concord.txt

数据结构c++语言描述stl版 威廉兄弟的好书,值得看,这是配书代码

int m, n;
double a = 3, b = 2, hypotenuse

cin << m;
if (n <= 5)
	n = 2*m;
else
	n = m * m;

cout << n << endl;

hypotenuse = sqrt(a*a + b*b);
cout << hypotenuse << endl;