摘要：
SumTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 757Accepted Submission(s): 363Problem DescriptionSample Input2Sample Output2Hint1. For N = 2, S(1) = S(2) = 1. 2. The input file consists of multiple test cases. #include#include#includeusing nam 阅读全文
