Tahsin Arafat
Rookie League
- tahsinarafat
Bangladesh- Student
- Jessore University of Science and Technology Bangladesh
- No Active Plan. View Details
Submissions Heat Map
Learning Paths (2)
Practice Paths (4)
Contests (69)
February Cook-Off 2023 Division 4 (Rated)
Battery Health, Netflix
Starters 77 Division 4 (Rated)
Tekken, Tom and Jerry Chase, Codechef Airlines
Starters 78 Division 4 (Rated)
Passing Marks, Candy Store, Good Turn
Starters 79 Division 4 (Rated)
One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums, Better Deal, Ageing
Starters 80 Division 4 (Rated)
Prefix Permutation, Just One More Episode, Single-use Attack, Running Comparison, Equal Elements
Starters 81 Division 4 (Unrated)
Divide Pages, Maximum Capacity, Sunny Day
Starters 82 Division 4 (Rated)
Reach Home, Candy Division
Starters 84 Division 4 (Rated)
Max count of 1, Chef and Donation, Elections in Chefland, Max Binary, 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 87 Division 3 (Rated)
Return the Change, Existence, AB plus C
Starters 83 Division 4 (Rated)
Chef Eren, Construct String, Budget of Technex, Couple Game
Starters 88 Division 4 (Rated)
Unstable Subarray, Masterchef finals, Online or Offline, Largest and Second Largest
Starters 89 Division 4 (Rated)
Monopoly, Plus 2 or Minus 1, Parliament, DDMM or MMDD
Starters 90 Division 4 (Rated)
Crushed Apples and a Balance Scale, Learning SQL, AP Free Sequences, Printing Binary Array, Favourite Numbers, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Starters 92 Division 3 (Rated)
Rectangular Tiling, Dotify Playlist, Water Filling
Starters 93 Division 3 (Rated)
Break Free, 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 2 (Rated)
Airport Management, Ball Distribution
Starters 99 Division 3 (Rated)
Card Swipe, Endless Appetizers, Exclusion-Inclusion
Starters 100 Division 2 (Rated)
Stamps 100
Starters 101 Division 2 (Rated)
Minimize Xor Difference, Warrior Chef, Lockpicking Chef
Starters 103 Division 2 (Rated)
Unique xor, Divisible By 8, Dice Number
Starters 104 Division 2 (Rated)
Lexicographically Largest , GCD and LCM
Starters 107 Division 2 (Rated)
Rock Paper Scissor, OR Permutation
Starters 108 Division 2 (Rated)
Clan Expansion, Palindromic Prime Numbers, Fair Distribution, Multiple of 9
August Long 2023 Division 2 (Unrated)
All New CodeChef, Maximum Deliciousness, I Can Use Both Hands!
Starters 112 Division 2 (Rated)
Cursed Indices, 3 Logicians Walk into a Bar, Yet Another Array Game, Max Nutrition
Starters 113 Division 2 (Rated)
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq
Starters 114 Division 2 (Rated)
Yet another Matrix problem, Rock-Paper-Scissors, Christmas Candy
Starters 116 Division 2 (Rated)
Chef Product, ORST , Exact Savings, Access Control
Starters 117 Division 2 (Rated)
Equality Etiquette, Spread Spree, Not Prime Permutation, Spell Shortening
Starters 119 Division 2 (Rated)
Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm
Starters 120 Division 2 (Rated)
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Starters 121 Division 1 (Rated till 6-Stars)
Frequal, Split And Maximize, Escape, Caesar Cipher Lite
Starters 122 Division 1 (Rated till 6-Stars)
Arya In Grid, Transformation Cost
Starters 123 Division 1 (Rated till 6-Stars)
Minimum And Maximum I, Yet Another Alice Bob Game, Minimum And Maximum II
Starters 124 Division 1 (Rated till 5-Stars)
Swap and Unite, Make It One
Starters 125 Division 2 (Rated)
Bucket Game, Fake Certificate, Binary Minimal
Starters 126 Division 2 (Rated)
Freedom, Permutation Disturbance, Triangular Swaps
Starters127 Division 1
ABC Conjecture, Anti-Triangle
Starters 131 Division 1 (Rated till 5 Stars)
K-Closeness, Encrypt Value, T-Perm
Starters 132 Division 1 (Rated till 6 Stars)
ALIEN-OR, Optimal Flip, MEX QUERIES , Prime Query
Starters 134 Division 1 (Rated till 6-Stars)
Origin, Prison Escape, 3out1in
Starters 135 Division 1 (Rated till 5-Stars)
Graph Cost, Change A to B
Starters 136 Division 1 ( Rated till 6-Stars )
Lexicographically Maximal Prefix AND, Sum of Modes
Starters 137 Division 1 (Rated till 5-Stars)
Double Trouble
Starters 140 Division 1 (Rated till 5-Stars)
Split Permutation, Trick Or Treat, Break The String, Tree Removal
Starters 141 Division 1 (Rated till 5-Stars)
Amphibian Escape, Perfect Prefixes
Starters 142 Division 1 (Rated till 5-Stars)
Array Removal, Number Hunt
Starters 146 Division 1 (Rated till 5 stars)
Back Front, Bouncing Ball, Permutation Construction
Starters 147 Division 1 (Rated till 5 stars)
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Starters 148 Division 1 (Rated till 6 stars)
The Undisappearance
Starters 149 (Rated till 5 stars)
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Starters 150 (Rated till 6 stars)
Equal Pairs (Hard)
Starters 151 (rated till 5 stars)
Ball Game, Sequence Search
Starters 154 (Rated till 6 stars)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)
Starters 157 (Rated till 5 stars)
Small, Smaller, Smallest, Normal is Good, Unmedian
Starters 167 (Rated till 5 stars)
Alternate Universe, Temperature Balance, Lottery Tickets, Grid Construction (Even), Grid Construction (Odd)
Starters 171 (Rated till 5 star)
White Wall, Volcanic Eruption
Starters 174 (Rated upto 2700)
GCD Add Size, Mystic Slimes
Starters 175 (Rated till 5 stars)
Alternate It!, Multiplexer
Starters 177 (Rated till 5 star)
Flip or Reverse, Counting 01 and 10
Starters 178 (Rated till 6 star)
Big Difference
Starters 182 (Rated till 5 star)
Palindromic Score
Starters 184 (Rated till 5 star)
Adjacent OR, Front or Back, Double or Append
Starters 188 (Rated till 6 star)
Swaps in a String, K Boxes, Yet Another Monsters Problem
Starters 190 (Rated till 5 star)
Subsequence Sort