Md Al Amin
- alamin_2000
Bangladesh- Student
- Ranada Prasad Shaha University
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (5)
Dynamic programming
1800 to 2000 difficulty problems
Practice C++
Jump from 2* to 3*
Level up from 1* to 2*
Contests (84)
March Long Two 2022, Division 4 (Rated)
Chef and Races, Increase IQ, The Three Topics, The Rating Dilemma
CodeChef Starters 30 Division 4 (Rated)
Chef and Water Bottles, Chef and Chocolates
March Lunchtime 2022 Division 4
Credit score, Minimum number of coins, Buy 2 Get 1 Free, CRED Coins
CodeChef Starters 32 Division 4 (Rated)
Volume Control, Course Registration
April Cook-Off 2022 Division 4
Email Reminders
April Long One 2022, Division 4 (Rated)
Ezio and Guards, The Cooler Dilemma 1, The Cooler Dilemma 2
Starters 35 Division 4 (Rated)
Dark Light, Water Requirement, Police and Thief, Jenga Night
April Long Two 2022 Division 4 (Rated)
Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array
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, Maximum Pairwise Modular Sum, How many unattempted problems, Problems in your to-do list
May Long Two 2022 Division 4 (Rated)
Practice makes us perfect, Score High, Total Prize Money, Degree of Polynomial
Starters 40 Division 4 (Unrated)
Difficulty Rating Order, Infinity Staircase, Doubt Support Availability, Whatsapp Messages, Take discount or Not
July Cook-Off 2022 Division 4 (Rated)
Enough Space, Chef Drinks Tea, High Accuracy
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
June Long One 2022 Division 4 (Rated)
Chairs Requirement, Subscriptions, Alternate Additions
Starters 44 Division 4 (Rated)
Biryani classes, Air Hockey
Starters 43 Division 4 (Rated)
Burgers, DNA Storage, Waiting Time
June Lunchtime 2022 Division 4 (Rated)
Zero Ones Equal One Zeros, It is My Serve, Too many Floors, Determine the Score
June Long Two 2022 Division 4 (Rated)
Count the ACs, Make all equal using Pairs, Complementary Strand in a DNA, Fitness
Starters 45 Division 4 (Rated)
Chef and his Apps, Best of Two, Adjacent Sum Parity, Change Row and Column Both
July Long One 2022 Division 4 (Rated)
Bidding, Pass the Exam, Chef and Candies
Starters 46 Division 4 (Rated)
Sort the String, Counting Words, MATH1 Enrolment, Group Assignment
Starters 47 Division 4 (Rated)
Chef On Date, Construct N, End Sorted, Minimum Coins, Chess Time
July Long Two 2022 Division 4 (Rated)
Concat Sort, Chef in his Office, Sum of Product 1, Insurance, Hungry Chef
Starters 50 Division 4 (Rated)
Discount, Mileage matters, Nearest Court
Starters 51 Division 4 (Rated)
Split N, Final Population, TV Discount, Dominant Element
August Long 2022 Division 4 (Rated)
Sale Season, Maximum Submissions, Make A and B equal
Starters 52 Division 4 (Rated)
AI Analysing Code, WA Test Cases, Air Conditioner Temperature
August Lunchtime 2022 Division 4 (Rated)
Test Averages, Candy Distribution, Equalizing Numbers, Easy Permutation, Array Equality, Height of Rationals
Starters 53 Division 4 (Rated)
Car Trip, Greater Average, Odd Pairs, Make A and B equal, Weights
Starters 54 Division 4 (Rated)
Number of Credits, Ticket Fine, Team of Two
Starters 55 Division 4 (Rated)
Balls and Boxes, Permutation Clear, Fever, Mean and Median, Broken Phone
September Long 2022 Division 3 (Rated)
Speed Limit Test, Bob at the Bank, Good Pairs
Starters 56 Division 4 (Rated)
Nearest Exit, Chefland Games, Far Away
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, Maximum Expression, Non-Negative Product
Starters 58 Division 3 (Rated)
Break the elements, Equivalent Numbers, Remove Bad elements
Starters 59 Division 3 (Rated)
Chef and Happy String , 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)
Expert Setter, Yet Another Palindrome Problem, Tax in Chefland, Paper Cutting, Palindrome Flipping, Card Removal
Starters 61 Division 3 (Rated)
Minimise LCS, Different Consecutive Characters , Odd Sum Pair
Starters 62 Division 3 (Rated)
Sorted Substrings, Make Multiple, Final Sum, X Jumps, Test Score
Starters 63 Division 3 (Rated)
One-XOR Deletions, Avoid Squares Please
Starters 64 Division 3 (Rated)
Mario and the Broken String, Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Distinct Colors
Starters 65 Division 3 (Rated)
Nahaane Jaa, Candies, Hackerman
November Long 2022 Division 3 (Rated)
Split and Maximize, Spliting Balls, String Game
Starters 66 Division 3 (Rated)
Palindrome by Splitting, Just Like Mob!, Binary Battles, Monopoly in Chefland
Starters 67 Division 3 (Rated)
Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem
Starters 68 Division 3 (Rated)
Expense List, Make AP, Make Money
Starters 69 Division 3 (Rated)
Akash and Dinner, Convert to permutation, Distinct Sequence
Starters 70 Division 3 (Rated)
Cost of Groceries, Prime Reversal
Starters 71 Division 3 (Rated)
Pet Store, Snapchat, Perfect Trio
December Long 2022 Division 3 (Rated)
Reach fast, Maximise XOR
Starters 72 Division 3 (Rated)
Indivisible, Apples and oranges, N Triplets
Starters 73 Division 3 (Rated)
Consecutive Xor, Lucky Numbers, Append for OR
Starters 75 Division 3 (Rated)
Prefix Ones, Three Powers of Two, Two Ranges
February Cook-Off 2023 Division 3 (Rated)
Take Not Less, Bi_lindrome!, Permutation and Modulus, Netflix
Starters 77 Division 3 (Rated)
Spreading Charges, Tekken
Starters 78 Division 3 (Rated)
Bitwise Equation, Valid Expression, Passing Marks
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 85 Division 3 (Rated)
Crazy Bishops on Chessboard, Efficient PAN Linking, Inside The Stadium, Can Chef
Starters 86 Division 3 (Rated)
String Game , Cricket Match, Chef and Battery , Maximise Score
Starters 87 Division 3 (Rated)
Return the Change, Existence
Starters 83 Division 3 (Rated)
Chef Eren, Construct String
Starters 89 Division 3 (Rated)
Monopoly, Plus 2 or Minus 1, Positive or Negative Subarrays, DDMM or MMDD
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Blobby Volley Scores
Starters 92 Division 3 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist, Water Filling
Starters 94 Division 3 (Rated)
Gymkhana Election IIIT-A, CodeChef Streak, Possible or Not, The Vowel Matrix
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
August Long 2023 Division 2 (Unrated)
Maximum Deliciousness
September Short 2023 Division 2 (Unrated)
Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Make It One
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 139 Division 2 (Rated)
Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 153 (Rated)
Butterfly, Colorful Tree (Easy Version)
Starters 154 (Rated)
GCD and XOR, Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Starters 156 (Rated)
Partition Score, Even Numbers Hate
Starters 162 (Rated)
Adjacent Sum Array, Permutation Mod K
Starters 163 (Rated)
Tree Sum is Fun !, Nice Array, Minimum Types, Sort Them