Raihan Arefin
- 3★mr_no0b
Bangladesh- Student
- Khulna University of Engineering & Technology Khulna, Bangladesh
- No Active Plan. View Details
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Ratings System Update
(2025-12-31 22:00:02)Ratings System Update
(2022-12-20 00:00:00)Learning Paths (0)
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Practice Paths (0)
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Contests (33)
Starters 68 Division 4 (Rated)
Expense List, Bull or Bear, Make AP, Make Money
Starters 70 Division 4 (Rated)
Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
December Long 2022 Division 4 (Rated)
Gcd of Subarrays, Good Investment or Not, Divisible by K, Reach fast, Maximise XOR
Starters 78 Division 3 (Rated)
Valid Expression, Passing Marks
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
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 97 Division 2 (Rated)
Schrodinger Smiley, Triplets Min
Starters 121 Division 2 (Rated)
Frequal, Split And Maximize, Caesar Cipher Lite, Anti Adjacent Swaps
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
Starters 127 Division 2
ABC Conjecture, Superincreasing, Anti-Triangle
Starters 128 Division 2 (Rated)
Binary Substring, XOR And Multiply, MEXimize the Array
Starters 131 Division 2 (Rated)
K-Closeness, Dice Deception, Encrypt Value
Starters 133 Division 2 (Rated)
Powered Parameters, Maximum Alternating Sum
Starters 137 Division 2 (Rated)
Double Trouble, Large Differences
Starters 166 (Rated)
Distinct Power, Chefland Library
Starters 171 (Rated)
Swish Game, White Wall
Starters 172 (Rated)
Transform String, AndOr, Streak Star
Starters 175 (Rated)
Alternate It!, Make same
Starters 177 (Rated)
Flip or Reverse, Counting 01 and 10, 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 188 (Rated)
Swaps in a String, K Boxes, Yet Another Monsters Problem, Subset Sum 3
Starters 190 (Rated)
Subsequence Sort, Light All, Parry It! (Easy)
Starters 191 (Rated)
Grid Path (Easy), Add to get GCD, Permuted Greater than 2
Starters 192 (Rated)
Security Lines, No 3 Please!
Starters 194 (Rated)
Mark All, Munchys Modulo, Chef Bakes Cake 3
Starters 215 (Rated)
Product Sum Arrays (Easy), Differing Values, Special Missions
Starters 216 (Rated)
LIS and LDS, XOR Equal Subtract, Best Seats
Starters 219 (Rated)
New Operation, 3 Paths , Ones and Zeroes II, Ones and Zeroes I
ICPC Amritapuri 2025 - Onsite Round Replay
B - Fair Removals, J - Varied Subsequences, F - Red Green Game