#include<bits/stdc++.h>
#ifdef LOCAL
#include "Essentials/algo/debug.h"
#else
#define debug(...) 69
#endif
using namespace std;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
//https://quera.org/profile/4dykhk
typedef long long ll;
typedef long double ldb;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const int N = 500 + 23;
const ll mod = 1e9+7; // 998244353
const int LOG = 23;
const ll inf = 1e18;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
#define F first
#define S second
#define pb push_back
#define ms(x,y) memset((x) , (y) , sizeof (x))
#define done return cout<<endl , 0;
#define kill(x) cout<<x<<endl, exit(0);
#define isIn(x,s,e) ((x) >= (s) && (x) <= e)
#define all(x) x.begin(),x.end()
#define sz(x) (int)x.size()
#define pc(x) __builtin_popcount(x)
#define ctz(x) __builtin_ctz(x)
#define MinHeap(x) priority_queue<x, vector<x> , greater<x> >
#define MaxHeap(x) priority_queue<x, vector<x>>
#define lc (v << 1)
#define rc ((v<<1) |1)
#define int ll
ll pw(ll a, ll b, ll md = mod){ll res = 1; while(b){if(b&1){res=(a*res)%md;}a=(a*a)%md;b>>=1;}return(res);}
int n,m,k;
bitset<N*N> ok,dp;
int32_t main() {
cin.tie(nullptr)->sync_with_stdio(false);
cin>>n>>m>>k;
for(int i = 0 ; i < n ; i++) {
for(int j = 0 ;j < m;j ++) {
char c; cin>>c;
ok[i*N + j] = c == '.';
}
}
dp = ok;
for(int i = 0 ;i < k; i ++) {
char c; cin>>c;
if(c == 'E') dp = (dp << 1);
if(c == 'W') dp = (dp >> 1);
if(c == 'N') dp = (dp >> N);
if(c == 'S') dp = (dp << N);
if(c == '?') dp = ((dp << 1) | (dp >> 1) | (dp >> N) | (dp << N));
dp = dp & ok;
}
cout<<dp.count();
done;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
572 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
732 KB |
Output is correct |
5 |
Correct |
1 ms |
568 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
572 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
732 KB |
Output is correct |
5 |
Correct |
1 ms |
568 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
652 KB |
Output is correct |
8 |
Correct |
3 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Correct |
2 ms |
596 KB |
Output is correct |
11 |
Correct |
2 ms |
596 KB |
Output is correct |
12 |
Correct |
4 ms |
596 KB |
Output is correct |
13 |
Correct |
3 ms |
596 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
15 |
Correct |
4 ms |
608 KB |
Output is correct |
16 |
Correct |
3 ms |
564 KB |
Output is correct |
17 |
Correct |
3 ms |
568 KB |
Output is correct |
18 |
Correct |
3 ms |
596 KB |
Output is correct |
19 |
Correct |
3 ms |
596 KB |
Output is correct |
20 |
Correct |
3 ms |
596 KB |
Output is correct |
21 |
Correct |
3 ms |
596 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
596 KB |
Output is correct |
2 |
Correct |
1 ms |
572 KB |
Output is correct |
3 |
Correct |
1 ms |
596 KB |
Output is correct |
4 |
Correct |
2 ms |
732 KB |
Output is correct |
5 |
Correct |
1 ms |
568 KB |
Output is correct |
6 |
Correct |
1 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
652 KB |
Output is correct |
8 |
Correct |
3 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Correct |
2 ms |
596 KB |
Output is correct |
11 |
Correct |
2 ms |
596 KB |
Output is correct |
12 |
Correct |
4 ms |
596 KB |
Output is correct |
13 |
Correct |
3 ms |
596 KB |
Output is correct |
14 |
Correct |
3 ms |
596 KB |
Output is correct |
15 |
Correct |
4 ms |
608 KB |
Output is correct |
16 |
Correct |
3 ms |
564 KB |
Output is correct |
17 |
Correct |
3 ms |
568 KB |
Output is correct |
18 |
Correct |
3 ms |
596 KB |
Output is correct |
19 |
Correct |
3 ms |
596 KB |
Output is correct |
20 |
Correct |
3 ms |
596 KB |
Output is correct |
21 |
Correct |
3 ms |
596 KB |
Output is correct |
22 |
Correct |
63 ms |
892 KB |
Output is correct |
23 |
Correct |
66 ms |
888 KB |
Output is correct |
24 |
Correct |
79 ms |
852 KB |
Output is correct |
25 |
Correct |
63 ms |
852 KB |
Output is correct |
26 |
Correct |
61 ms |
888 KB |
Output is correct |
27 |
Correct |
119 ms |
892 KB |
Output is correct |
28 |
Correct |
103 ms |
892 KB |
Output is correct |
29 |
Correct |
103 ms |
892 KB |
Output is correct |
30 |
Correct |
103 ms |
896 KB |
Output is correct |
31 |
Correct |
103 ms |
852 KB |
Output is correct |
32 |
Correct |
131 ms |
888 KB |
Output is correct |
33 |
Correct |
131 ms |
832 KB |
Output is correct |
34 |
Correct |
131 ms |
884 KB |
Output is correct |
35 |
Correct |
131 ms |
892 KB |
Output is correct |
36 |
Correct |
134 ms |
852 KB |
Output is correct |