#include <bits/stdc++.h>
#define rep(i,a,b) for(int i = a;i <= b;i++)
#define repd(i,a,b) for(int i = a;i >= b;i--)
using namespace std;
const int N = 512;
int r,c,m;
bool a[N][N];
bitset<512> dp[N],temp[N],grid[N];
int main()
{
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
// ifstream cin ("nautilus.inp");
cin >> r >> c >> m;
rep(i,0,r-1)
{
rep(j,0,c-1)
{
char k;
cin >> k;
if(k == '.')
{
grid[i][c - j - 1] = 1;
dp[i][c - j - 1] = 1;
}
}
}
rep(_,1,m)
{
char k;
cin >> k;
switch(k)
{
case 'N':
{
rep(i,1,r-1)
dp[i-1] = (dp[i] & grid[i-1]);
dp[r-1].reset();
break;
}
case 'E' :
{
rep(i,0,r-1)
{
dp[i] >>= 1;
dp[i] &= grid[i];
}
break;
}
case 'S':
{
repd(i,r-1,1)
dp[i] = (dp[i-1] & grid[i]);
dp[0].reset();
break;
}
case 'W':
{
rep(i,0,r-1)
{
dp[i] <<= 1;
dp[i] &= grid[i];
}
break;
}
default :
{
bitset<512> temp[N];
rep(i,1,r-1) temp[i-1] |= dp[i];
rep(i,0,r-1) temp[i] |= ((dp[i] >> 1) | (dp[i] << 1));
repd(i,r-1,1) temp[i] |= dp[i-1];
rep(i,0,r-1) temp[i] &= grid[i];
rep(i,0,r-1) dp[i] = temp[i];
}
}
}
int ans = 0;
rep(i,0,r-1)
{
rep(j,0,c-1) ans += dp[i][j];
}
cout << ans;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
504 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
3 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
504 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
3 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
4 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
3 ms |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
504 KB |
Output is correct |
16 |
Correct |
4 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
504 KB |
Output is correct |
18 |
Correct |
9 ms |
376 KB |
Output is correct |
19 |
Correct |
4 ms |
376 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
4 ms |
372 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
376 KB |
Output is correct |
3 |
Correct |
3 ms |
504 KB |
Output is correct |
4 |
Correct |
3 ms |
504 KB |
Output is correct |
5 |
Correct |
3 ms |
376 KB |
Output is correct |
6 |
Correct |
3 ms |
376 KB |
Output is correct |
7 |
Correct |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
3 ms |
376 KB |
Output is correct |
9 |
Correct |
3 ms |
376 KB |
Output is correct |
10 |
Correct |
4 ms |
376 KB |
Output is correct |
11 |
Correct |
3 ms |
504 KB |
Output is correct |
12 |
Correct |
4 ms |
376 KB |
Output is correct |
13 |
Correct |
3 ms |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
2 ms |
504 KB |
Output is correct |
16 |
Correct |
4 ms |
376 KB |
Output is correct |
17 |
Correct |
3 ms |
504 KB |
Output is correct |
18 |
Correct |
9 ms |
376 KB |
Output is correct |
19 |
Correct |
4 ms |
376 KB |
Output is correct |
20 |
Correct |
4 ms |
248 KB |
Output is correct |
21 |
Correct |
4 ms |
372 KB |
Output is correct |
22 |
Correct |
105 ms |
780 KB |
Output is correct |
23 |
Correct |
100 ms |
992 KB |
Output is correct |
24 |
Correct |
95 ms |
740 KB |
Output is correct |
25 |
Correct |
93 ms |
760 KB |
Output is correct |
26 |
Correct |
91 ms |
632 KB |
Output is correct |
27 |
Correct |
151 ms |
760 KB |
Output is correct |
28 |
Correct |
156 ms |
760 KB |
Output is correct |
29 |
Correct |
158 ms |
736 KB |
Output is correct |
30 |
Correct |
155 ms |
736 KB |
Output is correct |
31 |
Correct |
152 ms |
712 KB |
Output is correct |
32 |
Correct |
193 ms |
632 KB |
Output is correct |
33 |
Correct |
197 ms |
760 KB |
Output is correct |
34 |
Correct |
200 ms |
736 KB |
Output is correct |
35 |
Correct |
193 ms |
632 KB |
Output is correct |
36 |
Correct |
198 ms |
712 KB |
Output is correct |