Compilare: user.c: In function ‘main’: user.c:21:12: warning: suggest parentheses around ‘-’ inside ‘>>’ [-Wparentheses] s=m(v[i]-v[st]); x=(st&&s<=ktmp); ^ user.c:5:14: note: in definition of macro ‘m’ #define m(x) x>>31?-x:x; ^ user.c:22:12: warning: suggest parentheses around ‘-’ inside ‘>>’ [-Wparentheses] d=m(v[i]-v[dr]); y=(dr<=n&&d<=ktmp); ^ user.c:5:14: note: in definition of macro ‘m’ #define m(x) x>>31?-x:x; ^ 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:14:25: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] for(i=1;i<=n;i++)fscanf(fin,"%d",v+i); ^