#include <bits/stdc++.h>
using namespace std;
const int kN = 500;
bitset<kN> grid[1 + kN + 1];
bitset<kN> dp[2][1 + kN + 1];
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, m, p;
cin >> n >> m >> p;
for (int i = 1; i <= n; ++i) {
string s;
cin >> s;
for (int j = 0; j < m; ++j) {
if (s[j] == '.') {
grid[i][j] = 1;
}
}
}
string moves;
cin >> moves;
for (int i = 1; i <= n; ++i) {
dp[0][i] = grid[i];
}
int t = 0;
for (int step = 0; step < p; ++step, t ^= 1) {
for (int i = 1; i <= n; ++i) {
dp[t ^ 1][i].reset();
if (moves[step] == 'N' || moves[step] == '?') {
dp[t ^ 1][i] |= dp[t][i + 1];
}
if (moves[step] == 'E' || moves[step] == '?') {
dp[t ^ 1][i] |= dp[t][i] << 1;
}
if (moves[step] == 'S' || moves[step] == '?') {
dp[t ^ 1][i] |= dp[t][i - 1];
}
if (moves[step] == 'W' || moves[step] == '?') {
dp[t ^ 1][i] |= dp[t][i] >> 1;
}
dp[t ^ 1][i] &= grid[i];
}
}
int res = 0;
for (int i = 1; i <= n; ++i) {
res += dp[t][i].count();
}
cout << res << '\n';
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
336 KB |
Output is correct |
| 5 |
Correct |
1 ms |
344 KB |
Output is correct |
| 6 |
Correct |
1 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
336 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
2 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
340 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
1 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
340 KB |
Output is correct |
| 17 |
Correct |
1 ms |
336 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
74 ms |
596 KB |
Output is correct |
| 23 |
Correct |
76 ms |
596 KB |
Output is correct |
| 24 |
Correct |
95 ms |
596 KB |
Output is correct |
| 25 |
Correct |
75 ms |
668 KB |
Output is correct |
| 26 |
Correct |
70 ms |
660 KB |
Output is correct |
| 27 |
Correct |
101 ms |
672 KB |
Output is correct |
| 28 |
Correct |
109 ms |
596 KB |
Output is correct |
| 29 |
Correct |
105 ms |
672 KB |
Output is correct |
| 30 |
Correct |
105 ms |
668 KB |
Output is correct |
| 31 |
Correct |
106 ms |
656 KB |
Output is correct |
| 32 |
Correct |
136 ms |
592 KB |
Output is correct |
| 33 |
Correct |
132 ms |
720 KB |
Output is correct |
| 34 |
Correct |
135 ms |
668 KB |
Output is correct |
| 35 |
Correct |
138 ms |
672 KB |
Output is correct |
| 36 |
Correct |
145 ms |
572 KB |
Output is correct |
