#include <bits/stdc++.h>
// author: aykhn
using namespace std;
#define int long long
#define inf 0x3F3F3F3F
const int MXN = 5e2 + 5;
int n, m, K;
char mat[MXN][MXN];
string s;
bitset<MXN> dp[2][MXN], ok[MXN], x;
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(nullptr);
cin >> n >> m >> K;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
cin >> mat[i][j];
if (mat[i][j] != '#') ok[i].set(j, 1), dp[0][i].set(j, 1);
}
// for (int j = 0; j < m; j++) cout << dp[0][i][j];
// cout << '\n';
}
cin >> s;
s = "#" + s;
int ind = 1;
for (int k = 1; k <= K; k++)
{
for (int i = 0; i < n; i++)
{
dp[ind][i] = x;
if (i && (s[k] == 'S' || s[k] == '?')) dp[ind][i] |= dp[1 - ind][i - 1];
if (i + 1 < n && (s[k] == 'N' || s[k] == '?')) dp[ind][i] |= dp[1 - ind][i + 1];
if (s[k] == 'W' || s[k] == '?') dp[ind][i] |= dp[1 - ind][i] >> 1;
if (s[k] == 'E' || s[k] == '?') dp[ind][i] |= dp[1 - ind][i] << 1;
dp[ind][i] &= ok[i];
}
ind ^= 1;
}
int res = 0;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < m; j++)
{
res += dp[K & 1][i][j];
}
}
cout << res << '\n';
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
360 KB |
Output is correct |
| 11 |
Correct |
1 ms |
532 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
512 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
344 KB |
Output is correct |
| 2 |
Correct |
1 ms |
348 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
344 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
348 KB |
Output is correct |
| 8 |
Correct |
1 ms |
344 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
360 KB |
Output is correct |
| 11 |
Correct |
1 ms |
532 KB |
Output is correct |
| 12 |
Correct |
1 ms |
348 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
512 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
348 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
344 KB |
Output is correct |
| 21 |
Correct |
1 ms |
348 KB |
Output is correct |
| 22 |
Correct |
68 ms |
604 KB |
Output is correct |
| 23 |
Correct |
65 ms |
856 KB |
Output is correct |
| 24 |
Correct |
80 ms |
856 KB |
Output is correct |
| 25 |
Correct |
64 ms |
860 KB |
Output is correct |
| 26 |
Correct |
78 ms |
1028 KB |
Output is correct |
| 27 |
Correct |
91 ms |
1044 KB |
Output is correct |
| 28 |
Correct |
96 ms |
1048 KB |
Output is correct |
| 29 |
Correct |
101 ms |
1048 KB |
Output is correct |
| 30 |
Correct |
98 ms |
1044 KB |
Output is correct |
| 31 |
Correct |
91 ms |
1024 KB |
Output is correct |
| 32 |
Correct |
113 ms |
856 KB |
Output is correct |
| 33 |
Correct |
113 ms |
856 KB |
Output is correct |
| 34 |
Correct |
128 ms |
1040 KB |
Output is correct |
| 35 |
Correct |
123 ms |
1064 KB |
Output is correct |
| 36 |
Correct |
125 ms |
1024 KB |
Output is correct |
