742 . Phone Cell
Description
Input Format
Output Format
Sample Input 1
8 2 1 2 5 3 5 4 1 4 8 2 4 5 7 5 3 3 2 100 0 100 0 -100 0 0
Sample Output 1
It is possible to cover 4 points. It is possible to cover 2 points.
Hints
Problem Source
Migrated from old NTUJ.
cepc 2007
Subtasks
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