Compilare: user.c: In function ‘main’: user.c:8:1: warning: missing braces around initializer [-Wmissing-braces] { int i,n,m,a[100],b[100],c[100][100]={0},j,k=0,d[100]; ^ user.c:8:1: warning: (near initialization for ‘c[0]’) [-Wmissing-braces] user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n,&m); ^ user.c:13:29: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++) fscanf(f,"%d",&a[i]); ^ user.c:14:29: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=m;i++) fscanf(f,"%d",&b[i]); ^ user.c:23:15: warning: ‘j’ may be used uninitialized in this function [-Wmaybe-uninitialized] while(i>0 && j>0) ^