Eroare de compilare: main.cpp: In function 'int main()': main.cpp:18:5: error: 'stack' was not declared in this scope stack <char> paranteze; ^~~~~ main.cpp:18:12: error: expected primary-expression before 'char' stack <char> paranteze; ^~~~ main.cpp:25:35: error: 'strlen' was not declared in this scope for (int i = 0; i < strlen(sir); i++) ^ main.cpp:29:13: error: 'paranteze' was not declared in this scope paranteze.push(sir[i]); ^~~~~~~~~ main.cpp:33:19: error: 'paranteze' was not declared in this scope if ( !paranteze.empty() && (paranteze.top() == '(' && sir[i] ==')' || paranteze.top() == '[' && sir[i] ==']') || paranteze.top() == '{' && sir[i] =='}') ^~~~~~~~~ Non zero exit status: 1