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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

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Practice Compete Compiler
Home » Abdul Al Mamun
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Abdul Al Mamun

  • 3★mamun_064
  •   Bangladesh
  • Student
  • Bangabandhu Sheikh Mujibur Rahman Science and Technology University Gobra, Bangladesh
  • No Active Plan. View Details

Submissions Heat Map

Rating Graph

No. of Contests Participated: 90
1710 (-36)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 187 (Rated)(2025-05-21 22:00:02)
Global Rank:   1349
Cheated in:   

Ratings System Update

(2025-05-21 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?
1420 (+6)RatingProvisional
Rating i Provisional Rating, click to know more
Starters 68 Division 3 (Rated)(2022-12-20 00:00:00)
Global Rank:   2346
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 (90)

CodeChef Starters 32 Division 4 (Rated)

Volume Control, Finding Shoes, Course Registration

CodeChef Starters 33 Division 4 (Rated)

The Cheaper Cab, Monthly Budget, Minimum Cars required

CodeChef Starters 34 Division 4 (Rated)

Is the Score Consistent, Good Quality Bulbs, Expiring Bread

April Lunchtime 2022 Division 4(Rated)

Lunchtime, Mario and Transformation, Mario and Bullet

Starters 36 Division 4 (Rated)

Who is taller!, Presents for Cheffina, Chef and Chapters, Chef and Bird farm

Starters 38 Division 4 (Rated)

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

Starters 39 Division 4 (Rated)

Compress the Video, Recent contest problems, My very 1st contest!, A or B, Chess Ratings

Starters 41 Division 4 (Rated)

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

June Cook-Off 2022 Division 4 (Rated)

Rating Improvement, Playlist, Break the Stick, First and Last

Starters 42 Division 4 (Rated)

Age Limit, Equal Distribution, Minimum number of Flips

Starters 44 Division 4 (Rated)

Biryani classes, Air Hockey

Starters 43 Division 4 (Rated)

Burgers, DNA Storage, Distinct Palindrome, Joining Date, Waiting Time

June Lunchtime 2022 Division 4 (Rated)

It is My Serve, Too many Floors, Determine the Score

Starters 45 Division 4 (Rated)

Chef and his Apps, Best of Two, Change Row and Column Both

Starters 46 Division 4 (Rated)

Counting Words, MATH1 Enrolment

Starters 48 Division 4 (Rated)

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

Starters 54 Division 4 (Rated)

Equal Distinct, Number of Credits, Ticket Fine

Starters 55 Division 4 (Rated)

Balls and Boxes, Permutation Clear, Fever, Broken Phone

September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)

Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation

Starters 57 Division 4 (Rated)

Alice and Marks, Integers that sum to the same value, Even Splits, Non-Negative Product

Starters 58 Division 4 (Rated)

Break the elements, Equivalent Numbers, Ranklist Pages, Reach the Target, Remove Bad elements

Starters 59 Division 4 (Rated)

Chef and Happy String , Suspense String, Confusing Concatenations, Audible Range, Speciality

Starters 61 Division 3 (Rated)

Different Consecutive Characters , Subarray Removal, Odd Sum Pair

Starters 63 Division 3 (Rated)

Make Length 1, Minimum Absolute Score, Avoid Squares Please

Starters 64 Division 3 (Rated)

Mario and the Broken String, Luigi and Uniformity, Distinct Colors

Starters 66 Division 3 (Rated)

Binary Battles, Monopoly in Chefland

Starters 67 Division 3 (Rated)

Expensive Steps , Minimum Number of Ones, Counting Problem

Starters 68 Division 3 (Rated)

Expense List, Make AP, Make Money

Starters 70 Division 3 (Rated)

Cost of Groceries, Prime Reversal

Starters 75 Division 4 (Rated)

Two Ranges, Saving Taxes, Profit Increment

February Cook-Off 2023 Division 4 (Rated)

Battery Health, Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix

Starters 77 Division 3 (Rated)

Tekken

Starters 78 Division 3 (Rated)

Valid Expression, Passing Marks

Starters 79 Division 3 (Rated)

One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal

Starters 80 Division 3 (Rated)

Permutation Subsequence, Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements

Starters 84 Division 3 (Rated)

Max count of 1, Digit Operation, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold

Starters 89 Division 3 (Rated)

Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD

Starters 90 Division 3 (Rated)

Crushed Apples and a Balance Scale, AP Free Sequences, Printing Binary Array, Anti Palindrome

Starters 91 Division 3 (Rated)

