Problems

Problem search

Point range
Go Random
Problem Category Points AC % Users
Balanced Parentheses (Recursive) OOP 50 60.0% 49
Binary Search (Function) OOP 50 57.0% 58
Subsequence (Recrusive) OOP 50 61.5% 50
Climb Stairs (Recrusive) OOP 50 77.8% 50
Student and Leader OOP 20 71.6% 50
RPG Battle Arena OOP 50 65.3% 41
Notification System OOP 50 65.1% 46
Smart Vending Machine OOP 50 42.6% 41
Prime number-Smple practice 100p 24.0% 40
Light Distance Calculator 114-1計算機程式設計B組 10p 58.1% 36
Search Indexes in Array 114-1計算機程式設計B組 20p 40.4% 38
Swap Maximum and Minimum Values 114-1計算機程式設計B組 10p 61.1% 29
Isosceles triangle practice 50p 52.4% 46
First Non-Adjacent Pair Sum 114-1計算機程式設計B組 10 33.5% 46
Find the First Difference in String Arrays 114-1計算機程式設計B組 10 48.5% 45
Array Element-wise Difference Calculation 114-1計算機程式設計B組 10 76.2% 51
Largest Number with Frequency K 114-1計算機程式設計B組 10 43.4% 45
Reverse Unique Elements 114-1計算機程式設計B組 10 69.0% 41
mutual number & max number practice 100p 42.5% 92
Reversing a 1D Array of Names Programming Contest 10p 41.8% 101
Counting Pair Matches in a 1D Array Programming Contest 10p 52.5% 69
Occurrences of Numbers in an Array Programming Contest 10p 46.5% 61
Diagonal Elements: Bottom-to-Top of a 2D Square Array Programming Contest 10p 45.8% 73
Find Rotation Steps to Sort an Array in Ascending Order Programming Contest 10p 27.5% 28
Path Crossing LeetCode 10 45.8% 36
Minimum Changes To Make Alternating Binary String LeetCode 10 37.8% 30
1d to 2d array practice 10p 56.4% 97
Simple Calculator practice 50p 32.8% 76
Leap Year practice 50p 19.8% 31
Draw V practice 40p 41.1% 27
Reverse Pyramid practice 60p 37.6% 34
RotationMatrix_left practice 50p 62.7% 31
RotationMatrix_right practice 50p 44.9% 35
Fibonacci_Add practice 45p 33.3% 31
Roman conversion practice 45p 28.0% 14
Count Words length practice 10p 28.9% 20
Method and return practice 50p 58.7% 37
DigitSum and Multiple Of Seven OOP 50p 56.4% 70
Average & Max number Method practice 45p 60.9% 36
Simple-Class & Object practice 10p 77.6% 34
Count Method OOP 45p 79.7% 87
Class & Constructor OOP 50p 57.2% 78
Student Class practice OOP 50p 54.1% 29
Find Price practice 45p 38.8% 20
Student data practice 45p 36.7% 21
Feed inventory OOP 10p 44.7% 13
Book and Author HashMap 10p 51.0% 22
Book List OOP 45p 43.3% 22
Ranking practice 45p 48.7% 16
Registration Event practice 50p 25.4% 16