#include?
<
stdio.h
>
#include?
<
math.h
>
struct
?Point
{
????
double
?x,?y,?z;
}
;
Point??d[
16
];
double
?dis(?Point?
const
&
?a,?Point?
const
&
?b?)
{
????
return
?sqrt(?(?a.x
-
?b.x?)
*
?(a.x
-
?b.x?)
+
?(?a.y
-
?b.y?)
*
?(a.y
-
?b.y?)
+
?(a.z
-
?b.z)
*
(a.z
-
?b.z)?);
}
????
int
?main()
{
????
for
(?
int
?i
=
?
0
;?i
<
?
16
;?
++
i?)??scanf(
"
%lf%lf%lf
"
,?
&
d[i].x,?
&
d[i].y,?
&
d[i].z?);
????Point?temp;
????
????
while
(?scanf(
"
%lf%lf%lf
"
,?
&
temp.x,?
&
temp.y,?
&
temp.z),?temp.x
!=
?
-
1
?
&&
?temp.y
!=
?
-
1
?
&&
?temp.z
!=
?
-
1
?)
????
{
????????
double
?min
=
?
250
*
?
250
+
?
250
*
?
250
+
?
250
*
?
250
+
?
50
;
????????
int
????k
=
?
-
1
;
????????
????????
for
(?
int
?i
=
?
0
;?i
<
?
16
;?
++
i?)
????????
{
????????????
if
(?dis(?d[i],?temp?)
<
?min?)
????????????
{
????????????????min
=
?dis(?d[i],?temp?);
????????????????k
=
?i;
????????????}
????????}
????????
????????printf(?
"
(%.0lf,%.0lf,%.0lf)?maps?to?(%.0lf,%.0lf,%.0lf)\n
"
,??temp.x,?temp.y,?temp.z,?d[k].x,?d[k].y,?d[k].z?);
????}
????
????
return
?
0
;
}
posted on 2008-10-28 22:08
Darren 閱讀(447)
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