题解 | #下厨房#
下厨房
http://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
#include <iostream>
#include <set>
using namespace std;
int main()
{
set<string> st;
string tem;
while (cin>>tem)
{
st.insert(tem);
}
cout<<st.size();
}
