Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x11327
B
standard input/output
1 s, 256 MB
Submit  x10368
C
standard input/output
1 s, 256 MB
Submit  x19134
D
standard input/output
2 s, 256 MB
Submit  x17879
E
standard input/output
2 s, 256 MB
Submit  x3063
F
standard input/output
2 s, 256 MB
Submit  x1273
G
standard input/output
4 s, 256 MB
Submit  x372
H
standard input/output
4 s, 512 MB
Submit  x1211
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2018-09-02 18:08:54
Announcement
Problem D. Valid BFS?
*****
The BFS algorithm in this problem always starts with 1, however, it is not guaranteed that a[1] = 1.