Problems
Solve coding problems and browse the archive.
cho.sh
Notes
Cho Mini-Apps
K
Sign in
1,382 problems
Title
Stock King Dongho
Queen and Two Kings
Dice Sum
Christmas Tree
Student Numbers
Castle Guards
Print the Answer
Party
Pie Chart
Distance Between Tree Nodes
Page 3 of 14
Head Taps
Picnic
Palindrome Word Sequences
Switches On and Off
Farm Management
Online Egg Sales
Sign of Integer Sums
Finding a Sequence from a Sign Matrix
Palindrome Smart
Colored Balls
Splitting a Word
Binary Addition
Good Numbers
Make a Palindrome
War - Declaration of War
Dictionary
Rich Person's Coin Exchange
Problem Assignment
Palindrome Numbers
DFS and BFS
Wall-Breaking Maze
Alphabet Diamond
Time Management
Counting Vowels
Restricted Permutations
Wake Up!
Mobile Phone Bill
Temporary Class President
Symmetric Difference
War - Land Grab
Enormous Wealth 2
Special Nodes
Shot
Coffee Shop 1
Coffee Shop Game 2
Platform Support Pillars
Installing Power Plant Cables
Theater
Custom Dice
Tree Planting
Gem Shop Lighting
P-Sequences
Shortcut Key Assignment
House Number Sign
Coin Flipping
Partial Rectangles
Can You Do Arithmetic?
War - Local Battles
Sum of Tree Path Weights
Barracks
Lee-myeon and Im-hyeon
Easy Sequence Sum
Biomagnification
String Decoration
Floor Plan
Choosing a Team Name
TV Size
Finding Notebook Owners
War - Escape Part 2
K-th Number
Bead Necklace
Bestseller
War - Battle
Regions
Advertisement
Run, Hongjun
Magic Square
D-Day
Zoo
Running Course
Assigning Tasks 1
Decimal Digit
Composite Prime
Cave Exploration
RPG
Group Word Checker
Group Word Reconstruction
Poker
Jimin and Hansu's Orchard Split
Soldiers
X and K
Repeating a Number
Picking Trash in the Same Increasing Order
Efficient Hacking
Hopping Frog
Fixed-Length Reversal Sort
High-Rise Buildings
Increasing Sequence
Compare Two Numbers
Knight Tour
Previous
Next
cho.sh