题解 | #下厨房#
下厨房
http://www.nowcoder.com/practice/ca5c9ba9ebac4fd5ae9ba46114b0f476
菜狗决定改过自新重新做人
#include<stdio.h>
#include<string>
#include<unordered_map>
#include<iostream>
using namespace std;
int main()
{
unordered_map<string, int> mp;
string str;
while(cin >> str)
{
mp[str] ++;
}
int count = 0;
for(auto elem : mp)
{
count ++;
}
printf("%d\n", count);
return 0;
}