program pig3864;{Numbers have relationship with seven 2011-10-8 20:00PM Eric Zhou}var i,n,sum:Longint;function hasRelation(n:Longint):Boolean;var i:Longint;begin if n mod 7 = 0 then exit(true); while n > 0 do begin i := n mod 10; if i = 7 then exit(true); n := n div 10; end; hasRelation := false;end;begin readln(n); sum := 0; for i := 1 to n do if not hasRelation(i) then sum := sum + i * i; writeln(sum);end.
作者:binfeihan 发表于2011-10-10 9:57:31
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