oj.uz

Submission #723054

# Submission time Handle Problem Language Result Execution time Memory
723054 2023-04-13T07:58:25 Z adrilen Nautilus (BOI19_nautilus) C++17
100 / 100
 256 ms 157784 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
typedef pair<int, int> pii;
constexpr int maxm = 5e3 + 1, maxa = 5e2 + 2;

bitset <maxa> ma[maxm][maxa];

vector<pii> dir[] = { vector<pii>{pii( -1, 0 )}, vector<pii>{pii( 1, 0 )}, vector<pii>{pii( 0, -1 )},
                    vector<pii>{pii( 0, 1 )}, vector<pii>{pii( -1, 0 ), pii(1, 0), pii(0, -1), pii(0, 1)}};

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);
    
    int r, c, m;
    cin >> r >> c >> m;

    string s;
    for (int y = 1; y <= r; y++)
    {
        cin >> s;
        for (int x = 1; x <= c; x++)
        {
            if (s[x - 1] == '.') ma[0][x][y] = true;
        }
    }
    int output;

    cin >> s;
    int typ;
    for (int i = 1; i <= m; i++)
    {
        if (s[i - 1]=='W') typ = 0;
        else if (s[i - 1]=='E') typ = 1;
        else if (s[i - 1]=='N') typ = 2; 
        else if (s[i - 1] == 'S') typ = 3;
        else typ = 4;

        // cout << dir[typ][0].first << " " << dir[typ][0].second << " " << dir[typ].size() <<"\n";

        if (typ == 0 || typ == 4)
        {
            for (int x = 1; x < c; x++) 
            {
                ma[i][x] |= (ma[0][x] & ma[i - 1][x + 1]); 
            }
        }
        if (typ == 1 || typ == 4)
        {
            for (int x = 2; x <= c; x++)
            {
                ma[i][x] |= (ma[0][x] & ma[i - 1][x - 1]);
            }
        }
        if (typ == 2 || typ == 4)
        {
            for (int x = 1; x <= c; x++)
            {
                ma[i][x] |= (ma[0][x] & (ma[i - 1][x] >> 1));
            }
        }
        if (typ == 3 || typ == 4)
        {
            for (int x = 1; x<= c; x++)
            {
                ma[i][x] |= (ma[0][x] & (ma[i - 1][x] << 1));
            }
        }
    }
    // for (int i = 0; i <= m; i++)
    // {
    //     cout << i <<"\n";
    //     for (int y = 1; y <= r; y ++) 
    //     {
    //         for (int x = 1; x <= c; x++) cout << ma[i][x][y];
    //         cout << "\n";
    //     }
    //     cout <<"\n";
    // }

    output = 0;
    for (int x = 1; x <= c; x++)
    {
        output += ma[m][x].count();
    }
    cout << output << "\n";

    //cerr << clock() / static_cast<double>(CLOCKS_PER_SEC) << "\n";
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1248 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Correct 1 ms 1236 KB Output is correct
6 Correct 1 ms 1236 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1248 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Correct 1 ms 1236 KB Output is correct
6 Correct 1 ms 1236 KB Output is correct
7 Correct 2 ms 1236 KB Output is correct
8 Correct 1 ms 1236 KB Output is correct
9 Correct 1 ms 1236 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1236 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 2 ms 1236 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 1 ms 1236 KB Output is correct
16 Correct 1 ms 1236 KB Output is correct
17 Correct 1 ms 1236 KB Output is correct
18 Correct 2 ms 1364 KB Output is correct
19 Correct 2 ms 1236 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 2 ms 1236 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1236 KB Output is correct
2 Correct 1 ms 1248 KB Output is correct
3 Correct 1 ms 1236 KB Output is correct
4 Correct 1 ms 1236 KB Output is correct
5 Correct 1 ms 1236 KB Output is correct
6 Correct 1 ms 1236 KB Output is correct
7 Correct 2 ms 1236 KB Output is correct
8 Correct 1 ms 1236 KB Output is correct
9 Correct 1 ms 1236 KB Output is correct
10 Correct 1 ms 1236 KB Output is correct
11 Correct 1 ms 1236 KB Output is correct
12 Correct 1 ms 1236 KB Output is correct
13 Correct 2 ms 1236 KB Output is correct
14 Correct 2 ms 1236 KB Output is correct
15 Correct 1 ms 1236 KB Output is correct
16 Correct 1 ms 1236 KB Output is correct
17 Correct 1 ms 1236 KB Output is correct
18 Correct 2 ms 1364 KB Output is correct
19 Correct 2 ms 1236 KB Output is correct
20 Correct 1 ms 1236 KB Output is correct
21 Correct 2 ms 1236 KB Output is correct
22 Correct 156 ms 157428 KB Output is correct
23 Correct 156 ms 157784 KB Output is correct
24 Correct 135 ms 157712 KB Output is correct
25 Correct 137 ms 157724 KB Output is correct
26 Correct 171 ms 157692 KB Output is correct
27 Correct 191 ms 157772 KB Output is correct
28 Correct 187 ms 157784 KB Output is correct
29 Correct 185 ms 157704 KB Output is correct
30 Correct 193 ms 157676 KB Output is correct
31 Correct 189 ms 157724 KB Output is correct
32 Correct 243 ms 157684 KB Output is correct
33 Correct 231 ms 157756 KB Output is correct
34 Correct 233 ms 157756 KB Output is correct
35 Correct 229 ms 157676 KB Output is correct
36 Correct 256 ms 157644 KB Output is correct