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[计算题][第二题]交换两个变量不太对 #33

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sunyazhou13 opened this issue Dec 22, 2021 · 1 comment

sunyazhou13 commented Dec 22, 2021

int a = 5;
int b = 10;

正解应该是

a  ^= b;
b ^= a;
a ^=b;

考察的是按位异或操作的原理

Author

sunyazhou13 commented Dec 22, 2021

这个题的出处是大学时候 C程序设计(第四版) 谭浩强课后习题作业

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