#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 |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
432 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
1 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 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 |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
432 KB |
Output is correct |
16 |
Correct |
1 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
2 ms |
344 KB |
Output is correct |
19 |
Correct |
2 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
77 ms |
604 KB |
Output is correct |
23 |
Correct |
66 ms |
604 KB |
Output is correct |
24 |
Correct |
64 ms |
856 KB |
Output is correct |
25 |
Correct |
79 ms |
1032 KB |
Output is correct |
26 |
Correct |
63 ms |
604 KB |
Output is correct |
27 |
Correct |
103 ms |
792 KB |
Output is correct |
28 |
Correct |
106 ms |
600 KB |
Output is correct |
29 |
Correct |
117 ms |
792 KB |
Output is correct |
30 |
Correct |
105 ms |
796 KB |
Output is correct |
31 |
Correct |
91 ms |
776 KB |
Output is correct |
32 |
Correct |
122 ms |
796 KB |
Output is correct |
33 |
Correct |
114 ms |
804 KB |
Output is correct |
34 |
Correct |
114 ms |
600 KB |
Output is correct |
35 |
Correct |
127 ms |
792 KB |
Output is correct |
36 |
Correct |
136 ms |
776 KB |
Output is correct |