oj.uz

Submission #706857

# Submission time Handle Problem Language Result Execution time Memory
706857 2023-03-07T22:55:00 Z stevancv Nautilus (BOI19_nautilus) C++14
100 / 100
 139 ms 724 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 500 + 5;
const int inf = 2e9;
const int mod = 1e9 + 7;
bitset<N> a[N], dp[N];
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n, m, k;
    cin >> n >> m >> k;
    for (int i = 0; i < n; i++) {
        string s; cin >> s;
        for (int j = 0; j < m; j++) {
            if (s[j] == '.') a[i][j] = dp[i][j] = 1;
            else a[i][j] = dp[i][j] = 0;
        }
    }
    string str; cin >> str;
    for (int z = 0; z < k; z++) {
        char ch = str[z];
        bitset<N> ndp[N];
        for (int i = 0; i < n; i++) {
            if (ch == 'N' && i < n - 1) ndp[i] = dp[i + 1];
            if (ch == 'S' && i > 0) ndp[i] = dp[i - 1];
            if (ch == 'W') ndp[i] = (dp[i] >> 1);
            if (ch == 'E') ndp[i] = (dp[i] << 1);
            if (ch == '?') {
                if (i < n - 1) ndp[i] |= dp[i + 1];
                if (i > 0) ndp[i] |= dp[i - 1];
                ndp[i] |= (dp[i] << 1);
                ndp[i] |= (dp[i] >> 1);
            }
            ndp[i] &= a[i];
        }
        swap(dp, ndp);
    }
    int ans = 0;
    for (int i = 0; i < n; i++) ans += dp[i].count();
    cout << ans << en;
    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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 356 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 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 356 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 396 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 1 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 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 2 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 356 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 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 356 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 2 ms 396 KB Output is correct
19 Correct 2 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 2 ms 340 KB Output is correct
22 Correct 68 ms 604 KB Output is correct
23 Correct 70 ms 672 KB Output is correct
24 Correct 67 ms 724 KB Output is correct
25 Correct 65 ms 596 KB Output is correct
26 Correct 65 ms 596 KB Output is correct
27 Correct 105 ms 668 KB Output is correct
28 Correct 109 ms 664 KB Output is correct
29 Correct 119 ms 668 KB Output is correct
30 Correct 109 ms 668 KB Output is correct
31 Correct 103 ms 592 KB Output is correct
32 Correct 139 ms 676 KB Output is correct
33 Correct 132 ms 596 KB Output is correct
34 Correct 133 ms 672 KB Output is correct
35 Correct 133 ms 596 KB Output is correct
36 Correct 132 ms 596 KB Output is correct