比赛 |
20110412pm |
评测结果 |
AWWWWWWWWW |
题目名称 |
拯救奶牛贝希 |
最终得分 |
10 |
用户昵称 |
wo shi 刘畅 |
运行时间 |
0.000 s |
代码语言 |
Pascal |
内存使用 |
0.00 MiB |
提交时间 |
2011-04-12 15:26:48 |
显示代码纯文本
var
n,m,i,px,py,si,sj,now,ans:longint;
a,b:array[0..20000]of longint;
procedure sort(l,r: longint);
var
i,j,x,x1,y: longint;
begin
i:=l;
j:=r;
x:=a[(l+r) div 2];
x1:=b[(l+r) div 2];
repeat
while (a[i]<x)or((a[i]=x)and(b[i]<x1)) do
inc(i);
while (x<a[j])or((a[j]=x)and(x1<b[j])) do
dec(j);
if not(i>j) then
begin
y:=a[i];
a[i]:=a[j];
a[j]:=y;
y:=b[i];
b[i]:=b[j];
b[j]:=y;
inc(i);
j:=j-1;
end;
until i>j;
if l<j then
sort(l,j);
if i<r then
sort(i,r);
end;
function dis(xx,yy:longint):longint;
var
x,y,t,d:longint;
begin
x:=xx;
y:=yy;
t:=0;
d:=(x-si)*2+sj;
if sj mod 2=0 then
begin
inc(t,abs(d-y));
inc(t,d-sj);
end
else begin
if y>=d then inc(t,y-sj)
else inc(t,d+d-2-y-sj)
end;
dis:=t+1;
end;
begin
assign(input,'rescuea.in'); reset(input);
assign(output,'rescuea.out'); rewrite(output);
readln(n,m);
readln(si,sj);
for i:=1 to m do readln(a[i],b[i]);
sort(1,m);
ans:=maxlongint;
for i:=1 to m do
begin
now:=dis(a[i],b[i]);
if now<ans then
begin
px:=a[i];
py:=b[i];
ans:=now;
end;
end;
writeln(px,' ',py);
writeln(ans);
close(input);
close(output);
end.