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- 找出1到N分別轉成二進制會有多少個1,先定義A(k)是1~2^k轉成2進制的1總和個數 (1<= <=2^k)-To identify 1 to N respectively, how many will be converted into a binary one, first the definition of A (k) is the 1 ~ 2 ^ k converted to a sum of two binary number (1 < = < = 2 ^ k)