```
freopen("2.in","r",stdin);
freopen("2.out","w",stdout);
```
什么鬼？
by _wkjzyc @ 2018-11-08 13:24:36
@[曾熠辰](/space/show?uid=34372) 调试用的文件输入输出啊，交的时候没有这两句的
by zombie462 @ 2018-11-08 13:25:13
```pascal
// luogu-judger-enable-o2
var test,t,ww,n,h,r,i,j,xx:longint;
queue,w,x,y,z:array[0..2000] of int64;
q:array[0..2000,0..2000] of longint;
f:array[0..2000] of boolean;
ff:boolean;
function dist(i,j:int64):real;
begin
dist:=sqrt(sqr(x[i]-x[j])+sqr(y[i]-y[j])+sqr(z[i]-z[j]));
end;
begin
readln(test);
for test:=1 to test do
begin
fillchar(q,sizeof(q),0);
fillchar(w,sizeof(w),0);
fillchar(f,sizeof(f),false);
t:=0;ww:=0;
readln(n,h,r);
for i:=1 to n do
begin
readln(x[i],y[i],z[i]);
if (z[i]>=0) and (z[i]<=r) or (z[i]<=0) and (z[i]+r>=0) then
begin
f[i]:=true;
inc(ww);
queue[ww]:=i;
end;
end;
for i:=1 to n do
for j:=i+1 to n do
if dist(i,j)<=r+r then
begin
inc(w[i]);
q[i,w[i]]:=j;
inc(w[j]);
q[j,w[j]]:=i;
end;
while t<ww do
begin
inc(t);
xx:=queue[t];
for i:=1 to w[xx] do
begin
j:=q[xx,i];
if f[j]=false then
begin
f[j]:=true;
inc(ww);
queue[ww]:=j;
end;
end;
end;
ff:=false;
for i:=1 to n do
if (f[i]=true) and (z[i]+r>=h) then
begin
ff:=true;
break;
end;
if ff=false then writeln('No') else writeln('Yes');
end;
end.
```
先%巨佬
巨佬这是我的程序，我用宽搜做的
by Holy_Push @ 2018-11-08 13:25:14
边少了吧...
1000个点应该不只有3333条边吧
by ajil @ 2018-11-08 13:34:06
@[ajil](/space/show?uid=22911)
还真过了，谢谢大佬
那为什么本地通过，说不通啊...
by zombie462 @ 2018-11-08 13:39:16
@[zombie462](/space/show?uid=107231) 说不定是linux内存检测更严格...
WINDOWS说不定你越界还是能跑...
by ajil @ 2018-11-08 13:41:14