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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Ada and Dishes
Black cells in a chessboard, Large Square, Bus full of passengers, Fibonacci concatenation
The Grid Fill Problem, Obtain the Sum
Odd GCD, Diagonal movement, FIXFIX
Akash and Grid, ChefWM, And Or Union
An Interesting Sequence, Even Subset Xor, Equal LIS
Marbles, The Squid Game, Red Light, Green Light
Sum this up, Again XOR problem, Maximum Factors Problem, Count Number of Peaks
Sarthak and his Magic Grid, Vedant and his Hidden Array, Aujasvit and the Circle Game
Average Gift, Circular Track
Minimum or Maximum, Divisible by 3
Divisible by A_i, Gcd of Subarrays, Maximise XOR
Distinct Values, Lcm hates Gcd, Minimal Inversions, Odd Even Binary String
Asymmetric Swaps, Symmetric Swaps, Minimize the Maximum, Array Halves
XOR & Sum, Odd GCD Permutation, Chef Odd, Blobby Volley Scores, Maximum Sum Permutation
Rectangular Tiling, Beautification of array, Distance Coloring, Dotify Playlist
Break Free, NASA, Bloodline, Problem
CodeChef Streak, Possible or Not, Search for 404, The Vowel Matrix
Boxes, Transfusion Chain
Swap the numbers, Zero Array, Mex Array, Absolute Differences
No Palindrome, Triplets Min
3-Blast Palindrome, Ball Distribution
Exclusion-Inclusion
Stamps 100
Chandelier, Unique xor, Divisible By 8, Dice Number
Lexicographically Largest , Maximise Sum
Playing with OR, Save People, Guess the winner!
LCM Mania, Prefixing, Beautiful Strings, Reach Codetown
Count Distinct Arrays, Minimise Maximum Subarray Sum, Make All Equal, Score Sum, Maximum Score
Greedy LIS Algorithm, Binary Grid Forces, Make All Zero
Chef Product, ORST
Equality Etiquette, Spread Spree, Not Prime Permutation
Join States, Is it uniquely decodable, Xorry 2, Xorry 1
K Odd Sum, Unalike Gcd & Lcm
Frequal, Split And Maximize, Caesar Cipher Lite
ABC Conjecture, Anti-Triangle
Palindromic Substrings
Game On Rectangle, Lexicographically Maximal Prefix AND, Sum of Modes
Sort Perm, Sum of N, Destroying Bridges Part 2
Amphibian Escape, Perfect Prefixes
Sum of Xors, Array Removal, Number Hunt
Find P, Minimise Inversions, Largest K
Counting is Fun 101, Truth Teller And Liars 101, Independence Day 101, Non-Primes 101, Gold Coins 101
Double Trouble, The Undisappearance
Equal Pairs (Hard), Replacing Game
Another Game, Colorful Tree (Easy Version), Xometry (Easy Version)
Tree Cut Xor, Count Winning Subarrays, GCD and XOR, Triangle Count (Easy)
Balance Difficulties, Interval Cliques, Partition Score
Red-Blue Sort, One To Three, Quick Exit
Empty the String, MEX of XOR, Permutation Mod K
Tree Sum is Fun !, Nice Array, Sort Them, Lexio Swap
A to B, Stable Array
Temperature Balance, Lottery Tickets, Grid Construction (Even), Grid Construction (Odd)
Binary Removals
Constant Subsequence, Hamming equivalent
Advitiya Security Vault, White Wall, Volcanic Eruption
Transform String, AndOr, Tactical Removal
Cool Subsequences, Introverts, Time Penalty, Overwrite
Alternate It!
Same And, Friendly Binary Strings, Costly Summit
Blocks on a Tree, Flip or Reverse, Counting 01 and 10
Smoothly Increasing , Big Difference
The Best Matrix, Tree Colouring (Hard), Flip Prefix
MasterChef, Palindromic Score
Complete MST, S to T
Distinct Arrays
OR What, Distinct Representations
Number Walks, Blocks in a String, Create Binary String, Avoid Primes, Sortable Subarrays (Easy)
Parry It! (Hard), Subsequence Sort, Min-Max Deletion, Parry It! (Easy)
Add 1 or 2, Grid Path (Easy), Permuted Greater than 2
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