oj.uz

Submission #996433

# Submission time Handle Problem Language Result Execution time Memory
996433 2024-06-10T15:06:41 Z yanb Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 1916 ms 23892 KB 
#include <bits/stdc++.h>
    
using namespace std;
    
#define int long long
#define pii pair<long long, long long>
#define t3i tuple<long long, long long, long long>

const int MinVop = 6;

int calc(vector<int> &tri, int x, int l, string &tox) {
    if (l == x) {
        int v = 0;
        for (int i = 0; i < l; i++) {
            v *= 2;
            v += tri[i];
        }
        return tox[v] - '0';
    }
    if (tri[x] == 2) {
        int ans = 0;
        tri[x] = 0;
        ans += calc(tri, x + 1, l, tox);
        tri[x] = 1;
        ans += calc(tri, x + 1, l, tox);
        tri[x] = 2;
        return ans;
    }
    return calc(tri, x + 1, l, tox);
}

int build(vector<int> &tri, vector<int> &ans, string &tox, int l, int q) {
    int v = 0, vop = 0;
    for (int i = 0; i < l; i++) {
        v *= 3;
        v += tri[i];
        vop += (tri[i] == 2);
    }

    if (vop < MinVop) {
        vector<int> tri_(l);
        for (int i = 0; i < l; i++) tri_[i] = tri[i];
        ans[v] = calc(tri_, 0, l, tox);
    }

    if (ans[v] != -1) return ans[v];

    for (int i = 0; i < l; i++) {
        if (tri[i] == 2) {
            int cans = 0;
            tri[i] = 0;
            cans += build(tri, ans, tox, l, q);
            tri[i] = 1;
            cans += build(tri, ans, tox, l, q);
            tri[i] = 2;
            ans[v] = cans;
        }
    }

    return ans[v];
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int l, q;
    string tox;
    cin >> l >> q >> tox;
    
    vector<int> ans(pow(3, l) + 100, -1);
    vector<int> tri(l, 2);
    build(tri, ans, tox, l, q);

    while (q--) {
        string s;
        cin >> s;
        int v = 0, vop = 0;
        for (int i = 0; i < l; i++) {
            v *= 3;
            v += (s[i] == '?' ? 2 : s[i] - '0');
            vop += (s[i] == '?');
        }

        if (vop >= MinVop) {
            cout << ans[v] << "\n";
        } else {
            vector<int> tri(l);
            for (int i = 0; i < l; i++) tri[i] = (s[i] == '?' ? 2 : s[i] - '0');
            cout << calc(tri, 0, l, tox) << "\n";
        }
    }
}

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 15 ms 936 KB Output is correct
3 Correct 15 ms 932 KB Output is correct
4 Correct 22 ms 860 KB Output is correct
5 Correct 15 ms 860 KB Output is correct
6 Correct 15 ms 936 KB Output is correct
7 Correct 15 ms 860 KB Output is correct
8 Correct 15 ms 928 KB Output is correct
9 Correct 15 ms 860 KB Output is correct
10 Correct 15 ms 856 KB Output is correct

