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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Boring String, XOR Product, Expense List, Bull or Bear, Make AP, Make Money
Akash and Dinner, Convert to permutation, Distinct Sequence
Kitchen Timings, Spice Level, Cost of Groceries, Minimum distance between 1s, Prime Reversal, Frequency Array Retrieval
Pet Store, Perfect Trio
Divisible by A_i, Gcd of Subarrays, Divisible by K, Reach fast, Maximise XOR
Indivisible, Apples and oranges, N Triplets, Sum it
Find an integer, Consecutive Xor, Append for OR
Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Equal Hamming Distance, Prefix Ones, Three Powers of Two
Asymmetric Swaps, Minimize the Maximum, Array Halves
Concat Palindrome, K Increment Palindrome, Three Numbers
Permutation Subsequence, Prefix Permutation, Equal Elements
Crushed Apples and a Balance Scale, Sum of Goodness, Printing Binary Array, Anti Palindrome
Odd GCD Permutation, Chef Odd, Blobby Volley Scores
Rectangular Tiling, Distance Coloring, Dotify Playlist
Break Free, NASA, Problem
CodeChef Streak, Possible or Not, The Vowel Matrix
Transfusion Chain, EVacuate to Moon
Remove Multiples
Schrodinger Smiley, No Palindrome, Triplets Min
Airport Management, Ball Distribution
Card Swipe, Exclusion-Inclusion
Prime Permutation, Stamps 100
LCM Mania, Prefixing, Beautiful Strings, Reach Codetown
Cursed Indices, 3 Logicians Walk into a Bar, Max Nutrition
Minimise Maximum Subarray Sum, Maximum Score , Sum Neq
Game on Array, Rock-Paper-Scissors, Christmas Candy
Greedy LIS Algorithm, Binary Grid Forces, Make All Zero, A PLUS B Remastered, Decorating Christmas Tree
Chef Product, ORST , Access Control
Equality Etiquette, Spread Spree, Not Prime Permutation, Spell Shortening
Cookie Day, Another Good String , K Odd Sum, Unalike Gcd & Lcm
Count Subarrays, Sub or Swp
Bucket Game, Fake Certificate, Binary Minimal
Freedom, Permutation Disturbance
ABC Conjecture, Superincreasing, Anti-Triangle
Palindromic Substrings, Ballon d Or
Updating A, Make Equal, Alternating Binary String, Good Binary String
Powered Parameters, Maximum Alternating Sum
Origin, Rock Paper Scissors
Invert And Equalize, Change A to B
Sum of Modes, My First Geometry Problem
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
Lucky Matrix, Make Permutation, Split Permutation, Trick Or Treat, Break The String, Tree Removal
Redundant Array, Amphibian Escape, Perfect Prefixes
Chef loves Pizza Chef loves halfs, Array Removal, Number Hunt
Non-Divisor Array, Binary Conversion
Minimise Inversions, Budget Allotment, Largest K
Make Bob Win , Square String
Back Front, Bouncing Ball, Permutation Construction
Maximise Sum, Chef Loves Beautiful Strings (Easy Version)
Equal Pairs (Hard), Min Ops (Easy), Replacing Game, Find Multiset State, Equal Pairs (Easy)
Ball Game, Sequence Search
GCD and XOR
GCD to 1 (Easy), GCD to 1 (Hard), Replace With First, Prefix Suffix Min Max
Small, Smaller, Smallest, Unmedian, Not-too-far Replacement
Buying Game, Multiply 2 to Minimize
Super Hero, Random Nim, Chess Colouring, Elections
Halloween Array, Swap and Flip, Connecting Wells
Reverse and Alternate, A to B, Stable Array, Reverse and Alternate (Count), Bulk Discount
Distinct Power, Divisors Array (Hard Version), Divisors Array (Easy Version), Costly Permutations, Chefland Library
No Two Alike, Binary Removals
Constant Subsequence, Hamming equivalent, Make K Most Frequent
Transform String, AndOr
Cool Subsequences, Introverts, Time Penalty, Overwrite
Sum By OR, Flip or Reverse, Counting 01 and 10
Smoothly Increasing , Big Difference, Minimum Colours (Easy)
Distinct Arrays , Mod and Make Y
OR What
K Boxes, Yet Another Monsters Problem
Number Walks, Nutrition Cost, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Subsequence Sort, Light All, Parry It! (Easy)
Add 1 or 2, Add to get GCD, Permuted Greater than 2
Security Lines, No 3 Please!
Beauty in Everything, Sugar Limit, Append Average
Good Ranking (Pair), All Odd Prefix Sums, Split
Currency Exchange, Minimize Maximum Mex
Perfect Ranges, Fence Colouring, Grid MEX, Subtract or Divide
Minimum Set, Restrict Palindromes, Good Subsequence
Compare and Connect, Huge Grid (Easy Version), Mixing Liquids, Mark Points
Buying Flowers, If Only I Could Read, Min-Max Deque (Easy)
Delete Sorted Subsequence, Chocolate Eating, Make All, First Element Counting
Subarray Maximums, Buying Chairs, No Doubling, Wolf Down, Tournament Rigging (Minimum)
Mean Difference (Easy), 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
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