#include "rainbow.h"
#include <bits/stdc++.h>
#include <map>
#include <iostream>
using namespace std;
map < pair <int,int > ,int > a,b;
int h=1,o=0,r,c;
void init(int R, int C, int sr, int sc, int m, char *s)
{
r=R;
c=C;
a[{sc,sr}]=1;
int x=sc,y=sr;
b[{x,y}]=-1;
for (int i=0;i<m;i++)
{
if (*s=='W')x--;
else if (*s=='E')x++;
else if (*s=='N')y--;
else y++;
a[{x,y}]=1;
b[{x,y}]=-1;
s++;
}
}
void vis(int i,int j,int ar, int ac, int br, int bc)
{
b[{i,j}]=h;
if (b[{i-1,j}]!=h&&b[{i-1,j}]!=-1&&i-1>=ac)vis(i-1,j,ar,ac,br,bc);
if (b[{i,j-1}]!=h&&b[{i,j-1}]!=-1&&j-1>=ar)vis(i,j-1,ar,ac,br,bc);
if (b[{i+1,j}]!=h&&b[{i+1,j}]!=-1&&i+1<=bc)vis(i+1,j,ar,ac,br,bc);
if (b[{i,j+1}]!=h&&b[{i,j+1}]!=-1&&j+1<=br)vis(i,j+1,ar,ac,br,bc);
}
int f(int i,int j,int ar, int ac, int br, int bc)
{
if (b[{i,j}]==h||b[{i,j}]==-1)
{
return 0;
}
vis(i,j,ar,ac,br,bc);
return 1;
}
int colour(int ar, int ac, int br, int bc)
{
o=0;
for (int i=ac;i<=bc;i++)
{
for (int j=ar;j<=br;j++)
{
o+=f(i,j,ar,ac,br,bc);
}
}
h++;
return o;
}
