Compilare: user.cpp: In function 'int termen()': user.cpp:73: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:129: warning: array subscript has type 'char' user.cpp:131: warning: array subscript has type 'char' user.cpp:132: warning: array subscript has type 'char' user.cpp:140: warning: array subscript has type 'char' user.cpp:142: warning: array subscript has type 'char' user.cpp:143: warning: array subscript has type 'char' user.cpp: In function 'int termen()': user.cpp:70: warning: 'a' may be used uninitialized in this function