不允许创建临时变量，交换两个数的内容
#include <stdio.h>
int main(int argc, char *argv[])
{
int a = 10, b = 100;
a = a ^ b;
b = b ^ a;
a = a ^ b;
printf("a = %d b = %d\n", a, b);
return 0;
}
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不允许创建临时变量，交换两个数的内容
#include <stdio.h>
int main(int argc, char *argv[])
{
int a = 10, b = 100;
a = a ^ b;
b = b ^ a;
a = a ^ b;
printf("a = %d b = %d\n", a, b);
return 0;
}
转载于:https://blog.51cto.com/10740329/1697627