方法1:
a = a + b;
b = a - b;
a = a - b;
方法2:
a ^= b;
b ^= a;
a ^= b;
方法3:
a = a * b;
b = a / b;
a = a / b;
2024-01-20 17:45:04
方法1:
a = a + b;
b = a - b;
a = a - b;
方法2:
a ^= b;
b ^= a;
a ^= b;
方法3:
a = a * b;
b = a / b;
a = a / b;