Compilare: user.cpp: In function ‘int get_nr()’: user.cpp:11:23: warning: suggest parentheses around comparison in operand of ‘|’ [-Wparentheses] while(inBuffer[p] < 48 | inBuffer[p] > 57) ~~~~~~~~~~~~^~~~ user.cpp:16:23: warning: suggest parentheses around comparison in operand of ‘&’ [-Wparentheses] while(inBuffer[p] > 47 & inBuffer[p] < 58) ~~~~~~~~~~~~^~~~ user.cpp: At global scope: user.cpp:28:37: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) void itoa(int x) ^~~~ user.cpp:7:36: warning: always_inline function might not be inlinable [-Wattributes] __attribute__((always_inline)) int get_nr() ^~~~~~ user.cpp: In function ‘int get_nr()’: user.cpp:13:22: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p != 32768 || (fread(inBuffer, 1, 32768, stdin), p = 0); ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp:20:22: warning: ignoring return value of ‘size_t fread(void*, size_t, size_t, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] ++p != 32768 || (fread(inBuffer, 1, 32768, stdin), p = 0); ~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:42:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.in", "r", stdin); ^ user.cpp:43:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("euclid2.out", "w", stdout); ^