1.下列何者無法達成 C/C++語言裡的 swap(int a, int b)效果?(A) a ^= b, b ^= a, a ^= b;(B) a = a + b, b = a – b, a = a
問題詳情
1.下列何者無法達成 C/C++語言裡的 swap(int a, int b)效果? (A) a ^= b, b ^= a, a ^= b; (B) a = a + b, b = a – b, a = a – b; (C) c = a, a = b, b = c; (D) a = a * b, b = a % b, a = a % b;