Re: [理工] 99中興資管計概 程式題
因為call-by-reference是把address傳進去
你題目有一句打錯了
是 x = b + x,不是 x = x + x
計算過程請看我註解的地方
※ 引述《ByTutu (瓜拉)》之銘言:
procedure mystery
{
int a,b;
procedure enigma(x,y)
{
y = y+b; // y = b = 7+7 = 14
x = b+x; // x = a = 14+2 = 16
b = x+b; // b = y = 16+14 = 30
a = y; // a = y = b = 30
}
a=2;b=7;
enigma(a,b);
write(a);write(b);
}
不太懂為什麼採用call by reference的時候
a=30 b=30?
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