Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x261
B
standard input/output
1 s, 256 MB
Submit  x134
C
standard input/output
1 s, 256 MB
Submit  x116
D
standard input/output
2 s, 256 MB
Submit  x74
E
standard input/output
1 s, 256 MB
Submit  x89
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-06-25 11:18:03
Problem D. Range Xor Subsequence Query
*****
Announcement
The intended time complexity is $O(n(log_2a_i)^2 + qlog_2a_i)$. DM me if you have a better solution.