1759 . Pair of Touching Circles
Description
The PDF file of all problems can be downloaded HERE
Input Format
Output Format
Sample Input 1
5 4 2 4 3 4 4 4 6 10 10
Sample Output 1
Case 1: 1 Case 2: 2 Case 3: 6 Case 4: 16 Case 5: 496
Hints
Illustration of case 3:
Problem Source
Migrated from old NTUJ.
Regional Dhaka 2011
Subtasks
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