Problems
 
 
# Name    
A
standard input/output
1 s, 1024 MB
Submit  x115
B
standard input/output
1 s, 1024 MB
Submit  x108
C
standard input/output
8 s, 1024 MB
Submit  x40
D
standard input/output
10 s, 1024 MB
Submit  x64
E
standard input/output
2 s, 1024 MB
Submit  x2
F
standard input/output
1 s, 1024 MB
Submit  x29
G
standard input/output
2 s, 1024 MB
Submit  x118
H
standard input/output
2 s, 1024 MB
Submit  x89
I
standard input/output
1 s, 1024 MB
Submit  x125
J
standard input/output
1 s, 1024 MB
Submit  x149
K
standard input/output
1 s, 1024 MB
Submit  x149
L
standard input/output
15 s, 1024 MB
Submit  x6
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-11-02 23:56:00
Announcement
Problem F. Faulty Connection
*****
For compatibility with the Codeforces platform, your solution runs in interactive mode against a jury program. A poorly implemented interaction may result in Idleness limit exceeded or Runtime Error instead of Wrong Answer.

To handle input and output correctly, do not attempt to read extra data from the input. After finishing your output, don't forget to print a newline character and flush your output.
2025-11-02 23:55:09
Announcement
General announcement
*****
The sample testcases and testing tool are provided in "Samples (ZIP)" at the contest materials.