Abu Sufian Rafi
- rafi41
Bangladesh- Student
- Leading University, Sylhet Bangladesh
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (0)
Practice Paths (1)
Contests (100)
Starters 35 Division 4 (Rated)
Water Requirement, Police and Thief, Jenga Night
April Long Two 2022 Division 4 (Rated)
Sasta Shark Tank, Six Friends, Best Coupon, Pseudo Sorted Array
May Cook-Off 2022 Division 4 (Rated)
Chef and Gym, Chef and Masks, Farmers League
May Long One 2022 Division 4 (Rated)
Football Cup, Miami GP
June Long One 2022 Division 4 (Rated)
Chairs Requirement, Subscriptions
Starters 44 Division 4 (Rated)
Biryani classes, Air Hockey
Starters 51 Division 4 (Rated)
Final Population, TV Discount, Dominant Element
Starters 54 Division 4 (Rated)
Number of Credits, Ticket Fine
Starters 55 Division 4 (Rated)
Balls and Boxes, Permutation Clear, Fever, Broken Phone
Starters 56 Division 4 (Rated)
Nearest Exit, Chefland Games, Maximize Colours, Far Away
September Lunchtime 2022 Division 4 (Rated) (Based on EJOI)
Sleep deprivation, Flip the cards, Equalize AB, Stick Break, Permutation Creation
Starters 58 Division 4 (Rated)
Break the elements, 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 62 Division 3 (Rated)
Sorted Substrings, Final Sum, X Jumps, Test Score
Starters 63 Division 4 (Rated)
Packing Books, Make Length 1, Tasty Decisions, Avoid Squares Please
Starters 64 Division 3 (Rated)
Mario and the Broken String, Luigi and Uniformity, Distinct Colors
Starters 65 Division 3 (Rated)
Nahaane Jaa, Candies, Hackerman
Starters 66 Division 3 (Rated)
Good Binary Strings, Just Like Mob!, Binary Battles, Monopoly in Chefland
Starters 67 Division 3 (Rated)
Maximum Angriness, Expensive Steps , Minimum Number of Ones, Counting Problem
Starters 70 Division 3 (Rated)
Cost of Groceries, Minimum distance between 1s, Prime Reversal
Starters 73 Division 3 (Rated)
Lucky Numbers, Append for OR
Starters 75 Division 3 (Rated)
Three Powers of Two, Two Ranges
Starters 77 Division 3 (Rated)
Tekken
Starters 80 Division 3 (Rated)
Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 3 (Unrated)
Divide Pages, Maximum Capacity
Starters 82 Division 3 (Rated)
Make A-B Same, Reach Home, Difference Matrix, MIN To MAX
Starters 87 Division 3 (Rated)
Return the Change, Existence
Starters 90 Division 3 (Rated)
AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 92 Division 3 (Rated)
Rectangular Tiling, Distance Coloring, Dotify Playlist, Water Filling
Starters 95 Division 3 (Rated)
Alt-Tab, Boxes, Transfusion Chain, EVacuate to Moon
Starters 97 Division 3 (Rated)
Caesar Cipher, Schrodinger Smiley, Triplets Min, Best of Two
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 2 (Rated)
Stamps 100
Starters 102 Division 2 (Rated)
Bit Play, Array Sum
Starters 104 Division 2 (Rated)
Maximise Sum, GCD and LCM
Starters 105 Division 2 (Rated)
Take it Easy, Dull Operation
Starters 107 Division 2 (Rated)
Rock Paper Scissor, OR Permutation
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers
Starters 109 Division 2 (Rated)
Minimum XOR, Best of N Sets, Alter Ego
September Short 2023 Division 2 (Unrated)
GCD Discount, Ultimate Fencing, Lucky Seven, Slow Start, Mixing Extraordinaire
Starters 111 Division 2 (Rated)
Prefixing, Reach Codetown
Starters 113 Division 2 (Rated)
Maximum Score , Sum Neq
Starters 115 Division 3 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution
Starters 117 Division 2 (Rated)
Not Prime Permutation, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 2, Xorry 1
Starters 120 Division 2 (Rated)
Count Subarrays, 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, Minimum And Maximum II
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 135 Division 2 (Rated)
Invert And Equalize, Change A to B
Starters 136 Division 2 ( Rated )
Sum of Modes, My First Geometry Problem
Starters 137 Division 2 (Rated)
Speedrun, Large Differences
Starters 138 Division 2 (Rated)
A power B mod C , Prefix Suffix Inequality, Long Drive, Distinct Substring
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Trick Or Treat, Yoga Day, Break The String, Tree Removal
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 143 Division 2 (Rated)
Non-Divisor Array, Binary Conversion
Starters 145 Division 2 (Rated)
Make Bob Win , Make My Array Equal
Starters 146 Division 2 (Rated till 5 stars)
Bouncing Ball, Permutation Construction, Knockout tournament
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)
FightBots
Starters 150 (Rated)
Equal Pairs (Hard), Replacing Game, Find Multiset State, Equal Pairs (Easy)
Starters 151 (rated)
Convert string
Starters 153 (Rated)
Butterfly, Another Game, Colorful Tree (Easy Version)
Starters 154 (Rated)
Triangle Count (Easy), Add 1 or 2 Game
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Replace With First Literally, Prefix Suffix Min Max
Starters 156 (Rated)
Count Triplets, Partition Score, Even Numbers Hate
Starters 157 (Rated)
Small, Smaller, Smallest, Not-too-far Replacement
Starters 160 (Rated)
Palindrome Love, Equate S and T
Starters 161 (Rated)
Temporary Temperature, Red-Blue Sort, One To Three, Two Cards
Starters 165 (Rated)
Reverse and Alternate, Stable Array, Bulk Discount
Starters 166 (Rated)
Distinct Power, Divisors Array (Easy Version), Chefland Library
Starters 167 (Rated)
Lottery Tickets, Delete Not Equal
Starters 168 (Rated)
No Two Alike, Binary Removals, Make Odd
Starters 169 (Rated)
Hamming equivalent, Make K Most Frequent
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
Starters 174 (Rated)
Mystic Slimes, Deletion and Difference
Starters 181 (Rated)
The Best Matrix, Flip Prefix, Find Outside Array
Starters 182 (Rated)
Bar Queue, MasterChef, Beautiful Garden, Palindromic Score
Starters 184 (Rated)
One Down, Adjacent OR, Front or Back, Double or Append
Starters 186 (Rated)
Distinct Arrays , Segment Tree Reconstruction, Jump A or B, Approval Ratings
Starters 187 (Rated)
OR What, Incremental Game, Distinct Representations
Starters 188 (Rated)
K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 189 (Rated)
Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Starters 190 (Rated)
Subsequence Sort, Light All, Parry It! (Easy)
Starters 191 (Rated)
Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2
Starters 193 (Rated)
Mex Tree (Min), Add Permutation, Check Odd Even Divisors, Count Odd Even Divisors
Starters 195 (Rated)
String Deletions, Game (Easy), Game (Hard), Marble Collector
Starters 196 (Rated)
Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), All Odd Prefix Sums, Split
Starters 199 (Rated)
Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide
Starters 200 (Rated)
Random NIM, Restrict Palindromes, Good Subsequence
Starters 201 (Rated)
Compare and Connect, Huge Grid (Easy Version), Mixing Liquids, Mark Points
Starters 203 (Rated)
MEX on Ranges, Maximum MST, Cab Rides
Starters 205 (Rated)
Unreachable, Mirror Jump, Triplet Maximization