Compilare: user.c: In function ‘main’: user.c:27:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &gogu); ^ user.c:29:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &m); ^ user.c:31:19: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &x, &y); ^ user.c:40:25: warning: ‘ans’ may be used uninitialized in this function [-Wmaybe-uninitialized] ans=(ans+nr*(nr-1)/2-sum/2)%2; ^