 00:00:00)
Global Rank:   1284
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 (67)

September Mega Cook-Off 2018 Division 2

ATM Machine, Make a Permutation

October Mega Cook-Off 2018 Division 2

Ada and the Staircase

November Cook-Off 2018 Division 2

Truth and Dare

December Cook-Off 2018 Division 2

Camp Or Not

September Challenge 2018 Division 2

Magician versus Chef

June Lunchtime 2018 Division 2

Counting Pretty Numbers

July Lunchtime 2018 Division 2

Split Stones

August Lunchtime 2018 Division 2

Chef and Problem Setting, Chef and Eid

September Lunchtime 2018 Division 2

Judging Delay, Chef Restaurant

October Lunchtime 2018 Division 2

Three Friends

January Challenge 2019 Division 2

Lucky Number Game, Distinct Pairs, Fancy Quotes

January Cook-Off 2019 Division 2

Ada School

Plinth-Enigma'19 LNMIIT Techfest - (Rated for all)

XOR! Wait for it

January Lunchtime 2019 Division 2

Rooks, The Nights Watch

February Challenge 2019 Division 2

Guess It Right, Chef and Magical Jars, Chef and Secret Ingredients, Appy and Contest, Deputy Chef

February Cook-Off 2019 Division 2

Buying New Tablet, Chef and Party

February Lunchtime 2019 Division 2

Average Number, 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

April Lunchtime 2019 Division 2

Attendance

June Challenge 2019 Division 2

Road Signs, Chef and Proxy, Guddu on a Date

June Cook-Off 2019 Division 2

Multiple Choice Exam

June Lunchtime 2019 Division 2

Ping Paja Pong, Magda and Silly Pairs

July Challenge 2019 Division 2

Parity Again, Minimum and Maximum, Chef and Mean

July Cook-Off 2019 Division 2

Birthday Gift Again, Playing with Strings

July Lunchtime 2019 Division 2

Easy Math, Swapping

August Challenge 2019 Division 2

Guddu and his Mother, Dilemma, Football, Distribute Apples, Zombie and the Caves

August Lunchtime 2019 Division 2

Eidi Gift

September Challenge 2019 Division 2

Chef and Good Subsequences, Easy Fibonacci, Chef and Interesting Subsequences

September Mega Cook-Off 2019 Division 2

Playing with Matches

October Challenge 2019 Division 2

Even Edges, Missing Number, Chef and Maximum Star Value, Array Modification, Operations on a Matrix, Phone Prices

October Mega Cook-Off 2019 Division 2

Cakewalk, Medel

October Lunchtime 2019 Division 2

Khaled in HIT, Box Game, Counting Inversions Revisited

November Challenge 2019 Division 2

Physical Exercise, Hard Sequence, Weapon Value

November Cook-Off 2019 Division 2

Chef Diet

November Lunchtime 2019 Division 2

Planting Trees

December Challenge 2019 Division 2

Plus Multiply, Binary XOR, Easy Subsequence Selection, That Is My Score!

December Cook-Off 2019 Division 2

Change It

January Challenge 2020 Division 2

Chef and Dynamo, Doraemon, Breaking Bricks

February Challenge 2020 Division 2

No Change Required, The Theatre Problem, School of Geometry, Hard Cash

March Challenge 2020 Division 2

XOR Engine, Ada Bishop 2, Pintu and Fruits

April Challenge 2020 Division 2

Strange Number, Squared Subsequences, Ready Bitwise, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue

May Challenge 2020 Division 2

Triple Sort, Coronavirus Spread, Isolation Centers

January Cook-Off 2020 Division 2

Chef Chick, Exam Cheating

April Cook-Off 2020 Division 2

Matrix Decomposition, Lift Requests

January Lunchtime 2020 Division 2

Bob and His Friends, Chef and Street Food, Under the Tunnels

February Lunchtime 2020 Division 2

At the Gates

March Lunchtime 2020 Division 2 (Unrated)

Chef Swaps Digits, Good Prefix

April Lunchtime 2020 Division 2

Another Birthday Present!, Chef in Fantasy League

June Challenge 2020 Division 2

Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control

August Challenge 2020 Division 2

Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP, Chef and Wedding Arrangements

July Cook-Off 2020 Division 1

Even-tual Reduction

July Lunchtime 2020 Division 2

Chef and Steps

June Lunchtime 2020 Division 2

Maximum AND, Chef and Demonetisation, Increasing Decreasing, Gold Mining

February Challenge 2021 Division 2

Frog Sort, Team Name, Prime Game, Maximise Function

June Lunchtime 2021 Division 2

False Number

SnackDown 2021 - Online Qualifiers

Lucky Number, Maximum Number Of Distinct Elements

SnackDown 2021 - Online Round 1A

Round Robin Ranks , Dance Moves, Min Max LCM

SnackDown 2021 - Online Round 1B

Queens Placement , Largest Laddu, Help Nishant

May Long One 2022 Division 3 (Rated)

Mystical Numbers, Pushpa , Sugarcane Juice Business, The Attack of Queen

Starters 68 Division 2 (Rated)

Boring String, Expense List, Make Money

Starters 199 (Rated)

Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide

Total Problems Solved: 196

1709
(Div 2)
★★★
CodeChef Rating (Highest Rating 1870)
  • 8721 Global Rank
  • 7583 Country Rank

Badges

Contest Contender - Gold Badge

Contest Contender - Gold Badge

Received for participating in 50 Contests

Problem Solver - Bronze Badge

Problem Solver - Bronze Badge

Received for solving 50 Problems

Daily Streak - Bronze Badge

Daily Streak - Bronze Badge

Received for maintaining a streak of 5 days

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