Q11

MCQ1 mark, −0.33

Suppose $n$ and $p$ are unsigned int variables in a C program. We wish to set $p$ to $^nC_3$ . If $n$ is large, which one of the following statements is most likely to set $p$ correctly?

(A)

$p = n * (n-1) * (n-2) / 6;$

(B)

$p = n * (n-1) / 2 * (n-2) / 3;$

(C)

$p = n * (n-1) / 3 * (n-2) / 2;$

(D)

$p = n * (n-1) * (n-2) / 6.0;$

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