Submission #3764899

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Source Code Expand

var
  k,a,b,s:int64;
begin
  readln(k,a,b);
  if a>=k then begin writeln(1);halt; end;
  if b>=a then begin writeln(-1);halt; end;
  if ((k-a) mod (a-b))>0 then s:=1;
  writeln(((k-a) div (a-b)+s)*2+1);
end.

Submission Info

Compile Error

/usr/bin/ld.bfd: warning: ./link.res contains output sections; did you forget -T?

Judge Result