Odd GCD Permutation, Blobby Volley Scores

Starters 92 Division 3 (Rated)

Dotify Playlist, Water Filling

Starters 93 Division 3 (Rated)

7 Rings, Problem

Starters 95 Division 3 (Rated)

Alt-Tab, Transfusion Chain, EVacuate to Moon

Starters 96 Division 3 (Rated)

Swap the numbers, Remove Multiples, Bells of Pilgrimage, Weeding

Starters 98 Division 3 (Rated)

FIND A and B, Airport Management, Ball Distribution

Starters 99 Division 3 (Rated)

Card Swipe, Endless Appetizers, Exclusion-Inclusion

Starters 100 Division 3 (Rated)

Stamps 100, Trade Surplus, Chocolate Distribution

Starters 101 Division 2 (Rated)

Warrior Chef, Lockpicking Chef

Starters 102 Division 3 (Rated)

Array Sum, Selling Insurance, Chef and Stocks

Starters 103 Division 2 (Rated)

Divisible By 8, Dice Number

Starters 104 Division 2 (Rated)

Maximise Sum, GCD and LCM

Starters 109 Division 2 (Rated)

Minimum XOR, Best of N Sets, Alter Ego, Chroma Swap

Starters 111 Division 2 (Rated)

Prefixing, Reach Codetown

Starters 112 Division 2 (Rated)

Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition

Starters 113 Division 2 (Rated)

Maximum Score , Sum Neq

Starters 114 Division 2 (Rated)

Rock-Paper-Scissors, Christmas Candy

Starters 115 Division 3 (Rated)

Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution

Starters 116 Division 3 (Rated)

Chef Product, Hattrick, ORST , Access Control

Starters 118 Division 2 (Rated)

Subset GCD, Join States, Xorry 2, Xorry 1

Starters 119 Division 2 (Rated)

Cookie Day, Another Good String , K Odd Sum

Starters 120 Division 2 (Rated)

Sub or Swp

Starters 122 Division 2 (Rated)

Arya In Grid, Transformation Cost, Man of the Match

Starters 134 Division 2 (Rated)

Origin, Rock Paper Scissors

Starters 149 (Rated)

Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)

Starters 150 (Rated)

Equal Pairs (Hard), Replacing Game, Find Multiset State, Equal Pairs (Easy)

Starters 151 (rated)

Ball Game, Convert string, Shooting (Easy)

Starters 152 (Rated)

Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize

Starters 155 (Rated)

GCD to 1 (Easy), GCD to 1 (Hard), Replace With First

Starters 156 (Rated)

Balance Difficulties, Partition Score, Even Numbers Hate

Starters 157 (Rated)

Small, Smaller, Smallest, Unmedian, Not-too-far Replacement

Starters 158 (Rated)

Largest Subsequence, XOR Smaller

Starters 161 (Rated)

Temporary Temperature, Red-Blue Sort, One To Three, Two Cards

Starters 162 (Rated)

Empty the String, Adjacent Sum Array, Permutation Mod K

Starters 165 (Rated)

Reverse and Alternate, Stable Array, Bulk Discount

Starters 168 (Rated)

No Two Alike, Binary Removals, Make Odd

Starters 170 (Rated)

Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Monster Monster

Starters 171 (Rated)

Swish Game, White Wall, Volcanic Eruption

Starters 172 (Rated)

Transform String, AndOr, Streak Star

Starters 173 (Rated upto < 2700)

Cool Subsequences, Time Penalty, Overwrite

Starters 174 (Rated)

Mystic Slimes, Deletion and Difference

Starters 175 (Rated)

Alternate It!

Starters 176 (Rated)

Same And, Clothing Store, Costly Summit

Starters 177 (Rated)

Flip or Reverse, Ordered Distances, 2 Boxes

Starters 178 (Rated)

Big Difference, Placing 01 And 10

Starters 179 (Rated)

Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach

Starters 182 (Rated)

Bar Queue, Beautiful Garden, Palindromic Score

Starters 183 (Rated)

S to T, Larger Smaller, Max Triangle

Starters 184 (Rated)

One Down, Front or Back

Starters 185 (Rated)

GCD Summation, Creature Hunter

Starters 187 (Rated)

Incremental Game

Total Problems Solved: 338

1710
(Div 2)
★★★
CodeChef Rating (Highest Rating 1845)
  • 7973 Global Rank
  • 216 Country Rank
0?i Provisional Rating, click to know more
DSA Rating (Highest Rating 0)
  • 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

Recent Activity

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