Compilare: user.cpp: In function ‘void aduna(char*, char*, char*)’: user.cpp:30:22: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess] memset(c,0,sizeof(c)); ^ user.cpp:42:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] c[++c[0]] = t; ^ user.cpp: In function ‘void scadere(char*, char*, char*)’: user.cpp:53:22: warning: argument to ‘sizeof’ in ‘void* memset(void*, int, size_t)’ call is the same expression as the destination; did you mean to provide an explicit length? [-Wsizeof-pointer-memaccess] memset(c,0,sizeof(c)); ^ user.cpp:71:16: warning: array subscript has type ‘char’ [-Wchar-subscripts] if (c[c[0]] == 0) c[0]--; ^ user.cpp: In function ‘int findString()’: user.cpp:79:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[++a[0]] = n % 10; ^ user.cpp:89:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[++b[0]] = n % 10; ^ user.cpp:94:9: warning: unused variable ‘op’ [-Wunused-variable] int op; ^ user.cpp: In function ‘void calc(int)’: user.cpp:124:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] a[++a[0]] = n % 10; ^ user.cpp:134:17: warning: array subscript has type ‘char’ [-Wchar-subscripts] b[++b[0]] = n % 10; ^