摘要：
R(N)Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 1458 Accepted Submission(s): 762 Problem DescriptionWe know that some positive integer x can be expressed as x=A^2+B^2(A,B are integers). Take x=10 for example, 10=(-3)^2+1^2. We define R(N) (N 阅读全文
posted @ 2012-12-01 14:16
heat nan
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