ソースコード
#include <algorithm>
#include <cfloat>
#include <climits>
#include <cmath>
#include <complex>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <functional>
#include <iostream>
#include <map>
#include <memory>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <utility>
#include <vector>
using namespace std;
typedef long long ll;
#define sz size()
#define pb push_back
#define mp make_pair
#define fi first
#define se second
#define all(c) (c).begin(), (c).end()
#define rep(i,a,b) for(int i=(a);i<(b);++i)
#define per(i,a,b) for(int i=b-1int;i>=(a);--i)
#define clr(a, b) memset((a), (b) ,sizeof(a))
#define ctos(c) string(1,c)
#define print(x) cout<<#x<<" = "<<x<<endl;
#define MOD 1000000007
int h,w;
int gy,gx;
int dy[1000];
int dx[1000];
int yl,yr,xl,xr;
#define MAX_V 100000
#define INF 1000000000
struct edge{int to, cost;};
typedef pair<int,int> P;
vector<edge> G[MAX_V];
int mn[MAX_V];
void ae(int from, int to, int cost){
edge e = {to,cost};
G[from].push_back(e);
}
void dijk(int start, int V){
priority_queue<P, vector<P>, greater<P> > que;
for(int i = 0; i < V; i++)mn[i] = INF;
mn[start] = 0;
que.push(P(0,start));
while(!que.empty()){
P p = que.top(); que.pop();
int v = p.second;
if(mn[v]<p.first)continue;
for(int i = 0; i < G[v].size(); i++){
edge e = G[v][i];
if(mn[e.to] > mn[v]+e.cost){
mn[e.to] = mn[v]+e.cost;
que.push(P(mn[e.to],e.to));
}
}
}
}
int main() {
cin>>h>>w;
cin>>gy>>gx;
gy--;gx--;
rep(i,0,h){
int a;
cin>>a;
dy[i] = a;
}
rep(i,0,w){
int a;
cin>>a;
dx[i] = a;
}
cin>>yl>>yr>>xl>>xr;
yl--;yr--;xl--;xr--;
rep(y,0,h-1){
rep(x,0,w){
if(yl<=y&&y<=yr&&xl<=x&&x<=xr)continue;
ae(y*w+x,(y+1)*w+x,dx[x]);
}
}
rep(y,1,h){
rep(x,0,w){
if(yl<=y&&y<=yr&&xl<=x&&x<=xr)continue;
ae(y*w+x,(y-1)*w+x,dx[x]);
}
}
rep(y,0,h){
rep(x,0,w-1){
if(yl<=y&&y<=yr&&xl<=x&&x<=xr)continue;
ae(y*w+x,y*w+x+1,dy[y]);
}
}
rep(y,0,h){
rep(x,1,w){
if(yl<=y&&y<=yr&&xl<=x&&x<=xr)continue;
ae(y*w+x,y*w+x-1,dy[y]);
}
}
dijk(0,w*h);
if(mn[gy*w+gx]==INF){
cout << -1 << endl;
}
else cout << mn[gy*w+gx] << endl;
return 0;
}