Compilare: user.cpp: In function ‘void citire()’: user.cpp:10: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:12: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp: In function ‘void adunare(char*, char*, char*)’: user.cpp:35: warning: array subscript has type ‘char’ user.cpp:36: warning: array subscript has type ‘char’ user.cpp:37: warning: array subscript has type ‘char’ user.cpp:43: warning: array subscript has type ‘char’ user.cpp:44: warning: array subscript has type ‘char’ user.cpp:45: warning: array subscript has type ‘char’ user.cpp:53: warning: array subscript has type ‘char’ user.cpp:54: warning: array subscript has type ‘char’ user.cpp:55: warning: array subscript has type ‘char’ user.cpp:61: warning: array subscript has type ‘char’ user.cpp:62: warning: array subscript has type ‘char’ user.cpp:63: warning: array subscript has type ‘char’ user.cpp:73: warning: array subscript has type ‘char’ user.cpp: In function ‘void pune_cifre(long long int, char*)’: user.cpp:84: warning: array subscript has type ‘char’