求高手帮忙编写两个C++程序

#include
#include

using namespace std;

int findMinDigit(int number);
int countVowels(string s);

int main()
{
string s;
cin>>s;
int cnt=countVowels(s);
cout< return 0;
}

int findMinDigit(int number)
{
int min;
min=number%10;
number/=10;
for(;number;number/=10)
{
if(number%10 {
min=number%10;
}
}
return min;
}

int countVowels(string s)
{
int count=0;
string v("aeiouAEIOU");
for(string::size_type pos=0;pos!=string::npos;)
{
pos=s.find_first_of(v,pos);
if(pos!=string::npos)
{
++pos;
++count;
}
}
return count;
}