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복권 당첨 확률
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Time Limit: 2000 ms
Memory Limit: 128 MB
Bronze III
2
Author: Super Admin
확률
조합론
수학
입력 1
5 2 1
출력 1
0.7
입력 2
6 3 2
출력 2
0.5
절댓값 수열
Silver III
4