Compilare: user.cpp: In function ‘int get_int()’: user.cpp:30:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]==0) ^ user.cpp:35:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]) ^ user.cpp: In function ‘double get_double()’: user.cpp:49:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]==0) ^ user.cpp:54:18: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]) ^ user.cpp:66:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] while(digit[x]) ^ user.cpp: In function ‘char get_char()’: user.cpp:20:32: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(BUF,SBUF,1,stdin); ^ user.cpp: In function ‘int main()’: user.cpp:139:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plantatii.in", "r", stdin); ^ user.cpp:140:42: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("plantatii.out", "w", stdout); ^