Problems

Problem search

Point range
Go Random

Hot problems

Problem Category Points AC % Users
Find Contact Info practice 50p 43.2% 27
Find Max OOP 30p 86.1% 89
Find the Positions of Maximum and Minimum Numbers practice 45p 21.3% 31
score finder practice 40p 36.2% 53
Find Two Numbers with Target Sum practice 45p 29.3% 36
first and last name practice 10p 58.4% 72
four-digits comparison practice 20p 46.1% 196
Friend Info Query practice 50p 26.0% 29
Fruit Inventory Analysis challenge 10p 53.5% 41
Flip True False practice 10p 66.1% 105
fun math practice 35p 63.2% 189
greatest common divisor challenge 20p 49.7% 117
Student Grade Calculator practice 10p 65.0% 22
Grade Report practice 10p 60.4% 64
Greet User Simple practice 10p 65.9% 153
Halve the Number practice 45p 23.4% 54
Hamming Distance 114-1計算機程式設計A組 10 62.1% 50
Search Classroom practice 40p 48.1% 54
Hello World practice 2p 36.6% 141
highest phone bill practice 10p 81.0% 81
Horizontal Flip of 2D Array practice 45p 71.4% 28
how are you? midterm 1110 10p 47.2% 128
how many odd numbers? practice 20p 47.2% 89
how many times? practice 35p 10.6% 32
how many times swap? fortest 10p 38.0% 59
Function Implementation practice 45p 45.0% 45
InchConvert 113-1 程設A組 10 0.0% 0
longest increasing sequence midterm 1110 10p 24.7% 114
Increasing Triplet Subsequence final 10p 21.9% 45
Increment Array Elements practice 45p 57.9% 37
Input Range Even Numbers practice 45p 48.6% 47
insertion sort 1 practice 40p 86.7% 9
insertion sort 2 practice 40p 32.4% 10
Integer Calculator 114-1計算機程式設計A組 10 0.0% 0
list handle OOP 40p 51.2% 59
how much can I get? fortest 50p 35.0% 125
Is Date Correct? fortest 45p 36.3% 78
is it reverse? practice 50p 68.9% 184
Is Leap Year or not? practice 20p 32.3% 159
is it palindrome? final 10p 58.0% 101
is palindrome number? practice 40p 35.6% 160
Integer To Even Odd Strings practice 10p 64.7% 73
Keyboard Row OOP 40p 52.0% 21
largest in diagonal line final 10p 66.0% 231
Leader and Follower practice 10p 64.1% 83
Hello DMOJ 113-1 程設A組 10 21.8% 83
library management system OOP 40p 29.4% 37
Life Path Number challenge 45p 33.8% 22
List Alternating Sum practice 45p 60.8% 40
Special Positions in a Binary Matrix final 10p 36.2% 93