#undef _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define int long long
#define pb push_back
#define fi first
#define si second
#define ar array
typedef pair<int,int> pi;
typedef tuple<int,int,int> ti;
void debug_out() {cerr<<endl;}
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {cerr<<" "<<to_string(H);debug_out(T...);}
#define debug(...) cerr<<"["<<#__VA_ARGS__<<"]:",debug_out(__VA_ARGS__)
// O(RCM)
int R, C, M, dp[510][510][510], ans;
char A[510][510], ops[510];
inline bool can(int x, int y) {
return A[x][y] == '.';
}
signed main() {
fast;
cin >> R >> C >> M;
assert(M <= 100);
for (int i = 1; i <= R; ++i) {
for (int j = 1; j <= C; ++j) {
cin >> A[i][j];
dp[i][j][1] = (A[i][j] == '.');
}
}
for (int i = 1; i <= M; ++i) cin >> ops[i];
for (int k = 2; k <= M; ++k) {
for (int i = 1; i <= R; ++i) {
for (int j = 1; j <= C; ++j) {
if (A[i][j] == '#') continue;
if (ops[k] == 'N' || ops[k] == '?') dp[i][j][k] += (dp[i - 1][j][k - 1] && can(i - 1, j));
if (ops[k] == 'E' || ops[k] == '?') dp[i][j][k] += (dp[i][j - 1][k - 1] && can(i, j - 1));
if (ops[k] == 'W' || ops[k] == '?') dp[i][j][k] += (dp[i][j + 1][k - 1] && can(i, j + 1));
if (ops[k] == 'S' || ops[k] == '?') dp[i][j][k] += (dp[i + 1][j][k - 1] && can(i + 1, j));
}
}
}
for (int i = 1; i <= R; ++i) {
for (int j = 1; j <= C; ++j) {
ans += (dp[i][j][M] > 0);
}
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
40648 KB |
Output is correct |
2 |
Correct |
23 ms |
40560 KB |
Output is correct |
3 |
Incorrect |
23 ms |
40616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
40648 KB |
Output is correct |
2 |
Correct |
23 ms |
40560 KB |
Output is correct |
3 |
Incorrect |
23 ms |
40616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
23 ms |
40648 KB |
Output is correct |
2 |
Correct |
23 ms |
40560 KB |
Output is correct |
3 |
Incorrect |
23 ms |
40616 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |