Problems
 
 
# Name    
A
standard input/output
1 s, 1024 MB
Submit  x102
B
standard input/output
1 s, 1024 MB
Submit  x92
C
standard input/output
1 s, 1024 MB
Submit  x82
D
standard input/output
1 s, 1024 MB
Submit  x72
E
standard input/output
1 s, 1024 MB
Submit  x18
F
standard input/output
2 s, 1024 MB
Submit  x5
G
standard input/output
2 s, 1024 MB
Submit  x1
H
standard input/output
3 s, 1024 MB
Submit  x1
I
standard input/output
9 s, 1024 MB
Submit  x4
J
standard input/output
1 s, 1024 MB
Submit  x20
K
standard input/output
1 s, 1024 MB
Submit  x2
L
standard input/output
2 s, 1024 MB
Submit  x4
M
standard input/output
1 s, 1024 MB
Submit  x39
N
standard input/output
2 s, 1024 MB
Submit  x8
O
standard input/output
3 s, 1024 MB
Submit  x1
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2026-01-22 21:57:14
Problem I. Chromatic Complex
*****
Announcement
Time Limit Modified. 6s -> 9s.
2025-12-08 11:04:56
Problem A. Golden Alleyway
*****
Announcement
Contest files(including gen, val, checker and jury solutions) can be found on https://github.com/KethGeorge/ecustpc_2025_datas