Compilare: user.cpp: In function ‘int main()’: user.cpp:81:41: warning: array subscript has type ‘char’ [-Wchar-subscripts] v[i] = v[i] * BASE + code[ch]; ^ user.cpp: In function ‘char Advance()’: user.cpp:24:38: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(buffer, 1, SIZE, stdin); ^ user.cpp: In function ‘int main()’: user.cpp:61:41: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("incantatii.in", "r", stdin); ^ user.cpp:62:43: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("incantatii.out", "w", stdout); ^