Compilare: user.cpp: In function ‘unsigned int get_number()’: user.cpp:9:22: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(;inBuffer[++p] > 0x2F; number = number * 0xA + inBuffer[p] - 0x30); ^ user.cpp:9:66: warning: array subscript has type ‘char’ [-Wchar-subscripts] for(;inBuffer[++p] > 0x2F; number = number * 0xA + inBuffer[p] - 0x30); ^ user.cpp: At global scope: user.cpp:5:45: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) unsigned int get_number() ^~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:18:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elmaj.in", "r", stdin); ^ user.cpp:19:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("elmaj.out", "w", stdout); ^ user.cpp:21:43: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fread(inBuffer, 0x1, 0x1000000, stdin); ^ user.cpp:29:9: warning: ‘candidate’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(x == candidate) ^~