Problem	timeexam
User	Syw
Submission Time	2025-11-12 11:08:12
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

timeexam.cpp: In function ‘int32_t main()’:
timeexam.cpp:12:2: error: ‘str’ was not declared in this scope; did you mean ‘std’?
12 | str out;
| ^~~
| std
timeexam.cpp:13:2: error: ‘out’ was not declared in this scope
13 | out += to_string(h / 10);
| ^~~