Compilare: user.c: In function ‘main’: user.c:12:48: warning: unused variable ‘y’ [-Wunused-variable] int n,k; register int i,ma=1,ktmp,st,dr,s,d,x,y; ^ user.c:12:46: warning: unused variable ‘x’ [-Wunused-variable] int n,k; register int i,ma=1,ktmp,st,dr,s,d,x,y; ^ user.c:13:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d %d",&n,&k); ^ user.c:14:27: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i+=16)fscanf(fin,"%d %d %d %d %d %d %d %d %d %d %d %d %d %d %d %d",v+i,v+i+1,v+i+2,v+i+3,v+i+4,v+i+5,v+i+6,v+i+7,v+i+8,v+i+9,v+i+10,v+i+11,v+i+12,v+i+13,v+i+14,v+i+15); ^