DISNEY2 - Công viên Disneyland (version 2)
Tác giả: flashmt
Ngôn ngữ: Pascal
uses math;
const fi='';
maxn=210;
oo=10000000;
var n,re:longint;
a,f:array[0..maxn,0..maxn] of longint;
procedure rf;
var i,j:longint;
begin
read(n);
for i:=1 to n do
for j:=1 to n do
read(a[i,j]);
end;
procedure pr;
var i,j,x:longint;
begin
for i:=0 to n do
for j:=0 to n do
f[i,j]:=oo;
f[1,1]:=0;
for i:=1 to n-1 do
for j:=1 to n-1 do
begin
x:=max(i,j)+1;
f[i,x]:=min(f[i,x],f[i,j]+a[j,x]);
f[x,i]:=f[i,x];
f[j,x]:=min(f[j,x],f[i,j]+a[i,x]);
f[x,j]:=f[j,x];
end;
re:=oo;
for i:=1 to n do
re:=min(re,f[i,n]+a[n,1]+a[i,1]);
writeln(re);
end;
begin
assign(input,fi); reset(input);
rf;
pr;
close(input);
end.