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 Dynamo, Breaking Bricks
Coronavirus Spread, Isolation Centers
Find Your Gift
Even Matrix, The Tom and Jerry Game!, Chef and Icecream, Chef and String, Chef and Price Control
Ada King, Missing a Point, Chef and Card Game, Chef and Strings
Restore Sequence, Ada and Dishes, Magical Candy Store, Iron, Magnet and Wall
Fair Elections
Maximise Function
Zero Ones Equal One Zeros, The Lost Array, It is My Serve, Too many Floors, Determine the Score, Max Shift After XOR, Equal by XORing
Array sorting, Sort the String, MATH1 Enrolment, Group Assignment
Chef On Date, Copy and Push Back, Similar Heights, Construct N, End Sorted, Minimum Coins, Chess Time
Maximize Difference, Concat Sort, Chef in his Office, To Divide or Not To Divide, Sum of Product 1, Hungry Chef
Air Blimp, Permutation GCD, Sum Product Segments, Nearest Court, Average Permutation
Black&White Ring Game, Car Trip, Greater Average, Odd Pairs, Make A and B equal, Queen Blocks, Weights
Return the Change, Inversions of subsequences, Existence, AB plus C
Maximum And Or, Chef and Asteroids, Unstable Subarray, Minimize the Bits
Plus 2 or Minus 1, Positive or Negative Subarrays, Subarray Removal, Two Averages
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree
Equality Etiquette, Spread Spree, Not Prime Permutation, Spell Shortening
K Odd Sum
Find Permutation , Construct Permutation, Count Subarrays, Count Arrays, Sub or Swp
Frequal, Split And Maximize, Caesar Cipher Lite
ABC Conjecture, Anti-Triangle
Binary Substring, XOR And Multiply
Palindromic Substrings
ABC Conjecture 3, Powered Parameters, Too Far For Comfort (Easy Version)
Origin, Prison Escape, 3out1in
Graph Cost, Change A to B
Lexicographically Maximal Prefix AND, Sum of Modes
Speedrun, Double Trouble
A power B mod C , TRIPLE PRIMES, K Subarray Products, Prefix Suffix Inequality, Distinct Substring
Amphibian Escape, Perfect Prefixes
Array Removal
Non-Divisor Array
Make Bob Win , Querified
Back Front, Bouncing Ball, Permutation Construction
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Temperature Balance, Lottery Tickets, Sum Over Subarrays, Grid Construction (Even), Grid Construction (Odd)
Substring Strategy, Hamming equivalent
Crazy Jumping Frogs, qUiRkY qUesTs (Easy), Stabilize Warwick
Strange Nim Game, White Wall, Volcanic Eruption
Transform String
Number Walks, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Currency Exchange, Minimize Maximum Mex, Stable Diffusion (Easy)
Compare and Connect, Permutation Cost Sum, Huge Grid (Easy Version), Delete Maximum, Mixing Liquids, Mark Points
Easy Grid Game, Tactical Conversion, Small GCD Sort, High Score (Hard Version), High Score (Easy Version)
Subarray Maximums, No Doubling, Tournament Rigging (Minimum)
Interesting Binary (Easy Version), Distinct Fun, Counting MEX Is Fun, Binary Flip, Beautiful Sum
Mean Difference (Easy), Chef and String, Separation, Maximum Product Walk
Crazy Permutations, Scam, Delete For Fun, Beautiful Subsequence
Intersecting Intervals (Easy), Product Sum Arrays (Easy), Product Sum Arrays (Hard), Markers on a Tree (Easy), Differing Values
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