【例69.1】过滤多余的空格

1
周轩平 LV 5 @ 2025-7-15 16:19:54

#include <bits/stdc++.h> using namespace std; string s;

int main() { cin>>s; cout<<s; while(cin>>s){ cout<<" "<<s; } return 0; }
0
王梓汀 LV 5 @ 2025-7-15 16:22:23
#include <bits/stdc++.h> using namespace std; string s;

int main() { cin >> s; cout << s; while (cin >> s) { cout << " " << s; }
```
return 0;
```
}