Problems
Solve coding problems and browse the archive.
cho.sh
Notes
Cho Mini-Apps
K
Sign in
1,471 problems
Title
Minimum Time to Complete Tasks
Factorial Decomposition
Atomic Energy
Task Order
Baby Goat Lineup
Good Password
Multiplication Game
Wire Connection
IP Network Address
Ferry
Page 11 of 15
Card Game
Elevator
Bicycle Race
Visible Mountain Range
Necklace Sequence
Go Territory
Omok
Water Pipe Construction
Minimum Power Operations
Nth Largest Number
Two-Dimensional Vectors
Cheap but Similar
Infinite Binary Tree
Palindrome Partition
Overlapping Line Segments
Choosing Weight Masses
Digital Clock
Rugby Club
Degree Sequence
Counting Base Representations
Sum of Fibonacci Numbers
Ciphertext
Number of Trees
Negative Binary
Harmonic Average
Coins
Number of Multisets
Removing Parentheses
Rainfall
Tickets
Downward Game
Pebbles
Traveling Salesperson Tour
Game of Death
Surveillance Robot
Image Energy
Collecting Gems
Restore an Orthogonal Polygon
Choosing a Subarray
Tailed Sungwon Monkeys
Confining the Black Goat
Interval Containing the Most Others
Statistics
Lecture Tour
Router Installation
Cactus Graph
Shortest Uncommon Subsequence
Matrix and Fibonacci Sum
Zoo Enclosure Visibility
Gallery
Stacking Dice
Circular Dance
Two Towers
Programming Language L
Playing in Threes
Rectangles for Four Friends
Six People in a Circle
Building a Human Tower
Block Stacking
Cloth Moth Shortest Path
Earthquake Recovery
Transaction Limit Checking
Final Team Match
Final Drive Route
Water Level in Connected Tanks
Robot Commands
Bug on a Tree
Tiling a 3-by-N Wall
Warehouse Relocation
Compressing a String
Ants
Closest Reduced Fraction
Bulbs and Switches
Day of the Year
Minesweeper
Post Office
Ordered Array
Sum of Subarrays from Two Arrays
Jumping Fences
Number Game
Building a Bridge
Arranging Seats
Super 12
Cipher Decryption
Strongly Connected Components
Mirror Installation
Planning a Trip
Prime Word
Writing Consecutive Numbers 3
Shortest Path on a Triangular Grid
Previous
Next
cho.sh