x=x^y;
y=x^y;
x=y^x;
y=x^y;
x=y^x;
2005-11-06 23:37
2005-11-07 10:20
用+有时候要溢出,用异或好些。

2005-11-07 12:44
2005-11-07 15:17
2005-11-07 15:52
2005-11-07 20:16
2005-11-07 21:24
2005-11-08 12:40