Login
Register
QOJ.ac
QOJ
QOJ
Contests
Category
Problems
Submissions
Hack!
Blogs
PKU v. THU (Preliminary Round 2)
Time Limit: 3 s
Memory Limit: 128 MB
Total points: 100
# 4104. 排列计数
Statistics
Statement
Submit
Custom Test
The problem was used in the following contest:
2016 山东省队第一轮选拔赛 (SDOI 2016 Round 1) Day 2
Submit
Run