49 以下有一以C 語言撰寫之遞迴函式(recursive function)。假設N≧0,而此函式是用來計算0 至N
之間的所有整數之和:
則空格中應填入以下何者?
(A)while(N<>0)return N+Sum(N+1)
(B)return(N-1)+Sum(N-1)
(C)return N+Sum(N-1)
(D)return(N-1)+Sum(N)

則空格中應填入以下何者?
(A)while(N<>0)return N+Sum(N+1)
(B)return(N-1)+Sum(N-1)
(C)return N+Sum(N-1)
(D)return(N-1)+Sum(N)
(A)while(N<>0)return N+Sum(N+1)
(B)return(N-1)+Sum(N-1)
(C)return N+Sum(N-1)
(D)return(N-1)+Sum(N)
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統計: A(2), B(4), C(45), D(3), E(0) #924117
統計: A(2), B(4), C(45), D(3), E(0) #924117