library project_dll;

{ Important note about DLL memory management: ShareMem must be the
  first unit in your library's USES clause AND your project's (select
  Project-View Source) USES clause if your DLL exports any procedures or
  functions that pass strings as parameters or function results. This
  applies to all strings passed to and from your DLL--even those that
  are nested in records and classes. ShareMem is the interface unit to
  the BORLNDMM.DLL shared memory manager, which must be deployed along
  with your DLL. To avoid using BORLNDMM.DLL, pass string information
  using PChar or ShortString parameters. }

uses
  SysUtils,
  Classes;

{$R *.res}

function Execute(const data: WideString): WideString; stdcall; export;
var
des: array of string;
vars: array of string;
nums: array of array of integer;
weight: array of integer;
i,j,k,pos1,pos2,pos3:integer;
s:string;
b:boolean;
begin

b:=false;
pos1:=1;

for i:=1 to length(data) do begin
    if ((ord(data[i])=13) or (ord(data[i])=10)) then begin
      if b=false then begin
        b:=true;

        setlength(des,length(des)+1);
        des[length(des)-1]:=copy(data,pos1,i-pos1);
      end;
    end

    else begin
      if b=true then begin
        b:=false;
        pos1:=i;
      end;
    end;
end;

setlength(weight,length(des));
for i:=0 to length(des)-1 do begin
  j:=pos('=',des[i]);
  weight[i]:=strtoint(copy(des[i], j+1, length(des[i])-j));
  delete(des[i], j, length(des[i]));
end;

s:=des[0];
while(length(s)>0) do begin
  j:=lastdelimiter('-~',s);
  setlength(vars,length(vars)+1);
  vars[length(vars)-1]:=copy(s,j+1,length(s)-j);
  if j=0 then j:=1;
  delete(s,j,length(s));
end;

setlength(nums,length(vars),length(vars));
for i:=0 to length(vars)-1 do
for j:=i+1 to length(vars)-1 do begin
    for k:=0 to length(des)-1 do begin
      pos1:=pos(vars[i],des[k]);
      pos2:=pos(vars[j],des[k]);
      if pos1>pos2 then begin
         s:=copy(des[k],pos2,pos1-pos2);
         pos3:=pos('-',s)+pos2-1;
         if pos3>0 then nums[j,i]:=nums[j,i]+weight[k];
      end
      else begin
         s:=copy(des[k],pos1,pos2-pos1);
         pos3:=pos('-',s)+pos1-1;
         if pos3>0 then nums[i,j]:=nums[i,j]+weight[k];
      end;
   end;
end;

for i:=0 to length(vars)-1 do begin
  b:=true;
  for j:=0 to length(vars)-1 do begin
   if i=j then continue;
   if nums[i,j]<nums[j,i] then begin
      b:=false;
      break;
   end;
  end;
  if b=true then begin
      Result:='Ëó÷øèé âàðèàíò: '+vars[i];
      break;
  end;
end;

pos2:=-1;
if b=false then begin
  Result:='Îáíàðóæåí ïàðàäîêñ Êîíäîðñå';
  for i:=0 to length(vars)-1 do begin
    pos1:=0;
    for j:=0 to length(vars)-1 do pos1:=pos1+nums[i,j];
    if pos1>pos2 then begin
      s:=vars[i];
      pos2:=pos1;
    end
    else if pos1=pos2 then s:=s+', '+vars[i];
  end;
  Result:=Result+'Ëó÷øèè âàðèàíò: '+s;
end;
end;

function About: WideString; stdcall; export;
begin
    Result:='10 Ëàá | Áóêèí Í. | Êîíäîðñå';
end;

exports Execute, About;

begin
end.