用了这个的：
```cpp
for(int i = 1; i <= n; i++)
{
cin >> place;
string tmp;
while(getchar() == ' ') //读取空格
{
cin >> tmp;
place += tmp;
}
mp[place] = true;
}
```
by _Glassy_Sky_ @ 2023-01-10 19:01:11
@[jxpxcsh](/user/408)
by _Glassy_Sky_ @ 2023-01-10 19:02:08
@[FZwangmuem](/user/677581) 这两个是相同的，并不是说加了空格就不同。
by 鱼跃于渊 @ 2023-01-10 19:09:48
@[TianShuiXingHe](/user/723378) 哦
by _Glassy_Sky_ @ 2023-01-10 19:20:29