This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
int r, c, m;
string a[100];
bool f(int x, int y) {
if(x >= 0 && x < r && y >= 0 && y < c && a[x][y] == '.') {
return true;
}
return false;
}
int main() {
cin >> r >> c >> m;
bool vis[r][c] {};
for(int i = 0; i < r; i++) {
cin >> a[i];
for(int j = 0; j < c; j++) {
if(a[i][j] == '.') {
vis[i][j] = 1;
}
}
}
string s;
cin >> s;
bool Vis[r][c] {};
for(char X : s) {
int x, y;
if(X == 'W') {
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
x = i;
y = j;
if(vis[x][y]){
y--;
if(f(x, y)) {
Vis[x][y] = 1;
}
}
}
}
}
if(X == 'E') {
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
x = i;
y = j;
if(vis[x][y]) {
y++;
if(f(x, y)) {
Vis[x][y] = 1;
}
}
}
}
}
if(X == 'N') {
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
x = i;
y = j;
if(vis[x][y]){
x--;
if(f(x, y)) {
Vis[x][y] = 1;
}
}
}
}
}
if(X == 'S') {
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
x = i;
y = j;
if(vis[x][y]) {
x++;
if(f(x, y)) {
Vis[x][y] = 1;
}
}
}
}
}
if(X == '?') {
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
x = i;
y = j;
if(vis[x][y]) {
if(f(x + 1, y)) {
Vis[x + 1][y] = 1;
}
if(f(x - 1, y)) {
Vis[x - 1][y] = 1;
}
if(f(x, y + 1)) {
Vis[x][y + 1] = 1;
}
if(f(x, y - 1)) {
Vis[x][y - 1] = 1;
}
}
}
}
}
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
vis[i][j] = Vis[i][j];
Vis[i][j] = 0;
}
}
}
int S = 0;
for(int i = 0; i < r; i++) {
for(int j = 0; j < c; j++) {
if(vis[i][j]) {
S++;
}
}
}
cout << S << "\n";
return 0;
}
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