Problems
 
 
# Name    
A
standard input/output
1 s, 256 MB
Submit  x99
B
standard input/output
1 s, 256 MB
Submit  x79
C
standard input/output
1 s, 256 MB
Submit  x54
D
standard input/output
4 s, 256 MB
Submit  x22
E
standard input/output
2 s, 256 MB
Submit  x9
F
standard input/output
3 s, 256 MB
Submit  x1
G
standard input/output
1 s, 256 MB
Submit  
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Questions about problems
 
 
  Question Answer
2023-10-07 02:50:26
Problem E. Riddle Me This (Easy Version)
*****
Can you please add the explanatation for the given test case? Many people can't understand the problem statement.
In the given test case, it is optimal to entangle cipher 1 with cipher 2, and cipher 3 with cipher 4.

With 1 rotation, cipher 3 and 4 become solved together. But even with any number of rotations, only one of cipher 1 and 2 can be solved. Thus, the answer is 3.