Compilare: main.cpp: In function 'long long int getNextValue(char)': main.cpp:28:24: warning: array subscript has type 'char' [-Wchar-subscripts] if ('0' <= e[litera][j] && e[litera][j] <= '9') ^ main.cpp:28:40: warning: array subscript has type 'char' [-Wchar-subscripts] if ('0' <= e[litera][j] && e[litera][j] <= '9') ^ main.cpp:29:24: warning: array subscript has type 'char' [-Wchar-subscripts] return e[litera][j] - '0'; ^ main.cpp:30:17: warning: array subscript has type 'char' [-Wchar-subscripts] if (e[litera][j] == '(') { ^ main.cpp:34:29: warning: array subscript has type 'char' [-Wchar-subscripts] return st.top()[e[litera][j] - 'a']; ^ main.cpp: In function 'long long int rezFunctie()': main.cpp:40:21: warning: array subscript has type 'char' [-Wchar-subscripts] int l = e[litera].length(); ^ main.cpp:45:28: warning: array subscript has type 'char' [-Wchar-subscripts] char urm = e[litera][j + 1]; ^ main.cpp: In function 'long long int evalExpr()': main.cpp:84:46: warning: array subscript has type 'char' [-Wchar-subscripts] st.top().push_back(valoare[ini[i]]); ^ main.cpp: In function 'void citire()': main.cpp:103:25: warning: array subscript has type 'char' [-Wchar-subscripts] valoare[s[0]] = valoare[s[0]] * 10 + s[i] - '0'; ^ main.cpp:103:41: warning: array subscript has type 'char' [-Wchar-subscripts] valoare[s[0]] = valoare[s[0]] * 10 + s[i] - '0'; ^ main.cpp:111:15: warning: array subscript has type 'char' [-Wchar-subscripts] e[s[0]] = s.substr(st + 1, l - 1); ^ main.cpp: In function 'long long int evalExpr()': main.cpp:96:1: warning: control reaches end of non-void function [-Wreturn-type] } ^