trace

int a = 5.5, b = 7.5, c = 3.5, t;

if ( b < a )

{ t = a;

a = b;

b = t; }

if ( c < b )

{ t = b;

b = c;

c = t; }

if ( b < a )

{ t = a;

a = b;

b = t; }

cout << a = << a << endl;

cout << b = << b << endl;

cout << c = << c << endl;