Problem	goodbye
User	Hongrui
Submission Time	2026-11-12 17:47:11
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

goodbye.cpp:7:1: error: ‘str’ does not name a type; did you mean ‘std’?
7 | str S;
| ^~~
| std
goodbye.cpp: In function ‘int main()’:
goodbye.cpp:10:9: error: ‘S’ was not declared in this scope
10 | cin >> S
| ^