Compilare: user.c: In function ‘main’: user.c:9:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d", &n, &k); ^ user.c:14:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&a); ^ user.c:30:10: warning: ‘pmax’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout,"%d %d %d", pmax+1,u+1,scmax); ^ user.c:30:10: warning: ‘u’ may be used uninitialized in this function [-Wmaybe-uninitialized]