Compilare: user.c: In function ‘main’: user.c:10:40: warning: variable ‘pz’ set but not used [-Wunused-but-set-variable] int n, m, li, di, i, max, mx, poz, pz, sol; ^ user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &m, &n); ^ user.c:17:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &di, &li); ^ user.c:31:19: warning: ‘poz’ may be used uninitialized in this function [-Wmaybe-uninitialized] sol=max+mx+m-d[poz]; ^