Compilare: user.cpp: In function 'int factor(char*, short int&, short int)': user.cpp:29: warning: array subscript has type 'char' user.cpp:40: warning: array subscript has type 'char' user.cpp: In function 'void citire()': user.cpp:79: warning: array subscript has type 'char' user.cpp:85: warning: array subscript has type 'char' user.cpp:86: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:96: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'