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Submission #865819

# Submission time Handle Problem Language Result Execution time Memory
865819 2023-10-24T18:48:41 Z Charizard2021 Nautilus (BOI19_nautilus) C++17
100 / 100
 146 ms 1008 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 501;
int main() {
    int n, m, k;
    cin >> n >> m >> k;
    bitset<N> dp[2][1 + N];
    bitset<N> grid[1 + N];
    for(int i = 1; i <= n; i++){
        for(int j = 0; j < m; j++){
            char c;
            cin >> c;
            if(c == '.'){
                grid[i].set(j, 1);
                dp[0][i].set(j, 1);
            }
            else{
                grid[i].set(j, 0);
                dp[0][i].set(j, 0);
            }
        }
    }
    string s;
    cin >> s;
    for(int i = 1; i <= k; i++){
        for(int j = 1; j <= n; j++){
            if(s[i - 1] == 'W'){
                dp[i % 2][j] = grid[j] & (dp[1 - i % 2][j] >> 1);
            }
            else if(s[i - 1] == 'E'){
                dp[i % 2][j] = grid[j] & (dp[1 - i % 2][j] << 1);
            }
            else if(s[i - 1] == 'N'){
                dp[i % 2][j] = grid[j] & dp[1 - i % 2][j + 1];
            }
            else if(s[i - 1] == 'S'){
                dp[i % 2][j] = grid[j] & dp[1 - i % 2][j - 1];
            }
            else{
                dp[i % 2][j] = grid[j] & ((dp[1 - i % 2][j] >> 1) | (dp[1 - i % 2][j] << 1) | (dp[1 - i % 2][j + 1]) | (dp[1 - i % 2][j - 1]));
            }
        }
    }
    int ans = 0;
    for(int i = 1; i <= n; i++){
        ans += dp[k % 2][i].count();
    }
    cout << ans << "\n";
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 536 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 420 KB Output is correct
21 Correct 1 ms 348 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 536 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 420 KB Output is correct
21 Correct 1 ms 348 KB Output is correct
22 Correct 80 ms 768 KB Output is correct
23 Correct 84 ms 780 KB Output is correct
24 Correct 81 ms 764 KB Output is correct
25 Correct 80 ms 604 KB Output is correct
26 Correct 78 ms 604 KB Output is correct
27 Correct 113 ms 768 KB Output is correct
28 Correct 115 ms 600 KB Output is correct
29 Correct 116 ms 604 KB Output is correct
30 Correct 115 ms 604 KB Output is correct
31 Correct 113 ms 772 KB Output is correct
32 Correct 145 ms 1008 KB Output is correct
33 Correct 141 ms 764 KB Output is correct
34 Correct 146 ms 604 KB Output is correct
35 Correct 144 ms 600 KB Output is correct
36 Correct 140 ms 764 KB Output is correct