<a href="https://lightoj.com/problem/closest-distance" target="_blank"><i class="fa fa-external-link" aria-hidden="true"> Link -> Closest Distance</i></a>
Input Format
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Output Format
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Constraints
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Example
Input
3 0 0 5 0 5 5 5 0 0 0 5 5 10 10 6 6 0 0 5 0 10 1 1 1
Output
Case 1: 0 Case 2: 1.4142135624 Case 3: 1