#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int N = 505;
int n, m, k;
char c[N][N];
bitset<N> init[N];
bitset<N> dp[N][2];
string s;
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
cin >> n >> m >> k;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cin >> c[i][j];
if (c[i][j] == '.') init[i].set(j);
}
dp[i][1] = init[i];
}
cin >> s;
for (int i = 1; i <= k; i++) {
for (int j = 1; j <= n; j++) {
dp[j][0] = dp[j][1];
dp[j][1].reset();
}
for (int j = 1; j <= n; j++) {
if (s[i - 1] == 'W') dp[j][1] |= (dp[j][0] >> 1);
if (s[i - 1] == 'E') dp[j][1] |= (dp[j][0] << 1);
if (s[i - 1] == 'N') dp[j][1] |= dp[j + 1][0];
if (s[i - 1] == 'S') dp[j][1] |= dp[j - 1][0];
if (s[i - 1] == '?') {
dp[j][1] |= (dp[j][0] >> 1);
dp[j][1] |= (dp[j][0] << 1);
dp[j][1] |= dp[j + 1][0];
dp[j][1] |= dp[j - 1][0];
}
dp[j][1] &= init[j];
}
}
int ans = 0;
for (int i = 1; i <= n; i++) ans += dp[i][1].count();
cout << ans;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
396 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
384 KB |
Output is correct |
| 2 |
Correct |
1 ms |
384 KB |
Output is correct |
| 3 |
Correct |
1 ms |
384 KB |
Output is correct |
| 4 |
Correct |
2 ms |
384 KB |
Output is correct |
| 5 |
Correct |
1 ms |
384 KB |
Output is correct |
| 6 |
Correct |
1 ms |
396 KB |
Output is correct |
| 7 |
Correct |
1 ms |
384 KB |
Output is correct |
| 8 |
Correct |
2 ms |
384 KB |
Output is correct |
| 9 |
Correct |
1 ms |
384 KB |
Output is correct |
| 10 |
Correct |
1 ms |
384 KB |
Output is correct |
| 11 |
Correct |
1 ms |
384 KB |
Output is correct |
| 12 |
Correct |
1 ms |
384 KB |
Output is correct |
| 13 |
Correct |
2 ms |
384 KB |
Output is correct |
| 14 |
Correct |
2 ms |
384 KB |
Output is correct |
| 15 |
Correct |
1 ms |
384 KB |
Output is correct |
| 16 |
Correct |
2 ms |
384 KB |
Output is correct |
| 17 |
Correct |
2 ms |
384 KB |
Output is correct |
| 18 |
Correct |
2 ms |
384 KB |
Output is correct |
| 19 |
Correct |
2 ms |
384 KB |
Output is correct |
| 20 |
Correct |
1 ms |
384 KB |
Output is correct |
| 21 |
Correct |
1 ms |
384 KB |
Output is correct |
| 22 |
Correct |
118 ms |
896 KB |
Output is correct |
| 23 |
Correct |
125 ms |
996 KB |
Output is correct |
| 24 |
Correct |
113 ms |
992 KB |
Output is correct |
| 25 |
Correct |
128 ms |
888 KB |
Output is correct |
| 26 |
Correct |
122 ms |
1016 KB |
Output is correct |
| 27 |
Correct |
151 ms |
892 KB |
Output is correct |
| 28 |
Correct |
153 ms |
896 KB |
Output is correct |
| 29 |
Correct |
155 ms |
1016 KB |
Output is correct |
| 30 |
Correct |
153 ms |
896 KB |
Output is correct |
| 31 |
Correct |
158 ms |
896 KB |
Output is correct |
| 32 |
Correct |
179 ms |
896 KB |
Output is correct |
| 33 |
Correct |
182 ms |
896 KB |
Output is correct |
| 34 |
Correct |
190 ms |
896 KB |
Output is correct |
| 35 |
Correct |
183 ms |
996 KB |
Output is correct |
| 36 |
Correct |
195 ms |
896 KB |
Output is correct |
