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Submission #464557

# Submission time Handle Problem Language Result Execution time Memory
464557 2021-08-13T12:16:56 Z ewirlan Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 89 ms 5432 KB 
//Awesome Arrowland Adventure

#define _CTR_SECURE_NO_WARNINGS
#include <iostream>
#include <queue>
#include <utility>
#include <functional>
typedef long long int ll;
enum Kier
{
    N, E, S, W, M,
};
template <typename T> T in()
{
    T x;
    std::cin >> x;
    return x;
}
Kier in()
{
    char c(in<char>());
    switch (c)
    {
    case 'N':
        return N;
        break;
    case 'E':
        return E;
        break;
    case 'S':
        return S;
        break;
    case 'W':
        return W;
        break;
    default:
        return M;
        break;
    }
}
inline Kier ruch(Kier z, Kier d)
{
    return static_cast<Kier>((M + d - z) % M);
}
constexpr int maxn = 503;
int odp[maxn][maxn];
Kier arr[maxn][maxn];
int main()
{
    std::cin.tie(nullptr); std::cout.tie(nullptr); std::ios_base::sync_with_stdio(0);
    int n(in<int>()), m(in<int>());
    for (int i(0); i < n; ++i)for (int j(0); j < m; ++j)
    {
        Kier k(in());
        if (k == M) { if (i < n - 1 || j < m - 1)odp[i][j] = 1; }
        else arr[i][j] = k;
    }
    if (odp[0][0])
    {
        std::cout << -(n > 1 || m > 1) << '\n';
        return 0;
    }
    std::priority_queue <std::pair <int, std::pair <int, int>>> kul;
    kul.push({ -1,{ n - 1, m - 1 } });
    while (kul.size())
    {
        std::function <bool(int x, int y)> ok([n, m](int x, int y) -> bool
            {
                if (x < 0 || y < 0 || x >= n || y >= m)return 0;
                return !odp[x][y];
            });
        int x(kul.top().second.first);
        int y(kul.top().second.second);
        int odl(kul.top().first);
        kul.pop();
        if (odp[x][y])continue;
        odp[x][y] = odl;
        if (ok(x - 1, y))kul.push({odl - ruch(arr[x - 1][y], S), {x - 1, y} });
        if (ok(x + 1, y))kul.push({odl - ruch(arr[x + 1][y], N), {x + 1, y} });
        if (ok(x, y - 1))kul.push({odl - ruch(arr[x][y - 1], E), {x, y - 1} });
        if (ok(x, y + 1))kul.push({odl - ruch(arr[x][y + 1], W), {x, y + 1} });
    }
    std::cout << -odp[0][0] - 1 << '\n';
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 332 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 204 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 204 KB Output is correct
2 Correct 1 ms 204 KB Output is correct
3 Correct 1 ms 204 KB Output is correct
4 Correct 1 ms 204 KB Output is correct
5 Correct 1 ms 204 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 1 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 1 ms 204 KB Output is correct
10 Correct 1 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 0 ms 204 KB Output is correct
13 Correct 1 ms 320 KB Output is correct
14 Correct 1 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 1 ms 204 KB Output is correct
17 Correct 1 ms 204 KB Output is correct
18 Correct 1 ms 204 KB Output is correct
19 Correct 1 ms 204 KB Output is correct
20 Correct 1 ms 204 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 1 ms 204 KB Output is correct
23 Correct 1 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 1 ms 204 KB Output is correct
27 Correct 1 ms 204 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 204 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 332 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 204 KB Output is correct
35 Correct 1 ms 460 KB Output is correct
36 Correct 1 ms 332 KB Output is correct
37 Correct 7 ms 716 KB Output is correct
38 Correct 2 ms 1356 KB Output is correct
39 Correct 67 ms 2564 KB Output is correct
40 Correct 67 ms 2560 KB Output is correct
41 Correct 68 ms 2540 KB Output is correct
42 Correct 66 ms 2560 KB Output is correct
43 Correct 89 ms 5432 KB Output is correct
44 Correct 7 ms 2508 KB Output is correct