Problems
 
 
# Name    
A
standard input/output
1 s, 2048 MB
Submit  x14
B
standard input/output
1 s, 2048 MB
Submit  x12
C
standard input/output
2 s, 2048 MB
Submit  x6
D
standard input/output
2 s, 2048 MB
Submit  x10
E
standard input/output
1 s, 2048 MB
Submit  x7
F
standard input/output
1 s, 2048 MB
Submit  x5
G
standard input/output
1 s, 2048 MB
Submit  x5
H
standard input/output
5.5 s, 2048 MB
Submit  x3
I
standard input/output
2 s, 2048 MB
Submit  x2
J
standard input/output
1 s, 2048 MB
Submit  x3
K
standard input/output
4 s, 2048 MB
Submit  x2
L
standard input/output
3 s, 2048 MB
Submit  x1
M
standard input/output
3 s, 2048 MB
Submit  x1
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-12-22 10:22:32
Problem C.
*****
Announcement
原点必须是矩形的一个顶点。