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Problem
Contest
Category
Submissions
English
Problem
Contest
Category
Submissions
English
#180
Submit Code
Submissions
하이퍼스피어
Time Limit: 0.5 Sec
Memory Limit: 512 MiB
한국어
Example Input 1
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1 2
Example Output 1
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3.14159265358979323851
Example Input 2
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3 3
Example Output 2
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113.09733552923255658212
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