Problems
Queue
Competitions
Ranking
Articles
Signup
Signin
Users
liyanhong
Profile
Punch card
Problems
Submissions
Li YanHong
Last visit 1 hour ago
Ukraine
Joined November, 2021
Rank
101
Solved problems
1330
Submissions
45202
Accepted submits
23173
Recently submitted problems
22
"Mirror prime" numbers
4079 / 6531
62
The Factorial
2469 / 5011
137
GCD
7994 / 9048
571
The greatest common divisor
3022 / 3346
684
Sum in a matrix
645 / 822
903
First or last?
21374 / 23544
959
Sum of digits
10957 / 11262
1121
A^B mod C
623 / 1229
1623
Even and odd numbers
10473 / 12250
1647
Reset bits
2204 / 2458
2814
Fast Exponentiation
1198 / 1280
4439
Exponentiation
2538 / 3031
4850
Magic machine
1001 / 1147
4856
The Shortest Path
1940 / 2203
4973
Mutation
312 / 428
5198
Modular Exponentiation
2166 / 2692
8569
String length
5353 / 5605
8762
Sum (functions)
896 / 1145
8877
Perfect square
6128 / 6838