Problems
 
 
# Name    
A
standard input/output
1 s , 256 MB
Submit  x149
B
standard input/output
2 s , 256 MB
Submit  x109
C
standard input/output
1 s , 256 MB
Submit  x52
D
standard input/output
2 s , 256 MB
Submit  x23
E
standard input/output
1 s , 256 MB
Submit  x16
F
standard input/output
2 s , 256 MB
Submit  x3
G
standard input/output
2 s , 256 MB
Submit  x3
* This contest uses time limits scaling policy (depending on a programming language). The system automatically adjusts time limits by the following multipliers for some languages. Despite scaling (adjustment), the time limit cannot be more than 30 seconds. Read the details by the link.
Complete problemset
 
 
 
 
Questions about problems
 
 
  Question Answer
2025-12-30 20:55:26
Announcement
General announcement
*****
The contest duration has been increased by 15 minutes.
2025-12-30 19:48:50
Announcement
Problem E. Connectivity Issues
*****
At any moment there may be more than one bridge (path) connecting the same pair of cities. Each bridge is considered a distinct entity and is indexed separately in the input, deleting or collapsing one bridge does not affect other parallel bridges.
2025-12-30 19:03:52
Announcement
General announcement
*****
Reminder to Participants

Please ensure that you use Fast I/O methods in your solutions, as the problems involves large input and output sizes.

Best of luck.