// ¯\_(ツ)_/¯
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define all(x) (x).begin(),(x).end()
#define X first
#define Y second
#define sep ' '
#define endl '\n'
#define debug(x) cerr << #x << ": " << x << endl;
const ll MAXN = 500 + 3;
const ll INF = 8e18;
const ll MOD = 1e9 + 7; // 998244353; // 1e9 + 9;
int n, m, l;
bitset<MAXN * MAXN> dp[MAXN], G, W, E;
string s;
int main() {
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
cin >> n >> m >> l;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
char c;
cin >> c;
G[i * m + j] = (c == '.');
W[i * m + j] = E[i * m + j] = true;
}
W[i * m + m - 1] = false;
E[i * m] = false;
}
cin >> s;
s = "." + s;
dp[0] = G;
for (int i = 1; i <= l; i++) {
int ind = i & 1;
dp[ind].reset();
if (s[i] == 'N' || s[i] == '?') dp[ind] |= (dp[1 - ind] >> m);
if (s[i] == 'S' || s[i] == '?') dp[ind] |= (dp[1 - ind] << m);
if (s[i] == 'E' || s[i] == '?') dp[ind] |= ((dp[1 - ind] << 1) & E);
if (s[i] == 'W' || s[i] == '?') dp[ind] |= ((dp[1 - ind] >> 1) & W);
dp[ind] &= G;
}
cout << dp[l & 1].count() << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
464 KB |
Output is correct |
| 2 |
Correct |
3 ms |
464 KB |
Output is correct |
| 3 |
Correct |
3 ms |
464 KB |
Output is correct |
| 4 |
Correct |
2 ms |
464 KB |
Output is correct |
| 5 |
Correct |
2 ms |
464 KB |
Output is correct |
| 6 |
Correct |
2 ms |
464 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
464 KB |
Output is correct |
| 2 |
Correct |
3 ms |
464 KB |
Output is correct |
| 3 |
Correct |
3 ms |
464 KB |
Output is correct |
| 4 |
Correct |
2 ms |
464 KB |
Output is correct |
| 5 |
Correct |
2 ms |
464 KB |
Output is correct |
| 6 |
Correct |
2 ms |
464 KB |
Output is correct |
| 7 |
Correct |
3 ms |
464 KB |
Output is correct |
| 8 |
Correct |
4 ms |
464 KB |
Output is correct |
| 9 |
Correct |
4 ms |
392 KB |
Output is correct |
| 10 |
Correct |
4 ms |
464 KB |
Output is correct |
| 11 |
Correct |
3 ms |
464 KB |
Output is correct |
| 12 |
Correct |
4 ms |
464 KB |
Output is correct |
| 13 |
Correct |
6 ms |
464 KB |
Output is correct |
| 14 |
Correct |
4 ms |
464 KB |
Output is correct |
| 15 |
Correct |
4 ms |
464 KB |
Output is correct |
| 16 |
Correct |
5 ms |
464 KB |
Output is correct |
| 17 |
Correct |
6 ms |
464 KB |
Output is correct |
| 18 |
Correct |
6 ms |
464 KB |
Output is correct |
| 19 |
Correct |
7 ms |
464 KB |
Output is correct |
| 20 |
Correct |
7 ms |
464 KB |
Output is correct |
| 21 |
Correct |
5 ms |
380 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
3 ms |
464 KB |
Output is correct |
| 2 |
Correct |
3 ms |
464 KB |
Output is correct |
| 3 |
Correct |
3 ms |
464 KB |
Output is correct |
| 4 |
Correct |
2 ms |
464 KB |
Output is correct |
| 5 |
Correct |
2 ms |
464 KB |
Output is correct |
| 6 |
Correct |
2 ms |
464 KB |
Output is correct |
| 7 |
Correct |
3 ms |
464 KB |
Output is correct |
| 8 |
Correct |
4 ms |
464 KB |
Output is correct |
| 9 |
Correct |
4 ms |
392 KB |
Output is correct |
| 10 |
Correct |
4 ms |
464 KB |
Output is correct |
| 11 |
Correct |
3 ms |
464 KB |
Output is correct |
| 12 |
Correct |
4 ms |
464 KB |
Output is correct |
| 13 |
Correct |
6 ms |
464 KB |
Output is correct |
| 14 |
Correct |
4 ms |
464 KB |
Output is correct |
| 15 |
Correct |
4 ms |
464 KB |
Output is correct |
| 16 |
Correct |
5 ms |
464 KB |
Output is correct |
| 17 |
Correct |
6 ms |
464 KB |
Output is correct |
| 18 |
Correct |
6 ms |
464 KB |
Output is correct |
| 19 |
Correct |
7 ms |
464 KB |
Output is correct |
| 20 |
Correct |
7 ms |
464 KB |
Output is correct |
| 21 |
Correct |
5 ms |
380 KB |
Output is correct |
| 22 |
Correct |
121 ms |
780 KB |
Output is correct |
| 23 |
Correct |
133 ms |
776 KB |
Output is correct |
| 24 |
Correct |
143 ms |
780 KB |
Output is correct |
| 25 |
Correct |
121 ms |
780 KB |
Output is correct |
| 26 |
Correct |
122 ms |
900 KB |
Output is correct |
| 27 |
Correct |
193 ms |
720 KB |
Output is correct |
| 28 |
Correct |
188 ms |
720 KB |
Output is correct |
| 29 |
Correct |
222 ms |
780 KB |
Output is correct |
| 30 |
Correct |
196 ms |
764 KB |
Output is correct |
| 31 |
Correct |
193 ms |
776 KB |
Output is correct |
| 32 |
Correct |
245 ms |
776 KB |
Output is correct |
| 33 |
Correct |
232 ms |
780 KB |
Output is correct |
| 34 |
Correct |
224 ms |
780 KB |
Output is correct |
| 35 |
Correct |
230 ms |
780 KB |
Output is correct |
| 36 |
Correct |
235 ms |
780 KB |
Output is correct |
