#include #include #include #include #include #include #include #include #include using namespace std; #define FOR(i,a,b) for (int i=(a);i<(b);i++) #define RFOR(i,a,b) for (int i=(b)-1;i>=(a);i--) #define REP(i,n) for (int i=0;i<(n);i++) #define RREP(i,n) for (int i=(n)-1;i>=0;i--) #define INF 1<<30 #define MP make_pair #define mp make_pair #define pb push_back #define PB push_back #define DEBUG(x) cout<<#x<<": "<>n>>k; REP(i,n) cin>>p[i]; REP(i,n) cin>>b[i]; REP(i,n) id[i].i=i; REP(i,n) ans+=1LL*k*abs(p[i]-b[i]); REP(i,k-1) next_permutation(id,id+n); cout<