#include <bits/stdc++.h>
//#include <ext/pb_ds/assoc_container.hpp>
//#include <ext/pb_ds/tree_policy.hpp>
#pragma GCC optimize("Ofast")
#pragma GCC target ("avx2")
typedef long long ll;
using namespace std;
//using namespace __gnu_pbds;
#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
//#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)
bitset<512> grid[501];
char ins[5001];
bitset<512> dp[2][512];
ll r,c,m;
bool valid(ll a, ll b){
if (0<=a && a<r && 0<=b && b<c) return true;
return false;
}
int main(){
cin >> r >> c >> m;
FOR(i,0,r){
string temp; cin >> temp;
FOR(j,0,c){
if (temp[j]=='.') grid[i][j] = 1;
else grid[i][j] = 0;
}
}
string temp; cin >> temp;
FOR(i,0,m) ins[i] = temp[i];
FOR(i,0,r){
FOR(j,0,c){
dp[0][i][j] = grid[i][j];
}
}
FOR(k,1,m+1){
if (ins[k-1] == 'W' || ins[k-1] == '?'){
FOR(i,0,r) dp[1][i] |= dp[0][i]>>1;
}
if (ins[k-1] == 'E' || ins[k-1] == '?'){
FOR(i,0,r) dp[1][i] |= dp[0][i]<<1;
}
if (ins[k-1] == 'S' || ins[k-1] == '?'){
FOR(i,1,r) dp[1][i] |= dp[0][i-1];
}
if (ins[k-1] == 'N' || ins[k-1] == '?'){
FOR(i,0,r) dp[1][i] |= dp[0][i+1];
}
FOR(i,0,r) dp[1][i] &= grid[i];
FOR(i,0,r) dp[0][i] = 0;
FOR(i,0,r) dp[0][i] = dp[1][i];
FOR(i,0,r) dp[1][i] = 0;
}
ll ans = 0;
FOR(i,0,r){
FOR(j,0,c){
if (dp[0][i][j] == 1) ans++;
}
}
cout << ans << endl;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
2 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
2 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
308 KB |
Output is correct |
| 12 |
Correct |
2 ms |
212 KB |
Output is correct |
| 13 |
Correct |
2 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
2 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
2 ms |
212 KB |
Output is correct |
| 18 |
Correct |
2 ms |
212 KB |
Output is correct |
| 19 |
Correct |
2 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
2 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
2 ms |
212 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
2 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
1 ms |
212 KB |
Output is correct |
| 7 |
Correct |
1 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
1 ms |
212 KB |
Output is correct |
| 11 |
Correct |
1 ms |
308 KB |
Output is correct |
| 12 |
Correct |
2 ms |
212 KB |
Output is correct |
| 13 |
Correct |
2 ms |
212 KB |
Output is correct |
| 14 |
Correct |
1 ms |
212 KB |
Output is correct |
| 15 |
Correct |
2 ms |
212 KB |
Output is correct |
| 16 |
Correct |
1 ms |
212 KB |
Output is correct |
| 17 |
Correct |
2 ms |
212 KB |
Output is correct |
| 18 |
Correct |
2 ms |
212 KB |
Output is correct |
| 19 |
Correct |
2 ms |
328 KB |
Output is correct |
| 20 |
Correct |
1 ms |
212 KB |
Output is correct |
| 21 |
Correct |
2 ms |
340 KB |
Output is correct |
| 22 |
Correct |
168 ms |
392 KB |
Output is correct |
| 23 |
Correct |
173 ms |
404 KB |
Output is correct |
| 24 |
Correct |
175 ms |
340 KB |
Output is correct |
| 25 |
Correct |
166 ms |
388 KB |
Output is correct |
| 26 |
Correct |
170 ms |
340 KB |
Output is correct |
| 27 |
Correct |
187 ms |
392 KB |
Output is correct |
| 28 |
Correct |
207 ms |
388 KB |
Output is correct |
| 29 |
Correct |
193 ms |
392 KB |
Output is correct |
| 30 |
Correct |
190 ms |
460 KB |
Output is correct |
| 31 |
Correct |
199 ms |
392 KB |
Output is correct |
| 32 |
Correct |
212 ms |
388 KB |
Output is correct |
| 33 |
Correct |
210 ms |
340 KB |
Output is correct |
| 34 |
Correct |
218 ms |
396 KB |
Output is correct |
| 35 |
Correct |
234 ms |
340 KB |
Output is correct |
| 36 |
Correct |
227 ms |
388 KB |
Output is correct |
