Compilare: user.cpp: In function 'int termen()': user.cpp:73: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:126: warning: array subscript has type 'char' user.cpp:128: warning: array subscript has type 'char' user.cpp:129: warning: array subscript has type 'char' user.cpp:139: warning: array subscript has type 'char' user.cpp:141: warning: array subscript has type 'char' user.cpp:142: warning: array subscript has type 'char' user.cpp: In function 'int termen()': user.cpp:70: warning: 'a' may be used uninitialized in this function