摘要:
小兔的棋盘 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 8690 Accepted Submission(s): 4548 Problem D 阅读全文
posted @ 2016-03-27 10:43
lucky_少哖
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摘要:
令h(0)=1,h(1)=1,catalan数满足递推式: h(n)= h(0)*h(n-1)+h(1)*h(n-2) + ... + h(n-1)h(0) (n>=2) 例如:h(2)=h(0)*h(1)+h(1)*h(0)=1*1+1*1=2 h(3)=h(0)*h(2)+h(1)*h(1)+h 阅读全文
posted @ 2016-03-27 10:33
lucky_少哖
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