比赛 |
NOIP_3 |
评测结果 |
WTAAAAAAAA |
题目名称 |
填数 |
最终得分 |
80 |
用户昵称 |
lc |
运行时间 |
0.000 s |
代码语言 |
Pascal |
内存使用 |
0.00 MiB |
提交时间 |
2008-09-12 22:16:29 |
显示代码纯文本
program exday3_2;
const
sushu:array[1..242] of integer=(0,1,1,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,
0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,
0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,1,0,0,0,1,0,1,0,0,
0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,0,0,1,0,0,0,
1,0,1,0,0,0,1,0,1,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,
0,1,0,0,0,1,0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,
1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,1,0,0,0,0,0,1,0,0,
0,0,0,1,0,1,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,1,0,1,0,
0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,1,0,0,
0,1,0,1,0,0,0,1,0,0,0,0,0,1,0,1,0
);
var
n:integer;
used:array[1..121] of boolean;
a:array[0..11,0..11] of integer;
procedure print;
var
i,j:integer;
begin
for i:=1 to n do
begin
for j:=1 to n-1 do
write(a[i,j],' ');
writeln(a[i,n]);
end;
close(input); close(output);
halt;
end;
procedure search(h,k:integer);
var
i:integer;
begin
if k>n then begin inc(h); k:=1 end;
if h>n then print;
for i:=1 to n*n do
if not used[i]
then
if ( (h>1) and (sushu[a[h-1,k]+i]=1) or (h=1) )
and ( (k>1) and (sushu[a[h,k-1]+i]=1) or (k=1) )
then
begin
a[h,k]:=i;
used[i]:=true;
search(h,k+1);
used[i]:=false;
a[h,k]:=0
end;
end;
begin
assign(input,'tianshu.in');
assign(output,'tianshu.out');
reset(input); rewrite(output);
read(n);
fillchar(used,sizeof(used),0);
a[1,1]:=1; used[1]:=true;
search(1,2);
writeln('NO');
close(input); close(output);
end.