oj.uz

Submission #921419

# Submission time Handle Problem Language Result Execution time Memory
921419 2024-02-03T19:59:24 Z aykhn Nautilus (BOI19_nautilus) C++17
66 / 100
 18 ms 9092 KB 
#include <bits/stdc++.h>
 
// author: aykhn

using namespace std;

#define int long long
#define inf 0x3F3F3F3F

const int MXN = 1e2 + 5;

int n, m, K;
char mat[MXN][MXN];
int dp[MXN][MXN][MXN];
string s;

int A[4] = {0, 0, -1, 1};
int B[4] = {-1, 1, 0, 0};
int C[26], D[26];

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(nullptr);
    C['S' - 'A'] = -1;
    D['S' - 'A'] = 0;
    C['N' - 'A'] = 1;
    D['N' - 'A'] = 0;
    C['W' - 'A'] = 0;
    D['W' - 'A'] = 1;
    C['E' - 'A'] = 0;
    D['E' - 'A'] = -1;
    cin >> n >> m >> K;
    for (int i = 0; i < n; i++)
    {
        for (int j = 0; j < m; j++) 
        {
            cin >> mat[i][j];
            dp[0][i][j] = (mat[i][j] != '#');
        }
    }
    cin >> s;
    s = "#" + s;
    int res;
    for (int k = 1; k <= K; k++)
    {
        res = 0;
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < m; j++)
            {
                if (mat[i][j] == '#') continue;
                if (s[k] == '?')
                {
                    for (int l = 0; l < 4; l++)
                    {
                        int x = i + A[l], y = j + B[l];
                        if (x >= 0 && x < n && y >= 0 && y < m) dp[k][i][j] |= dp[k - 1][x][y];
                    }
                }
                else
                {
                    int x = i + C[s[k] - 'A'], y = j + D[s[k] - 'A'];
                    if (x >= 0 && x < n && y >= 0 && y < m) dp[k][i][j] |= dp[k - 1][x][y];
                }
                res += dp[k][i][j];
            }
        }
    }
    cout << res << '\n';
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9052 KB Output is correct
2 Correct 7 ms 8884 KB Output is correct
3 Correct 8 ms 8876 KB Output is correct
4 Correct 7 ms 9048 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 2 ms 1884 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9052 KB Output is correct
2 Correct 7 ms 8884 KB Output is correct
3 Correct 8 ms 8876 KB Output is correct
4 Correct 7 ms 9048 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 2 ms 1884 KB Output is correct
7 Correct 9 ms 9092 KB Output is correct
8 Correct 10 ms 9052 KB Output is correct
9 Correct 9 ms 8908 KB Output is correct
10 Correct 7 ms 9052 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 12 ms 9052 KB Output is correct
13 Correct 13 ms 9052 KB Output is correct
14 Correct 12 ms 9052 KB Output is correct
15 Correct 7 ms 9048 KB Output is correct
16 Correct 2 ms 1372 KB Output is correct
17 Correct 15 ms 9052 KB Output is correct
18 Correct 18 ms 9048 KB Output is correct
19 Correct 12 ms 9052 KB Output is correct
20 Correct 8 ms 9052 KB Output is correct
21 Correct 1 ms 1372 KB Output is correct

Subtask #3
0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 9052 KB Output is correct
2 Correct 7 ms 8884 KB Output is correct
3 Correct 8 ms 8876 KB Output is correct
4 Correct 7 ms 9048 KB Output is correct
5 Correct 5 ms 9052 KB Output is correct
6 Correct 2 ms 1884 KB Output is correct
7 Correct 9 ms 9092 KB Output is correct
8 Correct 10 ms 9052 KB Output is correct
9 Correct 9 ms 8908 KB Output is correct
10 Correct 7 ms 9052 KB Output is correct
11 Correct 1 ms 1372 KB Output is correct
12 Correct 12 ms 9052 KB Output is correct
13 Correct 13 ms 9052 KB Output is correct
14 Correct 12 ms 9052 KB Output is correct
15 Correct 7 ms 9048 KB Output is correct
16 Correct 2 ms 1372 KB Output is correct
17 Correct 15 ms 9052 KB Output is correct
18 Correct 18 ms 9048 KB Output is correct
19 Correct 12 ms 9052 KB Output is correct
20 Correct 8 ms 9052 KB Output is correct
21 Correct 1 ms 1372 KB Output is correct
22 Runtime error 1 ms 860 KB Execution killed with signal 11
23 Halted 0 ms 0 KB -