Compilare: user.cpp: In function 'int termen()': user.cpp:76: warning: array subscript has type 'char' user.cpp: In function 'int main()': user.cpp:137: warning: array subscript has type 'char' user.cpp:139: warning: array subscript has type 'char' user.cpp:140: warning: array subscript has type 'char' user.cpp:148: warning: array subscript has type 'char' user.cpp:150: warning: array subscript has type 'char' user.cpp:151: warning: array subscript has type 'char' user.cpp: In function 'int termen()': user.cpp:73: warning: 'a' may be used uninitialized in this function