template < class T >
void order(____________)
{
__________________;
if(x >y) {a =x;x =y;y =a;}
if(y >z) {a =y;y =z;z =a;}
if(x >y) {a =x;x =y;y =a;}
}
第1空：T& X,T& Y,T& Z
第2空：T A
template < class T >
void order(____________)
{
__________________;
if(x >y) {a =x;x =y;y =a;}
if(y >z) {a =y;y =z;z =a;}
if(x >y) {a =x;x =y;y =a;}
}
template < class T >
void order(____________)
{
__________________;
if(x >y) {a =x;x =y;y =a;}
if(y >z) {a =y;y =z;z =a;}
if(x >y) {a =x;x =y;y =a;}
}
第1空：T& X,T& Y,T& Z
第2空：T A
