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Submission #202662

# Submission time Handle Problem Language Result Execution time Memory
202662 2020-02-17T16:46:07 Z stefdasca Nautilus (BOI19_nautilus) C++14
100 / 100
 206 ms 1400 KB 
#include<bits/stdc++.h>
#define god dimasi5eks
#pragma GCC optimize("O3")
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define mod 1000000007
#define dancila 3.14159265359
#define eps 1e-9

// #define fisier 1

using namespace std;

typedef long long ll;

int n, m, k;

string s;
char mat[502][502];
bitset<502 * 502> dp, pos;

int main()
{

    #ifdef fisier
        ifstream f("input.in");
        ofstream g("output.out");
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> m >> k;
    for(int i = 1; i <= n; ++i)
        cin >> (mat[i] + 1);
    cin >> s;
    for(int i = 1; i <= n; ++i)
        for(int j = 1; j <= m; ++j)
            if(mat[i][j] != '#')
                dp[(i - 1) * (m + 1) + j] = 1;
    pos = dp;
    for(int i = 0; i < k; ++i)
    {
        if(s[i] == 'E')
            dp = (dp << 1) & pos;
        if(s[i] == 'W')
            dp = (dp >> 1) & pos;
        if(s[i] == 'N')
            dp = (dp >> (m + 1)) & pos;
        if(s[i] == 'S')
            dp = (dp << (m + 1)) & pos;
        if(s[i] == '?')
            dp = ((dp >> 1) | (dp << 1) | (dp >> (m + 1)) | (dp << (m + 1))) & pos;
    }
    cout << dp.count();
    return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 632 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 632 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 7 ms 1016 KB Output is correct
8 Correct 7 ms 760 KB Output is correct
9 Correct 7 ms 888 KB Output is correct
10 Correct 7 ms 892 KB Output is correct
11 Correct 7 ms 888 KB Output is correct
12 Correct 8 ms 892 KB Output is correct
13 Correct 9 ms 888 KB Output is correct
14 Correct 8 ms 888 KB Output is correct
15 Correct 8 ms 888 KB Output is correct
16 Correct 8 ms 888 KB Output is correct
17 Correct 9 ms 760 KB Output is correct
18 Correct 8 ms 760 KB Output is correct
19 Correct 8 ms 760 KB Output is correct
20 Correct 10 ms 760 KB Output is correct
21 Correct 9 ms 760 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 632 KB Output is correct
2 Correct 6 ms 632 KB Output is correct
3 Correct 6 ms 632 KB Output is correct
4 Correct 6 ms 632 KB Output is correct
5 Correct 6 ms 632 KB Output is correct
6 Correct 6 ms 632 KB Output is correct
7 Correct 7 ms 1016 KB Output is correct
8 Correct 7 ms 760 KB Output is correct
9 Correct 7 ms 888 KB Output is correct
10 Correct 7 ms 892 KB Output is correct
11 Correct 7 ms 888 KB Output is correct
12 Correct 8 ms 892 KB Output is correct
13 Correct 9 ms 888 KB Output is correct
14 Correct 8 ms 888 KB Output is correct
15 Correct 8 ms 888 KB Output is correct
16 Correct 8 ms 888 KB Output is correct
17 Correct 9 ms 760 KB Output is correct
18 Correct 8 ms 760 KB Output is correct
19 Correct 8 ms 760 KB Output is correct
20 Correct 10 ms 760 KB Output is correct
21 Correct 9 ms 760 KB Output is correct
22 Correct 99 ms 1016 KB Output is correct
23 Correct 90 ms 1272 KB Output is correct
24 Correct 93 ms 1324 KB Output is correct
25 Correct 92 ms 1352 KB Output is correct
26 Correct 87 ms 1272 KB Output is correct
27 Correct 149 ms 1272 KB Output is correct
28 Correct 146 ms 1272 KB Output is correct
29 Correct 161 ms 1400 KB Output is correct
30 Correct 144 ms 1272 KB Output is correct
31 Correct 146 ms 1272 KB Output is correct
32 Correct 186 ms 1144 KB Output is correct
33 Correct 200 ms 1300 KB Output is correct
34 Correct 197 ms 1232 KB Output is correct
35 Correct 206 ms 1272 KB Output is correct
36 Correct 183 ms 1144 KB Output is correct