Compilare: user.cpp: In function ‘int main()’: user.cpp:49:25: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &x); ^ user.cpp:51:30: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf (fin, "%d", &a[i]); ^ user.cpp: In function ‘int CautBin(int)’: user.cpp:41:11: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] return poz; ^