Compilare: user.cpp:111:2: warning: no newline at end of file user.cpp: In function 'int evaluareExpr(int)': user.cpp:42: warning: array subscript has type 'char' user.cpp: In function 'void backBiti(char)': user.cpp:68: warning: array subscript has type 'char' user.cpp:70: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:86: warning: comparison between signed and unsigned integer expressions user.cpp:88: warning: array subscript has type 'char' user.cpp:91: warning: comparison between signed and unsigned integer expressions user.cpp:93: warning: array subscript has type 'char' user.cpp:96: warning: array subscript has type 'char' user.cpp:96: warning: array subscript has type 'char' user.cpp: In function 'int calc(int, int, char)': user.cpp:24: warning: control reaches end of non-void function