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BABY.cpp
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74 lines (70 loc) · 1.51 KB
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#include<iostream>
#include<stdio.h>
#include<string.h>
#include<vector>
#include<queue>
#include<algorithm>
#include<set>
#include<math.h>
#include<map>
using namespace std;
#define mp make_pair
#define pb push_back
#define INF 100000
int n,a[20],b[20],s[20][20];
int vis[100000];
int main()
{
//freopen("input.txt","r",stdin);
while(1)
{
for(int i=0;i<70000;i++)
vis[i]=INF;
scanf("%d",&n);
if(n==0)
break;
for(int i=0;i<n;i++)
scanf("%d",&a[i]);
for(int i=0;i<n;i++)
{
scanf("%d",&b[i]);
for(int j=0;j<n;j++)
s[i][j]=abs(a[j]-b[i])+abs(i-j);
}
int m=pow(2,n);
for(int i=1;i<m;i++)
{
int temp=i,cnt=0,ans;
while(temp)
{
if(temp&1)
cnt++;
temp>>=1;
}
temp=i;
ans=--cnt;
cnt=0;
if(!ans)
{
while(temp)
{
if(temp&1)
vis[i]=s[ans][cnt];
cnt++;
temp>>=1;
}
}
else
{
while(temp)
{
if(temp&1)
vis[i]=min(vis[i],vis[i^(1<<cnt)]+s[ans][cnt]);
cnt++;
temp>>=1;
}
}
}
printf("%d\n",vis[m-1]);
}
}