QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #39680 | #2935. Spider-Fly | nidhs | WA | 2ms | 3696kb | C++ | 3.7kb | 2022-07-12 19:06:49 | 2022-07-12 19:06:51 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define inf 0x3f3f3f3f
#define mod 1000000007
#define pb push_back
typedef pair<int,int> pir;
string sstr[]={"NO\n","YES\n"};
const int N=200010;
int w,h,l;
int w1,h1,l1,w2,h2,l2;
int pos1,pos2;
double cal()
{
double ans=1e18;
int d1[4],d2[4];
int ww,hh,ll;
if(pos1%3==0){
d1[0]=w-w1,d2[0]=w-w2;
d1[1]=h-h1,d2[1]=h-h2;
d1[2]=w1,d2[2]=w2;
d1[3]=h1,d2[3]=h2;
ww=l,hh=w,ll=h;
}
else if(pos1%3==1){
d1[0]=w-w1,d2[0]=w-w2;
d1[1]=l-l1,d2[1]=l-l2;
d1[2]=w1,d2[2]=w2;
d1[3]=l1,d2[3]=l2;
ww=w,hh=l,ll=h;
}
else{
d1[0]=l-l1,d2[0]=l-l2;
d1[1]=h-h1,d2[1]=h-h2;
d1[2]=l1,d2[2]=l2;
d1[3]=h1,d2[3]=h2;
ww=h,hh=w,ll=l;
}
//不旋转
for(int i=0;i<4;i++){
ans=min(ans,sqrt(1.0*(ww+d1[i]+d2[i])*(ww+d1[i]+d2[i])+1.0*abs(d1[(i+1)%4]-d2[(i+1)%4])*abs(d1[(i+1)%4]-d2[(i+1)%4])));
ans=min(ans,sqrt(1.0*(ww+d1[i]+d2[i])*(ww+d1[i]+d2[i])+1.0*abs(d1[(i-1+4)%4]-d2[(i-1+4)%4])*abs(d1[(i-1+4)%4]-d2[(i-1+4)%4])));
}
//旋转一次
for(int i=0;i<4;i++){
ans=min(ans,sqrt(1.0*(ww+d1[i]+d2[(i+1)%4])*(ww+d1[i]+d2[(i+1)%4])+1.0*(d2[i]+d1[(i+1)%4])*(d2[i]+d1[(i+1)%4])));
}
//旋转2次
for(int i=0;i<4;i++){
ans=min(ans,sqrt(1.0*(ww+d1[(i-1+4)%4]+d2[(i+1)%4])*(ww+d1[(i-1+4)%4]+d2[(i+1)%4])+1.0*(ll+d2[i]+d1[i])*(ll+d2[i]+d1[i])));
ans=min(ans,sqrt(1.0*(ww+d1[(i+1)%4]+d2[(i-1+4)%4])*(ww+d1[(i+1)%4]+d2[(i-1+4)%4])+1.0*(ll+d2[i]+d1[i])*(ll+d2[i]+d1[i])));
}
return ans;
}
signed main()
{
cin>>w>>h>>l;
cin>>w1>>h1>>l1;
cin>>w2>>h2>>l2;
if(w1==0) pos1=4;
else if(w1==w) pos1=1;
else if(h1==0) pos1=5;
else if(h1==h) pos1=2;
else if(l1==0) pos1=3;
else if(l1==l) pos1=6;
else assert(0);
if(w2==0) pos2=4;
else if(w2==w) pos2=1;
else if(h2==0) pos2=5;
else if(h2==h) pos2=2;
else if(l2==0) pos2=3;
else if(l2==l) pos2=6;
else assert(0);
if(abs(pos1-pos2)==0){//同面
printf("%.3lf",sqrt(1.0*(w1-w2)*(w1-w2)+1.0*(h1-h2)*(h1-h2)+1.0*(l1-l2)*(l1-l2)));
}
else if(abs(pos1-pos2)==3){//对面
printf("%.3lf",cal());
}
else{//相邻
double ans=1e18;
double dis1,dis2;
if(pos1==1) dis2=w-w2;
else if(pos1==2) dis2=h-h2;
else if(pos1==3) dis2=l2;
else if(pos1==4) dis2=w2;
else if(pos1==5) dis2=h2;
else dis2=l-l2;
if(pos2==1) dis1=w-w1;
else if(pos2==2) dis1=h-h1;
else if(pos2==3) dis1=l1;
else if(pos2==4) dis1=w1;
else if(pos2==5) dis1=h1;
else dis1=l-l1;
//接下来计算经过另外一个面的情形
int dis11,dis12;
int dis21,dis22;
if(pos1%3!=0&&pos2%3!=0){
ans=min(ans,sqrt(1.0*(dis2+dis2)*(dis1+dis2)+1.0*abs(l1-l2)*abs(l1-l2)));
//同时往上或者往下
dis11=l-l1,dis21=l-l2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过上面
dis11=l1,dis21=l2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过下面
}
else if(pos1%3!=1&&pos2%3!=1){
ans=min(ans,sqrt(1.0*(dis2+dis2)*(dis1+dis2)+1.0*abs(w1-w2)*abs(w1-w2)));
dis11=w-w1,dis21=w-w2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过上面
dis11=w1,dis21=w2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过下面
}
else if(pos1%3!=2&&pos2%3!=2){
ans=min(ans,sqrt(1.0*(dis2+dis2)*(dis1+dis2)+1.0*abs(h1-h2)*abs(h1-h2)));
dis11=h-h1,dis21=h-h2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过上面
dis11=h1,dis21=h2;
ans=min(ans,sqrt(1.0*(dis21+dis1)*(dis21+dis1)+1.0*(dis11+dis2)*(dis11+dis2)));//经过下面
}
else assert(0);
printf("%.3lf",ans);
}
}
/*
12 10 30
6 9 0
6 1 30
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 2ms
memory: 3684kb
input:
12 12 30 6 11 0 6 1 30
output:
40.000
result:
ok single line: '40.000'
Test #2:
score: 0
Accepted
time: 2ms
memory: 3696kb
input:
12 10 30 6 9 0 6 1 30
output:
38.833
result:
ok single line: '38.833'
Test #3:
score: -100
Wrong Answer
time: 0ms
memory: 3672kb
input:
12 10 30 1 10 10 6 1 30
output:
23.388
result:
wrong answer 1st lines differ - expected: '27.019', found: '23.388'