Problem	abbb
User	estkn
Submission Time	2026-07-17 15:45:26
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

abbb.cpp: In function ‘int main()’:
abbb.cpp:10:13: error: expected ‘;’ before ‘string’
10 | cin >> s
| ^
| ;
11 | string stack = "";
| ~~~~~~
abbb.cpp:14:31: error: missing template arguments before ‘.’ token
14 | if (c == 'B' && !stack.empty()) {
| ^
abbb.cpp:15:18: error: expected unqualified-id before ‘.’ token
15 | stack.pop_back();
| ^
abbb.cpp:17:17: error: expected unqualified-id before ‘.’ token
17 | stack.push_back(c);
| ^
abbb.cpp:21:18: error: missing template arguments before ‘.’ token
21 | cout << stack.length() << "\n";
| ^