close


 
 
 
 
Problems
Image
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit Image x20814
B
standard input/output
1 s, 256 MB
Submit Image x20717
C
standard input/output
2 s, 256 MB
Submit Image x14262
D1
standard input/output
3 s, 512 MB
Submit Image x6556
D2
standard input/output
3 s, 512 MB
Submit Image x2816
E
standard input/output
2 s, 512 MB
Submit Image x1942
F
standard input/output
4 s, 512 MB
Submit Image x429
Complete problemset
 
 
 
 
Questions about problems
Image
 
 
  Question Answer
2025-09-17 18:13:35
Announcement
Problem E. Make Good
*****
Problem E: note that the operations can be applied an arbitrary number of times and in arbitrary order.
2025-09-17 18:07:17
Announcement
Problem C. Max Tree
*****
The notes for the second example test case have been corrected. Please refresh the statements.