C++ p63作业 2

p63 2-32

include

using namespace std;
int main()
{
int i;
cin>>i;
cout<<"You should guess the number:"<<endl;
int m;
while(1)
{
cin>>m;
if(m!=i)
{
if(m<i)
cout<<"小了"<<endl;
else
cout<<"大了"<<endl;
}
else cout<<"对了"<<endl;
break;
}
return 0;
}

p63 2-34

include

using namespace std;
int fun(int m,int n)
{
if(n>m)
return 0;
else if(mn||n0)
return 1;
else return fun(m-1,n)+fun(m-1,n-1);
}
int main()
{
int m=5,n=3;
cout<<"m=5"<<endl<<"n=3"<<endl;
cout<<"取法为"<<fun(5,3)<<"种"<<endl;
return 0;
}