Compilare: user.c: In function ‘main’: user.c:16:22: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] int n,m,i; fscanf(f,"%d",&n); ^ user.c:20:27: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=0;i<m;i++)fscanf(f,"%lu",&w[i]); ^ user.c: In function ‘nrsecv’: user.c:8:17: warning: ‘emax’ may be used uninitialized in this function [-Wmaybe-uninitialized] int max=f+1,emax; ^