Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x11399
B
standard input/output
1 s, 256 MB
Submit  x10469
C
standard input/output
1 s, 256 MB
Submit  x19321
D
standard input/output
2 s, 256 MB
Submit  x19300
E
standard input/output
2 s, 256 MB
Submit  x3156
F
standard input/output
2 s, 256 MB
Submit  x1323
G
standard input/output
4 s, 256 MB
Submit  x394
H
standard input/output
4 s, 512 MB
Submit  x1396
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.