Submission #471407

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
471407	2021-09-09T03:46:42 Z	SirCovidThe19th	Nautilus (BOI19_nautilus)	C++17	100 / 100	230 ms	936 KB

nautilus

#include <bits/stdc++.h>
using namespace std; 

int main(){
    int n, m, op; cin >> n >> m >> op; n += 2, m += 2; bitset<255000> dp, ok;
    for (int i = 1; i < n - 1; i++)
        for (int j = 1; j < m - 1; j++){
            char c; cin >> c;
            if (c == '.') dp[i * m + j] = ok[i * m + j] = 1;
        }
    for (int i = 0; i < op; i++){
        char c; cin >> c;
        if (c == 'N') dp >>= m;
        if (c == 'S') dp <<= m;
        if (c == 'W') dp >>= 1;
        if (c == 'E') dp <<= 1;
        if (c == '?') dp = (dp << m) | (dp >> m) | (dp << 1) | (dp >> 1);
        dp &= ok;
    }
    cout<<dp.count()<<endl;
}

Subtask #1

29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	2 ms	460 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct

Subtask #2

37.0 / 37.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	2 ms	460 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	3 ms	588 KB	Output is correct
8	Correct	3 ms	588 KB	Output is correct
9	Correct	3 ms	588 KB	Output is correct
10	Correct	4 ms	580 KB	Output is correct
11	Correct	3 ms	576 KB	Output is correct
12	Correct	4 ms	604 KB	Output is correct
13	Correct	5 ms	588 KB	Output is correct
14	Correct	5 ms	716 KB	Output is correct
15	Correct	5 ms	576 KB	Output is correct
16	Correct	5 ms	588 KB	Output is correct
17	Correct	6 ms	588 KB	Output is correct
18	Correct	5 ms	576 KB	Output is correct
19	Correct	6 ms	588 KB	Output is correct
20	Correct	6 ms	588 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct

Subtask #3

34.0 / 34.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	2 ms	460 KB	Output is correct
2	Correct	2 ms	460 KB	Output is correct
3	Correct	2 ms	460 KB	Output is correct
4	Correct	2 ms	460 KB	Output is correct
5	Correct	2 ms	460 KB	Output is correct
6	Correct	2 ms	460 KB	Output is correct
7	Correct	3 ms	588 KB	Output is correct
8	Correct	3 ms	588 KB	Output is correct
9	Correct	3 ms	588 KB	Output is correct
10	Correct	4 ms	580 KB	Output is correct
11	Correct	3 ms	576 KB	Output is correct
12	Correct	4 ms	604 KB	Output is correct
13	Correct	5 ms	588 KB	Output is correct
14	Correct	5 ms	716 KB	Output is correct
15	Correct	5 ms	576 KB	Output is correct
16	Correct	5 ms	588 KB	Output is correct
17	Correct	6 ms	588 KB	Output is correct
18	Correct	5 ms	576 KB	Output is correct
19	Correct	6 ms	588 KB	Output is correct
20	Correct	6 ms	588 KB	Output is correct
21	Correct	6 ms	588 KB	Output is correct
22	Correct	108 ms	832 KB	Output is correct
23	Correct	110 ms	804 KB	Output is correct
24	Correct	110 ms	828 KB	Output is correct
25	Correct	105 ms	856 KB	Output is correct
26	Correct	104 ms	936 KB	Output is correct
27	Correct	187 ms	800 KB	Output is correct
28	Correct	180 ms	844 KB	Output is correct
29	Correct	179 ms	844 KB	Output is correct
30	Correct	176 ms	824 KB	Output is correct
31	Correct	175 ms	824 KB	Output is correct
32	Correct	228 ms	812 KB	Output is correct
33	Correct	230 ms	844 KB	Output is correct
34	Correct	229 ms	844 KB	Output is correct
35	Correct	229 ms	836 KB	Output is correct
36	Correct	225 ms	844 KB	Output is correct