Learning Paths (0)
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Practice Paths (0)
None
Contests (80)
March Challenge 2021 Division 3
Chef and Groups
July Cook-Off 2022 Division 3 (Rated)
Permutation And Median, K-MEX, Xor Permutation, High Accuracy
Starters 45 Division 3 (Rated)
Even Equal Odd, Chef and his Apps, Adjacent Sum Parity, Change Row and Column Both
July Long One 2022 Division 3 (Rated)
Journey of the Knight, Game of Piles Version 1, Slow Solution, Pass the Exam, Chef and Candies
Starters 48 Division 3 (Rated)
Buy Lamps, Fill The Grid, Make Palindrome 2, Positive array
July Long Two 2022 Division 3 (Rated)
Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef
Starters 50 Division 2 (Rated)
Permutation GCD, Sum Product Segments, Average Permutation
August Long 2022 Division 2 (Unrated)
XOR with smallest element, Hello Equation
August Lunchtime 2022 Division 2 (Rated)
Easy Permutation, Array Equality
Starters 53 Division 3 (Rated)
Odd Pairs, Make A and B equal, Weights
Starters 54 Division 3 (Rated)
Equal Distinct, Ticket Fine, Team of Two
Starters 57 Division 3 (Rated)
Maximum Expression, Even Splits, Non-Negative Product, Two Different Palindromes
Starters 60 Division 2 (Rated)
Distinct Numbers, Yet Another Palindrome Problem, Palindrome Flipping
Starters 61 Division 2 (Rated)
Minimise LCS, Weird Subarrays, Subarray Removal
Starters 64 Division 2 (Rated)
Luigi and Uniformity, Range Assign, Number of Distinct Elements Minimize, Prime Factor Division
Starters 65 Division 2 (Rated)
Nahaane Jaa, Candies, Binod
Starters 66 Division 2 (Rated)
Good Binary Strings, Palindrome by Splitting, Just Like Mob!
Starters 70 Division 2 (Rated)
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Starters 71 Division 2 (Rated)
Pet Store, Maximizing LCS
Starters 72 Division 2 (Rated)
N Triplets
Starters 77 Division 3 (Rated)
Tekken, Concat Palindrome, Three Numbers
Starters 78 Division 2 (Rated)
Valid Expression, Solve More Problems!
Starters 80 Division 3 (Rated)
Prefix Permutation, Single-use Attack, Running Comparison, Equal Elements
Starters 82 Division 2 (Rated)
Find eX, Difference Matrix
Starters 84 Division 3 (Rated)
Max count of 1, Elections in Chefland, Max Binary, Chef And Adjacent Sums, Melt Gold
Starters 89 Division 3 (Rated)
Positive or Negative Subarrays, Subarray Removal
Starters 90 Division 3 (Rated)
Crushed Apples and a Balance Scale, AP Free Sequences, Printing Binary Array, Anti Palindrome
Starters 91 Division 3 (Rated)
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Starters 95 Division 3 (Rated)
Alt-Tab, Boxes, Transfusion Chain, EVacuate to Moon
Starters 111 Division 4 (Rated)
LCM Mania, Reach Codetown, Exams, 404 Not Found
Starters 112 Division 4 (Rated)
Cursed Indices, Food Costs, Fair Share Settlement, 3 Logicians Walk into a Bar, Yet Another Array Game, Max Nutrition
Starters 115 Division 4 (Rated)
Greedy LIS Algorithm, A PLUS B Remastered, Decorating Christmas Tree, Chocolate Distribution, Codechef Round
Starters 117 Division 3 (Rated)
Not Prime Permutation, Weapon Choice, Spell Shortening
Starters 118 Division 3 (Rated)
Subset GCD, Literacy Rate, Join States, Xorry 2, Xorry 1
Starters 120 Division 3 (Rated)
Count Subarrays, Largest K, Sub or Swp, Valentine Gifts
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 124 Division 2 (Rated)
Binary Parity, Table Strength, Swap and Unite, Make It One
Starters 140 Division 2 (Rated)
Make Permutation, Split Permutation, Tree Removal
Starters 143 Division 3 (Rated)
Binary Conversion, Maximum Coins
Starters 152 (Rated)
Maximize Hamming Distance, Winning World Finals, Range Minimize
Starters 153 (Rated)
Make Arithmetic Progression, Butterfly, Another Game, Colorful Tree (Easy Version)
Starters 155 (Rated)
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First
Starters 157 (Rated)
Small, Smaller, Smallest, Unmedian, Not-too-far Replacement
Starters 158 (Rated)
Largest Subsequence, XOR Smaller, Multiply 2 to Minimize
Starters 159 (Rated)
Super Hero, Elections
Starters 160 (Rated)
Equate S and T
Starters 161 (Rated)
Red-Blue Sort
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)
Make K Most Frequent
Starters 174 (Rated)
Mystic Slimes, Deletion and Difference
Starters 175 (Rated)
Alternate It!, Make same
Starters 177 (Rated)
Flip or Reverse, Ordered Distances, 2 Boxes
Starters 180 (Rated)
Array Operations
Starters 181 (Rated)
Flip Prefix, Find Outside Array
Starters 182 (Rated)
Bar Queue, Palindromic Score
Starters 185 (Rated)
Balanced Lighting, GCD Summation, Creature Hunter, Array Deletion Game
Starters 186 (Rated)
Distinct Arrays , Jump A or B, Approval Ratings
Starters 187 (Rated)
Incremental Game
Starters 196 (Rated)
More Cookies, Sugar Limit, Append Average
Starters 197 (Rated)
Good Ranking (Pair), All Odd Prefix Sums
Starters 198 (Rated)
Decoration Discount
Starters 199 (Rated)
Fence Colouring, Subtract or Divide, Brick Comparisions
Starters 204 (Rated)
Minimize Sum, Drawing Chances, Episodes
Starters 206 (Rated)
Cyclic Shift Minimization
Total Problems Solved: 217
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