#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii;
const int maxn = 500;
const int inf = 1e9;
bitset<maxn> dp[2][maxn], sea[maxn];
int main(){
ios_base::sync_with_stdio(false);
int n, m, k;
cin >> n >> m >> k;
for (int i = 0; i < n; i++){
string s;
cin >> s;
for (int j = 0; j < m; j++){
if (s[j] == '.')
sea[i][j] = 1;
else
sea[i][j] = 0;
}
}
string s;
cin >> s;
for (int i = 0; i < n; i++)
dp[0][i] = sea[i];
for (int x = 1; x <= k; x++){
int p = (x & 1);
for (int i = 0; i < n; i++)
dp[p][i].reset();
if (s[x - 1] == 'N' or s[x - 1] == '?'){
for (int i = 0; i < n - 1; i++)
dp[p][i] |= (dp[1 - p][i + 1] & sea[i]);
}
if (s[x - 1] == 'S' or s[x - 1] == '?'){
for (int i = 1; i < n; i++)
dp[p][i] |= (dp[1 - p][i - 1] & sea[i]);
}
if (s[x - 1] == 'E' or s[x - 1] == '?'){
for (int i = 0; i < n; i++)
dp[p][i] |= ((dp[1 - p][i] << 1) & sea[i]);
}
if (s[x - 1] == 'W' or s[x - 1] == '?'){
for (int i = 0; i < n; i++)
dp[p][i] |= ((dp[1 - p][i] >> 1) & sea[i]);
}
}
int p = (k & 1);
int cnt = 0;
for (int i = 0; i < n; i++)
for (int j = 0; j < m; j++)
if (dp[p][i][j])
cnt ++;
cout << cnt << endl;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
3 ms |
376 KB |
Output is correct |
| 8 |
Correct |
3 ms |
388 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
3 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
3 ms |
376 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
376 KB |
Output is correct |
| 15 |
Correct |
3 ms |
376 KB |
Output is correct |
| 16 |
Correct |
3 ms |
376 KB |
Output is correct |
| 17 |
Correct |
3 ms |
376 KB |
Output is correct |
| 18 |
Correct |
3 ms |
376 KB |
Output is correct |
| 19 |
Correct |
3 ms |
376 KB |
Output is correct |
| 20 |
Correct |
3 ms |
376 KB |
Output is correct |
| 21 |
Correct |
3 ms |
380 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
2 ms |
376 KB |
Output is correct |
| 2 |
Correct |
2 ms |
376 KB |
Output is correct |
| 3 |
Correct |
2 ms |
376 KB |
Output is correct |
| 4 |
Correct |
2 ms |
376 KB |
Output is correct |
| 5 |
Correct |
2 ms |
376 KB |
Output is correct |
| 6 |
Correct |
2 ms |
376 KB |
Output is correct |
| 7 |
Correct |
3 ms |
376 KB |
Output is correct |
| 8 |
Correct |
3 ms |
388 KB |
Output is correct |
| 9 |
Correct |
2 ms |
380 KB |
Output is correct |
| 10 |
Correct |
3 ms |
376 KB |
Output is correct |
| 11 |
Correct |
2 ms |
376 KB |
Output is correct |
| 12 |
Correct |
3 ms |
376 KB |
Output is correct |
| 13 |
Correct |
3 ms |
376 KB |
Output is correct |
| 14 |
Correct |
3 ms |
376 KB |
Output is correct |
| 15 |
Correct |
3 ms |
376 KB |
Output is correct |
| 16 |
Correct |
3 ms |
376 KB |
Output is correct |
| 17 |
Correct |
3 ms |
376 KB |
Output is correct |
| 18 |
Correct |
3 ms |
376 KB |
Output is correct |
| 19 |
Correct |
3 ms |
376 KB |
Output is correct |
| 20 |
Correct |
3 ms |
376 KB |
Output is correct |
| 21 |
Correct |
3 ms |
380 KB |
Output is correct |
| 22 |
Correct |
103 ms |
760 KB |
Output is correct |
| 23 |
Correct |
105 ms |
736 KB |
Output is correct |
| 24 |
Correct |
103 ms |
760 KB |
Output is correct |
| 25 |
Correct |
101 ms |
760 KB |
Output is correct |
| 26 |
Correct |
101 ms |
736 KB |
Output is correct |
| 27 |
Correct |
158 ms |
760 KB |
Output is correct |
| 28 |
Correct |
162 ms |
744 KB |
Output is correct |
| 29 |
Correct |
159 ms |
632 KB |
Output is correct |
| 30 |
Correct |
161 ms |
772 KB |
Output is correct |
| 31 |
Correct |
158 ms |
656 KB |
Output is correct |
| 32 |
Correct |
204 ms |
632 KB |
Output is correct |
| 33 |
Correct |
203 ms |
760 KB |
Output is correct |
| 34 |
Correct |
205 ms |
760 KB |
Output is correct |
| 35 |
Correct |
205 ms |
760 KB |
Output is correct |
| 36 |
Correct |
204 ms |
772 KB |
Output is correct |
