問題詳情

一、C 語言中，傳遞參數的方式為「以值傳遞」（Pass by Value），試寫出下列程式之執行結果：（20 分）#includevoid exchange1 (int a, int b){int tmp;tmp = a;a = b;b = tmp;}void exchange2 (int *a, int *b){int tmp;tmp = *a;*a = *b;*b = tmp;}main (){int x, y;x = 1;y = 0;exchange1(x, y);printf(“x is %dn”, x);printf(“y is %dn”, y);exchange2(&x, &y);printf(“x is %dn”, x);printf(“y is %dn”, y);}

參考答案

答案：C
難度：適中0.554103
統計：A(195),B(453),C(1526),D(192),E(1) #
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