# include <bits/stdc++.h>
using namespace std;
#define f first
#define s second
// #define int long long
#define free fre
#define pii pair <int, int>
#define pb push_back
const int N = 3e5 + 5;
int t,n,m,k;
bitset < 505 * 505 > dp, free;
//
main() {
cin>>n>>m>>k;
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
char ch; cin>>ch;
if (ch == '.') {
dp[(i - 1) * (m + 2) + j] = 1;
free[(i - 1) * (m + 2) + j] = 1;
}
}
}
string s; cin>>s;
s = "@" + s;
for (int i = 1; i <= k; i++) {
char ch = s[i];
if (ch == 'E') {
dp = (dp << 1) & free;
} else if (ch == 'W') {
dp = (dp >> 1) & free;
} else if (ch == 'S') {
dp = (dp << (m + 2)) & free;
} else if (ch == 'N') {
dp = (dp >> (m + 2)) & free;
} else dp = ((dp << 1) | (dp >> 1) | (dp << (m + 2)) | (dp >> (m + 2))) & free;
}
/*for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (dp[(i - 1) * (m + 2) + j]) cout<<1;else cout<<0;
}
cout<<"\n";
}*/
cout<<dp.count()<<"\n";
}
Compilation message
nautilus.cpp:13:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
13 | main() {
| ^~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
556 KB |
Output is correct |
2 |
Correct |
2 ms |
596 KB |
Output is correct |
3 |
Correct |
2 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
556 KB |
Output is correct |
2 |
Correct |
2 ms |
596 KB |
Output is correct |
3 |
Correct |
2 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
3 ms |
564 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
3 ms |
620 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
3 ms |
596 KB |
Output is correct |
12 |
Correct |
4 ms |
556 KB |
Output is correct |
13 |
Correct |
4 ms |
596 KB |
Output is correct |
14 |
Correct |
4 ms |
596 KB |
Output is correct |
15 |
Correct |
4 ms |
596 KB |
Output is correct |
16 |
Correct |
4 ms |
596 KB |
Output is correct |
17 |
Correct |
5 ms |
556 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
556 KB |
Output is correct |
20 |
Correct |
5 ms |
596 KB |
Output is correct |
21 |
Correct |
5 ms |
468 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
556 KB |
Output is correct |
2 |
Correct |
2 ms |
596 KB |
Output is correct |
3 |
Correct |
2 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
3 ms |
564 KB |
Output is correct |
8 |
Correct |
3 ms |
596 KB |
Output is correct |
9 |
Correct |
3 ms |
620 KB |
Output is correct |
10 |
Correct |
3 ms |
596 KB |
Output is correct |
11 |
Correct |
3 ms |
596 KB |
Output is correct |
12 |
Correct |
4 ms |
556 KB |
Output is correct |
13 |
Correct |
4 ms |
596 KB |
Output is correct |
14 |
Correct |
4 ms |
596 KB |
Output is correct |
15 |
Correct |
4 ms |
596 KB |
Output is correct |
16 |
Correct |
4 ms |
596 KB |
Output is correct |
17 |
Correct |
5 ms |
556 KB |
Output is correct |
18 |
Correct |
5 ms |
596 KB |
Output is correct |
19 |
Correct |
5 ms |
556 KB |
Output is correct |
20 |
Correct |
5 ms |
596 KB |
Output is correct |
21 |
Correct |
5 ms |
468 KB |
Output is correct |
22 |
Correct |
96 ms |
928 KB |
Output is correct |
23 |
Correct |
95 ms |
892 KB |
Output is correct |
24 |
Correct |
90 ms |
976 KB |
Output is correct |
25 |
Correct |
93 ms |
892 KB |
Output is correct |
26 |
Correct |
95 ms |
788 KB |
Output is correct |
27 |
Correct |
140 ms |
924 KB |
Output is correct |
28 |
Correct |
141 ms |
848 KB |
Output is correct |
29 |
Correct |
138 ms |
880 KB |
Output is correct |
30 |
Correct |
137 ms |
880 KB |
Output is correct |
31 |
Correct |
135 ms |
868 KB |
Output is correct |
32 |
Correct |
170 ms |
852 KB |
Output is correct |
33 |
Correct |
178 ms |
860 KB |
Output is correct |
34 |
Correct |
176 ms |
852 KB |
Output is correct |
35 |
Correct |
178 ms |
852 KB |
Output is correct |
36 |
Correct |
174 ms |
724 KB |
Output is correct |