Compilare: user.c: In function ‘main’: user.c:11:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d%d",&n,&k); ^ user.c:13:15: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f1,"%d",&v[i]); ^ user.c:10:64: warning: ‘max’ may be used uninitialized in this function [-Wmaybe-uninitialized] int n, k, i, stmin = 0, stmax = 0, drmin = -1, drmax = -1, max; ^