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.
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Chef And his Cake, Penalty Shoot-out
Chef and Employment Test
Binary Nim 2, Ada and the Staircase
Yalalovichik Numbers
Appy Loves One, Good Median, Chef, Primes and Trees (Challenge)
Appy and Balloons , Minimize Digitsum, Chef and Serves, Byte to Bit, Chef and Circles
Judging Delay, Opposite Cites, Chef Restaurant
Knight Chess, Second Largest Element, Old Farmer, Paint the Wall
Yet Another Problem About Sequences, Different Neighbours, Distinct Pairs, A Pizza Slice
Ada School
Guddu and his Mother, Encoding, Dilemma, Maximize an Expression
Biladerim Icin, Fuzzy Linear Combinations, Expected GCD, Doofish Set, Chef Designed a Network
Even Edges, Chef and Maximum Star Value, Array Modification
Physical Exercise, Smallest Beautiful Number, From Zero to Infinity, Single Point of Failure
Chefina and Ranges, Binary XOR, Sticky Notes, Addition
Endgame
Chef and Dynamo, Doraemon, Chefina and Prefix Suffix Sums, English
Chef and Railway Stations, Expected Change, No Change Required, (Challenge) Raisins, Long Contest and Cook Off Overlaps
Chef and DAG, Lasers Everywhere, Inverse of a Function, Lasers Everywhere Alternative
Strange Number, Squared Subsequences, Ready Bitwise
Triple Sort, Isolation Centers
XOR Game
Mysterious Sequence
Chef, Chefina and Their Friendship, Chefina on a Trip, Roads in Chefland
Maximize LCM, Strip in a Tree!
Positive Mex
Convert the String, Tree difference
Banana String, Corruption in Freedonia, Gru is Handing Out Bananas, Minion AND Range, Recruit Villagers
Lavanya Loves DFA, Mr Pr in a Dilemma
Button Pairs, Base Plans, Find maximum in an Array, Blocks, Mercury Poisoning
The Tom and Jerry Game!, Operations on a Tuple, The Delicious Cake, Convenient Airports, Guessing Game, Covid Sampling (Challenge)
Insanely Hard School Exams, Subsequence Frequency Counting, Smallest KMP, Chef and Wedding Arrangements
Chefina and Swap, Chef and Trump Cards, Find XOR, Ada Matrix
Even-tual Reduction, OR-thodox Distinction
Red-blue Trees, Polygon Relationship
Chef and String, Chef and Walk, Chef and Rotation, Chef and Subsequences, Chef and Numbers
Chef vs Doof, Doof on Cartesian, Doof fires Brackets, Jeremy gets a gift
Cherry and Bits, Priya and AND, Help Martha
Possible or Not, Search for 404, Special Operation, The Vowel Matrix
Boxes, Transfusion Chain
Swap the numbers, Mex Array
Make It Special, No Palindrome, Triplets Min
3-Blast Palindrome, Ball Distribution, Sub-Array With Maximum Sum
Segment Three, Musical Chairs, Two Piles, Exclusion-Inclusion
Prime Permutation, Stamps 100, Ant
Dull Operation
Maximal Expression, Adjacent Flips, Odd Matrix, OR Permutation
Minimum XOR, Alter Ego, Chroma Swap
LCM Mania, Prefixing, Prime Range Game, Beautiful Strings, ODI Cricket
Count Distinct Arrays, Minimise Maximum Subarray Sum, Score Sum, Maximum Score
Yet another Matrix problem, Chef and Tag, Rock-Paper-Scissors
Subtraction Sequence I, Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Chef Product, ORST , Permutation Sort, Exact Savings
Equality Etiquette, Spread Spree, Stingy Arrays, Not Prime Permutation
Join States, Xorry 2, Xorry 1
Amphibian Escape, Perfect Prefixes
Sum of Xors, Array Removal, Number Hunt
Non-Divisor Array, Max Min and Length, Spread of Ratism
Find P, Minimise Inversions, Largest K
Beautiful Array, Make Bob Win , Square String
Back Front, Bouncing Ball, Permutation Construction
K Subsequence 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Double Trouble, Beautiful Flip, The Undisappearance
Completion (Hard), Maximize Hamming Distance, Completion (Easy), Anti-Palindrome Queries
Count Winning Subarrays, GCD and XOR
GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max, Array Concatanation
Partition Score
Sum By OR, Flip or Reverse, Counting 01 and 10
Station Allocation, Can you reach
Add 1 or 2, Grid Path (Easy), Permuted Greater than 2
MinPath Minimize, Equate XY, No 3 Please!
Munchys Modulo, Good Arrays (Cyclic)
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