比赛 |
20110412pm |
评测结果 |
AAAAAAWAAA |
题目名称 |
拯救奶牛贝希 |
最终得分 |
90 |
用户昵称 |
ybh |
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 16:51:12 |
显示代码纯文本
program rescuea;
var
n,m,si,sj,ti,tj,i,temp,min,mini,minj:longint;
function dist(i1,j1,i2,j2:longint):longint;
var
h,ans:longint;
begin
h:=i2-i1;
if h=0 then exit(abs(j1-j2));
if j1 mod 2=1 then
begin
ans:=(h-1)*2+1;
if j2<j1+1 then exit(ans+j1+1-j2);
if j2>j1+2*h-1 then exit(ans+j2-(j1+2*h-1));
if j2 mod 2=0
then exit(ans)
else exit(ans+1);
end
else
begin
ans:=h*2;
if j2<j1 then exit(ans+j1-j2);
if j2>j1+(h-1)*2 then exit(ans+j2-(j1+(h-1)*2));
if j2 mod 2=0
then exit(ans)
else exit(ans+1);
end;
end;
begin
assign(input,'rescuea.in');
reset(input);
assign(output,'rescuea.out');
rewrite(output);
readln(n,m);
readln(si,sj);
min:=maxlongint;
for i:=1 to m do
begin
readln(ti,tj);
if si<=ti
then temp:=dist(si,sj,ti,tj)
else temp:=dist(ti,tj,si,sj);
if temp=min then
if (ti<mini) or ((ti=mini) and (tj<minj)) then
begin
min:=temp;
mini:=ti;
minj:=tj;
end;
if temp<min then
begin
min:=temp;
mini:=ti;
minj:=tj;
end;
end;
writeln(mini,' ',minj);
writeln(min+1);
close(input);
close(output);
end.