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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Lost Weekends
Chef and String, Chef and Price Control
Positive AND, Replace for X, Covid Run, Chef and Easy Queries
Fair Elections, Chef and Division 3, Point Of Impact, Encoded String
Chef and Dice, Valid Pair, World Record, Strong Language
Lucky Number, Maximum Number Of Distinct Elements
Palindromes Not Allowed, Subsegment Divisibility , Mask Policy, Hungry Ashish
Average of Three, Subarray Mex
XOR and AND, Alternating String, Sign Moves, The Unchanging OR
Sticks and Rectangles
Distinct Dilemma, Broken Life, Non Adjacent Flips, Make Them Equal
Dazzling Even-Odd Challenge, Beat the Average, Infernos, Maximum OR Minimum
Good Pairs, Average Gift, Circular Track
Bucket and Water Flow , Maximum Pairwise Modular Sum
Compress the Video, Crazy Substrings, Closest Vowels, Even Subarray XOR
Equal Integers, Is this priority or parity!, Path Parity
Minimum or Maximum, Divisible by 3
Even Equal Odd, Xor and Multiply, Retrieve the Array, Adjacent Sum Parity
Vowel Anxiety
Construct N, End Sorted, Minimum Coins
The Last Levels, Easy Pronunciation, Yet Another Palindrome Making Problem, Maximum Median Matching, Largest Family
Balls and Boxes, Mean and Median, OR Tuples
Maximum Subarray , Suspense String, Confusing Concatenations
Maximum Angriness, Expensive Steps , Counting Problem
Akash and Dinner, Distinct Sequence
Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
N Triplets
Mountain, One Stone or Two Stones, Add smallest prime factor, Distinct Opposite Sums
Plus 2 or Minus 1, Positive or Negative Subarrays
Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Break Free, Problem
CodeChef Streak, Possible or Not, The Vowel Matrix
Swap the numbers, Mex Array, Remove Multiples
Schrodinger Smiley, No Palindrome, Triplets Min
Segment Three, Two Piles, Card Swipe, Exclusion-Inclusion
Minimize Xor Difference, Split and ADD, Warrior Chef, Lockpicking Chef
ORST , Access Control
Subset GCD, Join States, Xorry 2, Xorry 1
ALIEN-OR, Optimal Flip, GAME 11
ABC Conjecture 3, Powered Parameters, Maximum Alternating Sum
Origin, Rock Paper Scissors, 3out1in
Invert And Equalize, Change A to B
A power B mod C , TRIPLE PRIMES, Prefix Suffix Inequality, Long Drive, Distinct Substring
Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Redundant Array, Amphibian Escape
Bouncing Ball, Permutation Construction, Knockout tournament
Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
FightBots
Easy Subarray Sum, Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Butterfly, Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Temperature Balance, Lottery Tickets, Delete Not Equal, Grid Construction (Odd)
Flip or Reverse, Counting 01 and 10, Ordered Distances, 2 Boxes
Smoothly Increasing , Big Difference, Placing 01 And 10
Lost in the Fest!!, Station Allocation, Unlock The Safe, Can you reach
Flip Prefix, Find Outside Array
Currency Exchange
Binary Love, Tactical Conversion, Small GCD Sort, High Score (Easy Version)
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down, Tournament Rigging (Minimum)
Best Seats
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