Eroare de compilare: main.cpp: In function 'void build(char*, bool*)': main.cpp:14:21: warning: array subscript has type 'char' [-Wchar-subscripts] y [x [i]] = true; ^ main.cpp: At global scope: main.cpp:27:1: error: 'stack' does not name a type stack <int> st; ^~~~~ main.cpp:28:1: error: 'vector' does not name a type vector <int> eval; ^~~~~~ main.cpp: In function 'bool compute(char*)': main.cpp:32:13: error: 'eval' was not declared in this scope eval . pb (var [x [i]]); ^~~~ main.cpp:32:34: warning: array subscript has type 'char' [-Wchar-subscripts] eval . pb (var [x [i]]); ^ main.cpp:38:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int main()': main.cpp:55:38: warning: array subscript has type 'char' [-Wchar-subscripts] var [nvar [j]] = true; ^ Non zero exit status: 1