`getline(cin,a);`
by mango09 @ 2021-09-21 09:09:30
@[洋本羊](/user/292069)
```cpp
#include <bits/stdc++.h>
using namespace std;
int main()
{
string a;
getline(cin, a);
int len = a.length();
for(int i = 0; i < len; i++)
{
if(int(a[i]) == 92 && a[i + 1] == 'r' && int(a[i + 2]) == 92 && a[i + 3] == 'n')
{
cout << "windows";
break;
}
else if(int(a[i]) == 92 && a[i + 1] == 'r')
{
cout << "mac";
break;
}
else if(int(a[i]) == 92 && a[i + 1] == 'n')
{
cout << "linux";
break;
}
}
return 0;
}
```
by Miracle_ZX @ 2021-09-21 09:09:52
```
while((ch=getchar())!=EOF)
```
by BqtMtsZDnlpsT @ 2021-09-21 09:16:50
```cpp
#include <bits/stdc++.h>
#define R register
#define inl inline
#define fastios ios::sync_with_stdio(false),cin.tie(0),cout.tie(0);
#define Debug(file) freopen(file".in","r",stdin);freopen(file".out","w",stdout);
using namespace std;
const char *s[3] = {"linux", "windows", "mac"};
int type;
int main() {
fastios;
string a;
getline(cin, a);
if (a.find("\\r\\n") != -1)
type = 1;
else if (a.find("\\n") != -1)
type = 0;
else if (a.find("\\r") != -1)
type = 2;
cout << s[type] << endl;
return 0;
}
```
by dingshengyang @ 2021-09-21 09:22:55
```cpp
string s;
while(cin>>s)
{
}
```
by POYE @ 2021-09-21 09:24:45
`getline(cin,your_str_name)`
by int32 @ 2021-09-21 09:26:03
@[dingshengyang](/user/302394) 乱用梗小鬼
by haraki @ 2021-09-21 10:42:37
写一个死循环，把代码套进去，然后输出后写return 0；
by Stonkin @ 2021-10-04 15:23:04