Compilare: user.c: In function ‘main’: user.c:10:5: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%lld%lld%lld", &a, &b, &q ); ^ user.c:13:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf ( fin, "%lld%lld", &T, &A ); ^ user.c:42:16: warning: ‘nrp’ may be used uninitialized in this function [-Wmaybe-uninitialized] nrp = nrp / 2; ^