#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
#define fastio ios::sync_with_stdio(false), cin.tie(0)
#pragma GCC optimize("Ofast")
#define pb push_back
#define eb emplace_back
#define f first
#define s second
#define lowbit(x) x&-x
const int maxn = 2e5 + 5;
signed main(void){
fastio;
int r, c, m;
cin>>r>>c>>m;
vector<bitset<501>> st(r);
for(int i = 0; i < r; i++){
string s;
cin>>s;
for(int j = 0; j < c; j++){
if(s[j] == '.') st[i][j] = 1;
}
}
string op;
cin>>op;
vector<bitset<501>> cur(st);
for(int i = 0; i < m; i++){
vector<bitset<501>> nw(r);
if(op[i] == 'E' || op[i] == '?'){
for(int j = 0; j < r; j++){
nw[j] |= (cur[j] << 1);
nw[j] &= st[j];
}
}
if(op[i] == 'W' || op[i] == '?'){
for(int j = 0; j < r; j++){
nw[j] |= (cur[j] >> 1);
nw[j] &= st[j];
}
}
if(op[i] == 'N' || op[i] == '?'){
for(int j = r - 2; j >= 0; j--){
nw[j] |= cur[j + 1];
nw[j] &= st[j];
}
}
if(op[i] == 'S' || op[i] == '?'){
bitset<501> acc;
for(int j = 1; j < r; j++){
nw[j] |= cur[j - 1];
nw[j] &= st[j];
}
}
swap(cur, nw);
}
int ans = 0;
for(int i = 0; i < r; i++) ans += cur[i].count();
cout<<ans<<"\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 |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 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 |
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 |
344 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 |
348 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 |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 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 |
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 |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
344 KB |
Output is correct |
21 |
Correct |
1 ms |
348 KB |
Output is correct |
22 |
Correct |
47 ms |
604 KB |
Output is correct |
23 |
Correct |
47 ms |
604 KB |
Output is correct |
24 |
Correct |
46 ms |
604 KB |
Output is correct |
25 |
Correct |
47 ms |
600 KB |
Output is correct |
26 |
Correct |
44 ms |
604 KB |
Output is correct |
27 |
Correct |
71 ms |
804 KB |
Output is correct |
28 |
Correct |
71 ms |
600 KB |
Output is correct |
29 |
Correct |
81 ms |
800 KB |
Output is correct |
30 |
Correct |
75 ms |
848 KB |
Output is correct |
31 |
Correct |
70 ms |
604 KB |
Output is correct |
32 |
Correct |
91 ms |
604 KB |
Output is correct |
33 |
Correct |
97 ms |
832 KB |
Output is correct |
34 |
Correct |
91 ms |
804 KB |
Output is correct |
35 |
Correct |
95 ms |
604 KB |
Output is correct |
36 |
Correct |
90 ms |
604 KB |
Output is correct |