rejwanul haque
- 4★razoncdr
- Bangladesh
- Student
- Sylhet Engineering College, Bangladesh
- No Active Plan. View Details
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Ratings System Update
(2024-12-25 22:00:00)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (71)
January Lunchtime 2022 Division 3
Subarray permutations, Chef and Subset Additions, Chef and Lockout Draws
February Long 2022 - I, Division 3 (Rated)
Binary Base Basics, Bitwise Blend, N Queens Puzzle Solved !, Chef and the Hair Salon
CodeChef Starters 25 Division 2 (Rated)
Building Towers, Equal MEX, Points and Lines
February Long 2022 - II, Division 2 (Unrated)
Avoid Fixed Points
Starters 35 Division 4 (Rated)
Jump to Sibling, Dark Light, Water Requirement, Police and Thief, Jenga Night
Starters 37 Division 4 (Rated)
The Mango Truck, Roller Coaster, Beat the Average, Laptop Recommendation , Infernos, Maximum OR Minimum
Starters 39 Division 4 (Rated)
Compress the Video, Closest Vowels, Recent contest problems, My very 1st contest!, A or B, Chess Ratings
July Cook-Off 2022 Division 3 (Rated)
Permutation And Median, K-MEX, Xor Permutation, High Accuracy
Starters 41 Division 4 (Rated)
Equal Integers, Chef and Brain Speed, Chef and Chocolates, Is this priority or parity!, Path Parity, Determine the Winner
June Cook-Off 2022 Division 4 (Rated)
Simple XOR, Rating Improvement, Playlist, Break the Stick, First and Last
Starters 42 Division 3 (Rated)
Minimum or Maximum, Divisible by 3, How Many Maximums, Minimum number of Flips
Starters 44 Division 3 (Rated)
Triple Xor, Dense Bracket Sequence, The Attack of Knight, Jogging
Starters 45 Division 2 (Rated)
Even Equal Odd, Retrieve the Array, Adjacent Sum Parity
Starters 46 Division 2 (Rated)
Prime Xor, Vowel Anxiety, Array sorting, Sort the String
Starters 47 Division 2 (Rated)
Copy and Push Back, Similar Heights, End Sorted
Starters 55 Division 2 (Rated)
Balls and Boxes, Mean and Median
Starters 56 Division 2 (Rated)
K-Subarrays, Maximize Colours
Starters 57 Division 2 (Unrated)
Maximum Expression, Even Splits, Two Different Palindromes
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 62 Division 2 (Rated)
Sorted Substrings, Make Multiple, Final Sum
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Palindrome In Making, Just Like Mob!
Starters 69 Division 2 (Rated)
Akash and Dinner, Distinct Sequence
Starters 71 Division 2 (Rated)
Pet Store, Maximizing LCS
Starters 73 Division 2 (Rated)
Consecutive Xor, Append for OR
Starters 74 Division 2 (Rated)
Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Starters 75 Division 2 (Rated)
Equal Hamming Distance, Prefix Ones, Three Powers of Two
Starters 77 Division 2 (Rated)
Concat Palindrome, K Increment Palindrome, Three Numbers
Starters 91 Division 2 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 92 Division 2 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist
Starters 93 Division 2 (Rated)
Break Free, NASA, Problem
Starters 94 Division 2 (Rated)
CodeChef Streak, Possible or Not
Starters 95 Division 2 (Rated)
Boxes, Transfusion Chain, EVacuate to Moon
Starters 96 Division 2 (Rated)
Swap the numbers, Mex Array, Remove Multiples
Starters 99 Division 2 (Rated)
Card Swipe, Exclusion-Inclusion
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation, Wishcraft
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Fair Distribution
Starters 111 Division 2 (Rated)
LCM Mania, Prefixing, Beautiful Strings, Reach Codetown
Starters 114 Division 2 (Rated)
Rock-Paper-Scissors, Christmas Candy
Starters 115 Division 2 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum
Starters 120 Division 2 (Rated)
Find Permutation , Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 2 (Rated)
Frequal, Caesar Cipher Lite, Anti Adjacent Swaps
Starters 122 Division 2 (Rated)
Arya In Grid, Transformation Cost, Man of the Match
Starters 123 Division 2 (Rated)
Maximise Adjacent Sum, Check Adjacent Sum, Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One
Starters 125 Division 2 (Rated)
Bucket Game, Operating on A, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance, Triangular Swaps
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array, Disjoint Non-Decreasing Array
Starters 130 Division 2 (Rated)
Make Equal, Alternating Binary String, Good Binary String
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value
Starters 132 Division 2 (Rated)
ALIEN-OR, Optimal Flip, GAME 11
Starters 133 Division 2 (Rated)
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Starters 134 Division 2 (Rated)
Origin, Rock Paper Scissors
Starters 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 137 Division 2 (Rated)
Double Trouble, Large Differences
Starters 141 Division 2 (Rated)
Redundant Array, Amphibian Escape
Starters 142 Division 2 (Rated)
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Starters 147 Division 2 (Rated till 5 stars)
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 2 (Rated)
Double Trouble, FightBots
Starters 150 (Rated)
Equal Pairs (Hard), Replacing Game, Find Multiset State, Equal Pairs (Easy)
Starters 151 (rated)
Ball Game, Convert string
Starters 152 (Rated)
Maximize Hamming Distance, Anti-Palindrome Queries, Range Minimize
Starters 156 (Rated)
Partition Score, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Unmedian, Not-too-far Replacement
Starters 159 (Rated)
Crafty Coloring (Easy), Super Hero, Random Nim, Chess Colouring, Elections
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 163 (Rated)
Tree Sum is Fun !, Nice Array, Minimum Types, Sort Them
Starters 164 (Rated)
Halloween Array, Construct Permutation, Swap and Flip, Connecting Wells
Starters 165 (Rated)
Reverse and Alternate, A to B, Stable Array, Bulk Discount
Starters 166 (Rated till 6 stars)
Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library