oj.uz

Submission #200597

# Submission time Handle Problem Language Result Execution time Memory
200597 2020-02-07T13:44:59 Z johutha Nautilus (BOI19_nautilus) C++17
100 / 100
 107 ms 760 KB 
#pragma GCC optimize("-Ofast")

#include <iostream>
#include <vector>
#include <algorithm>
#include <bitset>

#define int int64_t

using namespace std;

signed main()
{
    int r, c, m;
    cin >> r >> c >> m;

    vector<bitset<500>> tab;
    vector<bitset<500>> st(r, bitset<500>());
    vector<bitset<500>> old(r, bitset<500>());

    for (int i = 0; i < r; i++)
    {
        for (int j = 0; j < c; j++)
        {
            char ch;
            cin >> ch;
            st[i][j] = (ch == '.');
        }
    }

    tab = st;

    string seq;
    cin >> seq;

    for (int t = 0; t < m; t++)
    {
        swap(old, tab);
        for (int i = 0; i < r; i++)
        {
            tab[i] = 0;
            if ((seq[t] == 'S' || seq[t] == '?') && i > 0) tab[i] = tab[i] | old[i - 1];
            if (seq[t] == 'W' || seq[t] == '?') tab[i] = tab[i] | (old[i] >> 1);
            if ((seq[t] == 'N' || seq[t] == '?') && i + 1 < r) tab[i] = tab[i] | old[i + 1];
            if (seq[t] == 'E' || seq[t] == '?') tab[i] = tab[i] | (old[i] << 1);
            tab[i] &= st[i];
        }
        /*
        for (auto v : tab)
        {
            for (int i = 0; i < 10; i++)
            {
                cout << v[i];
            }
            cout << "\n";
        }
        cout << "\n";
        */
    }

    int res = 0;
    for (auto v : tab) res = res + v.count();
    cout << res << "\n";
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 376 KB Output is correct
2 Correct 6 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 376 KB Output is correct
2 Correct 6 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 6 ms 376 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 7 ms 376 KB Output is correct
14 Correct 6 ms 380 KB Output is correct
15 Correct 6 ms 248 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 6 ms 376 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 376 KB Output is correct
2 Correct 6 ms 376 KB Output is correct
3 Correct 6 ms 376 KB Output is correct
4 Correct 6 ms 376 KB Output is correct
5 Correct 6 ms 376 KB Output is correct
6 Correct 6 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 6 ms 376 KB Output is correct
9 Correct 6 ms 376 KB Output is correct
10 Correct 6 ms 376 KB Output is correct
11 Correct 6 ms 376 KB Output is correct
12 Correct 6 ms 376 KB Output is correct
13 Correct 7 ms 376 KB Output is correct
14 Correct 6 ms 380 KB Output is correct
15 Correct 6 ms 248 KB Output is correct
16 Correct 6 ms 376 KB Output is correct
17 Correct 6 ms 376 KB Output is correct
18 Correct 6 ms 376 KB Output is correct
19 Correct 6 ms 376 KB Output is correct
20 Correct 6 ms 376 KB Output is correct
21 Correct 6 ms 376 KB Output is correct
22 Correct 74 ms 480 KB Output is correct
23 Correct 73 ms 636 KB Output is correct
24 Correct 81 ms 760 KB Output is correct
25 Correct 75 ms 632 KB Output is correct
26 Correct 74 ms 632 KB Output is correct
27 Correct 86 ms 632 KB Output is correct
28 Correct 92 ms 760 KB Output is correct
29 Correct 88 ms 632 KB Output is correct
30 Correct 93 ms 632 KB Output is correct
31 Correct 89 ms 632 KB Output is correct
32 Correct 107 ms 632 KB Output is correct
33 Correct 106 ms 632 KB Output is correct
34 Correct 93 ms 632 KB Output is correct
35 Correct 96 ms 760 KB Output is correct
36 Correct 94 ms 632 KB Output is correct