Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Learn to think like a programmer. Develop your problem-solving skills with essential data structures and algorithms.
From beginner to job-ready. Explore our curated career paths designed to help you succeed in the tech industry.
Rookie League
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Chef and Interactive Contests
Football
Easy Fibonacci
Chef Feeds Cats
Array Modification, Operations on a Matrix, Phone Prices
Physical Exercise, Hard Sequence, Weapon Value
Plus Multiply, Easy Subsequence Selection, That Is My Score!
Chef and Dynamo, Doraemon, Breaking Bricks
The Theatre Problem, School of Geometry, Hard Cash
XOR Engine, Ada Bishop 2, Pintu and Fruits
Strange Number, Squared Subsequences, Unit GCD, Sell All the Cars, Leaked Answers (Challenge), COVID Pandemic and Long Queue
Coronavirus Spread, Isolation Centers
At the Gates, Not All Flavours
Chef Swaps Digits, Good Prefix
Chef in Fantasy League
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Covid Sampling (Challenge), Chef and String, Chef and Price Control
Ada King, Chefina and Swaps, Missing a Point, Doctor Chef, Chef and Card Game, Chef and Strings
Chef Wars - Return of the Jedi, Another Card Game Problem, Chef and Linear Chess, Smallest KMP
Chef and Steps, Maximum Candies
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
Watching CPL, Fair Elections
Hail XOR, Calculus, Positive Prefixes, Even Pair Sum
Three Letters, One Zero Swaps
Zebra Crossing, Fake Swaps, Adjacency Hatred
Chef and Water Car, Exactly N plus 1 Values
Yet another subarray problem, Remove Element
Palindromes Not Allowed, Mean Maximization, Subsegment Divisibility
Subarray permutations, Prefix Zeros, Permutation XOR Sum
Perfect Permutation, PerMEXuation , Prefix Permutation
Doubled Distances
Permutation And Median, Xor Permutation, Segmentation Fault
Simple XOR, Break the Stick
Zero Ones Equal One Zeros, The Lost Array, Max Shift After XOR, XOR Times 2 Is Sum, Equal by XORing
Sum of Modes, My First Geometry Problem
Speedrun, Double Trouble, Large Differences
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Sum of N, Maximum Distance Permutations, Destroying Bridges Part 2
Split Permutation, Trick Or Treat, Break The String, Tree Removal
Redundant Array, Amphibian Escape, Perfect Prefixes
Array Removal, Number Hunt
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
The Undisappearance, FightBots
Kill Monsters (Hard Version), Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Equal Pairs (Hard), Replacing Game
Ball Game
Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries
GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Small, Smaller, Smallest
Super Hero, Elections
Palindrome Love, Modindrome, Buying Order (Easy), Equate S and T
Red-Blue Sort
Adjacent Sum Array, Permutation Mod K
Nice Array, Minimum Types, Sort Them, Lexio Swap
Halloween Array, Swap and Flip, Connecting Wells
Reverse and Alternate, Stable Array, Bulk Discount
Distinct Power, Divisors Array (Easy Version), Costly Permutations, Chefland Library
Lottery Tickets, Delete Not Equal, Grid Construction (Odd)
Constant Subsequence, Hamming equivalent, Make K Most Frequent
Swish Game, White Wall, Volcanic Eruption
Mystic Slimes, Deletion and Difference
Alternate It!, Make same
Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes
Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach
The Best Matrix, Flip Prefix, Find Outside Array
Subsequence Sort, Min-Max Deletion, Parry It! (Easy)
Add 1 or 2, Grid Path (Easy), Add to get GCD, Permuted Greater than 2
Security Lines, Equate XY, No 3 Please!
String Deletions, Game (Easy), Marble Collector
GCND, Sabotage, Alternate Jumps, Cycle and Add
Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)
Delete Sorted Subsequence, Chocolate Eating, First Element Counting
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down
Chef and String, Separation, No 4 Please
Intersecting Intervals (Easy), Product Sum Arrays (Easy), Differing Values, Special Missions
LIS and LDS, XOR Equal Subtract, Best Seats
Make An AP, Range MEX, Max Adds, Add to make Positive, Add 1 or 3
Collatz Conjecture (Easy), Deleting Array Again, Counting Optimal Arrays, Stop The Count
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