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Submission #547407

# Submission time Handle Problem Language Result Execution time Memory
547407 2022-04-10T16:07:43 Z Jomnoi Nautilus (BOI19_nautilus) C++17
100 / 100
 272 ms 924 KB 
#include <bits/stdc++.h>
#define DEBUG 0
using namespace std;

const int MAX_N = 5e2 + 10;

char S[MAX_N][MAX_N];
bitset <MAX_N> dp[MAX_N], tmp[MAX_N], original[MAX_N];

int main() {
    cin.tie(0)->sync_with_stdio(0);
    int R, C, M;
    cin >> R >> C >> M;
    for(int i = 1; i <= R; i++) {
        cin >> (S[i] + 1);
    }

    for(int i = 1; i <= R; i++) {
        for(int j = 1; j <= C; j++) {
            if(S[i][j] == '.') {
                original[i][j] = 1;
            }
        }
    }

    string d;
    cin >> d;
    for(int i = 1; i <= R; i++) {
        dp[i] = original[i];
    }
    for(auto v : d) {
        for(int i = 1; i <= R; i++) {
            tmp[i] = 0;
        }

        if(v == 'N' or v == '?') {
            for(int i = 1; i < R; i++) {
                tmp[i] |= dp[i + 1];
            }
        }
        if(v == 'E' or v == '?') {
            for(int i = 1; i <= R; i++) {
                tmp[i] |= (dp[i]<<1);
            }
        }
        if(v == 'S' or v == '?') {
            for(int i = 2; i <= R; i++) {
                tmp[i] |= dp[i - 1];
            }
        }
        if(v == 'W' or v == '?') {
            for(int i = 1; i <= R; i++) {
                tmp[i] |= (dp[i]>>1);
            }
        }

        for(int i = 1; i <= R; i++) {
            dp[i] = (tmp[i] & original[i]);
        }
    }

    int ans = 0;
    for(int i = 1; i <= R; i++) {
        ans += dp[i].count();
    }
    cout << ans;
    return 0;
}

Subtask #1
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct

Subtask #2
37.0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct

Subtask #3
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 2 ms 340 KB Output is correct
4 Correct 2 ms 340 KB Output is correct
5 Correct 2 ms 340 KB Output is correct
6 Correct 2 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 2 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 2 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 2 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 2 ms 340 KB Output is correct
15 Correct 2 ms 340 KB Output is correct
16 Correct 2 ms 340 KB Output is correct
17 Correct 2 ms 340 KB Output is correct
18 Correct 3 ms 340 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 3 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 183 ms 916 KB Output is correct
23 Correct 194 ms 920 KB Output is correct
24 Correct 195 ms 920 KB Output is correct
25 Correct 186 ms 920 KB Output is correct
26 Correct 181 ms 896 KB Output is correct
27 Correct 239 ms 852 KB Output is correct
28 Correct 215 ms 916 KB Output is correct
29 Correct 224 ms 924 KB Output is correct
30 Correct 260 ms 920 KB Output is correct
31 Correct 212 ms 900 KB Output is correct
32 Correct 271 ms 916 KB Output is correct
33 Correct 260 ms 916 KB Output is correct
34 Correct 266 ms 920 KB Output is correct
35 Correct 272 ms 924 KB Output is correct
36 Correct 252 ms 896 KB Output is correct