记录编号 20125 评测结果 AAAAA
题目名称 [HAOI 2005]希望小学 最终得分 100
用户昵称 Gravatarbelong.zmx 是否通过 通过
代码语言 Pascal 运行时间 0.001 s
提交时间 2010-10-20 20:11:26 内存使用 0.12 MiB
显示代码纯文本
program hopeschool;

type
  node=record
    girl,boy:word;
  end;

var
  i,j,k,n,a,b,c,d,e:word;
  bb,gg:array[1..3]of word;
  dist:array[1..30,1..30]of node;
  x,y:array[1..30]of word;

procedure add_way(a,b,c,d:word);
  begin
    dist[a,b].boy:=c;
    dist[a,b].girl:=d;
  end;

begin
  assign(input,'hopeschool.in');
  reset(input);
  assign(output,'hopeschool.out');
  rewrite(output);

  readln(n,bb[1],bb[2],bb[3],gg[1],gg[2],gg[3]);

  for i:=1 to n do
    read(x[i]);
  for i:=1 to n do
    read(y[i]);

  for i:=1 to n do
    for j:=1 to n do
      if i<>j then
        add_way(i,j,maxint,maxint)
      else
        add_way(i,j,0,0);

  readln(k);
  for i:=1 to k do
  begin
    read(a,b,c,d,e);
    add_way(a,b,c*bb[1]+d*bb[2]+e*bb[3],c*gg[1]+d*gg[2]+e*gg[3]);
    add_way(b,a,c*bb[1]+e*bb[2]+d*bb[3],c*gg[1]+e*gg[2]+d*gg[3]);
  end;

  for k:=1 to n do
    for i:=1 to n do
      if (dist[i,k].boy<maxint)or(dist[i,k].girl<maxint) then
        for j:=1 to n do
          if i<>j then
          begin
            if dist[i,k].boy+dist[k,j].boy<dist[i,j].boy then
              dist[i,j].boy:=dist[i,k].boy+dist[k,j].boy;

            if dist[i,k].girl*y[i]+dist[k,j].girl<dist[i,j].girl then
              dist[i,j].girl:=dist[i,k].girl+dist[k,j].girl;
          end;

  b:=maxint;
  for i:=1 to n do
  begin
    c:=0;
    for j:=1 to n do
      if i<>j then
        c:=c+dist[j,i].boy*x[j]+dist[j,i].girl*y[j];

    if c<b then
    begin
      b:=c;
      a:=i;
    end;
  end;

  writeln(a);

  close(input);
  close(output);
end.