1.void swap(int &x, int &y){
int temp=x;
x=y;
y=temp;
}
2.void swap(int &x, int &y){
x=x+y;
y=x-y;
x=x-y;
}
3.void swap(int &x, int &y){
x=x-y;
y=x+y;
x=y-x;
}
4. void swap(int &x, int &y){x=x^y;
y=x^y;
x=x^y;
}
本文共 212 字，大约阅读时间需要 1 分钟。
1.void swap(int &x, int &y){
int temp=x;
x=y;
y=temp;
}
2.void swap(int &x, int &y){
x=x+y;
y=x-y;
x=x-y;
}
3.void swap(int &x, int &y){
x=x-y;
y=x+y;
x=y-x;
}
4. void swap(int &x, int &y){x=x^y;
y=x^y;
x=x^y;
}
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