https://www.nowcoder.com/acm/contest/170/A var l,r,tot,pre,i:qword; function max(a,b:int64):int64; begin if a>b then exit(a) else exit(b); end; function o(a:int64):int64; begin if a<0 then exit(0) else exit(a); end; begin readln(l,r); tot:=0;i:=1;pre:=0; while i*i+pre&...