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 15 ms 936 KB Output is correct
3 Correct 15 ms 932 KB Output is correct
4 Correct 22 ms 860 KB Output is correct
5 Correct 15 ms 860 KB Output is correct
6 Correct 15 ms 936 KB Output is correct
7 Correct 15 ms 860 KB Output is correct
8 Correct 15 ms 928 KB Output is correct
9 Correct 15 ms 860 KB Output is correct
10 Correct 15 ms 856 KB Output is correct
11 Correct 526 ms 4688 KB Output is correct
12 Correct 386 ms 4568 KB Output is correct
13 Correct 264 ms 3644 KB Output is correct
14 Correct 263 ms 3920 KB Output is correct
15 Correct 167 ms 4716 KB Output is correct
16 Correct 342 ms 4036 KB Output is correct
17 Correct 351 ms 4020 KB Output is correct
18 Correct 118 ms 5788 KB Output is correct
19 Correct 141 ms 2896 KB Output is correct
20 Correct 339 ms 4436 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 15 ms 936 KB Output is correct
3 Correct 15 ms 932 KB Output is correct
4 Correct 22 ms 860 KB Output is correct
5 Correct 15 ms 860 KB Output is correct
6 Correct 15 ms 936 KB Output is correct
7 Correct 15 ms 860 KB Output is correct
8 Correct 15 ms 928 KB Output is correct
9 Correct 15 ms 860 KB Output is correct
10 Correct 15 ms 856 KB Output is correct
11 Correct 526 ms 4688 KB Output is correct
12 Correct 386 ms 4568 KB Output is correct
13 Correct 264 ms 3644 KB Output is correct
14 Correct 263 ms 3920 KB Output is correct
15 Correct 167 ms 4716 KB Output is correct
16 Correct 342 ms 4036 KB Output is correct
17 Correct 351 ms 4020 KB Output is correct
18 Correct 118 ms 5788 KB Output is correct
19 Correct 141 ms 2896 KB Output is correct
20 Correct 339 ms 4436 KB Output is correct
21 Correct 1282 ms 16788 KB Output is correct
22 Correct 1452 ms 16976 KB Output is correct
23 Correct 1569 ms 16100 KB Output is correct
24 Correct 1549 ms 15956 KB Output is correct
25 Correct 1254 ms 17812 KB Output is correct
26 Correct 1605 ms 16288 KB Output is correct
27 Correct 1561 ms 16208 KB Output is correct
28 Correct 1232 ms 18832 KB Output is correct
29 Correct 1251 ms 14932 KB Output is correct
30 Correct 1411 ms 17052 KB Output is correct
31 Correct 1248 ms 16804 KB Output is correct
32 Correct 1916 ms 23888 KB Output is correct
33 Correct 1452 ms 22972 KB Output is correct
34 Correct 1626 ms 23124 KB Output is correct
35 Correct 1584 ms 23360 KB Output is correct
36 Correct 1252 ms 21968 KB Output is correct
37 Correct 1273 ms 23892 KB Output is correct
38 Correct 1303 ms 22100 KB Output is correct
39 Correct 1537 ms 23240 KB Output is correct
40 Correct 1566 ms 23124 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 15 ms 936 KB Output is correct
3 Correct 15 ms 932 KB Output is correct
4 Correct 22 ms 860 KB Output is correct
5 Correct 15 ms 860 KB Output is correct
6 Correct 15 ms 936 KB Output is correct
7 Correct 15 ms 860 KB Output is correct
8 Correct 15 ms 928 KB Output is correct
9 Correct 15 ms 860 KB Output is correct
10 Correct 15 ms 856 KB Output is correct
11 Runtime error 4 ms 2812 KB Execution killed with signal 6
12 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 860 KB Output is correct
2 Correct 15 ms 936 KB Output is correct
3 Correct 15 ms 932 KB Output is correct
4 Correct 22 ms 860 KB Output is correct
5 Correct 15 ms 860 KB Output is correct
6 Correct 15 ms 936 KB Output is correct
7 Correct 15 ms 860 KB Output is correct
8 Correct 15 ms 928 KB Output is correct
9 Correct 15 ms 860 KB Output is correct
10 Correct 15 ms 856 KB Output is correct
11 Correct 526 ms 4688 KB Output is correct
12 Correct 386 ms 4568 KB Output is correct
13 Correct 264 ms 3644 KB Output is correct
14 Correct 263 ms 3920 KB Output is correct
15 Correct 167 ms 4716 KB Output is correct
16 Correct 342 ms 4036 KB Output is correct
17 Correct 351 ms 4020 KB Output is correct
18 Correct 118 ms 5788 KB Output is correct
19 Correct 141 ms 2896 KB Output is correct
20 Correct 339 ms 4436 KB Output is correct
21 Correct 1282 ms 16788 KB Output is correct
22 Correct 1452 ms 16976 KB Output is correct
23 Correct 1569 ms 16100 KB Output is correct
24 Correct 1549 ms 15956 KB Output is correct
25 Correct 1254 ms 17812 KB Output is correct
26 Correct 1605 ms 16288 KB Output is correct
27 Correct 1561 ms 16208 KB Output is correct
28 Correct 1232 ms 18832 KB Output is correct
29 Correct 1251 ms 14932 KB Output is correct
30 Correct 1411 ms 17052 KB Output is correct
31 Correct 1248 ms 16804 KB Output is correct
32 Correct 1916 ms 23888 KB Output is correct
33 Correct 1452 ms 22972 KB Output is correct
34 Correct 1626 ms 23124 KB Output is correct
35 Correct 1584 ms 23360 KB Output is correct
36 Correct 1252 ms 21968 KB Output is correct
37 Correct 1273 ms 23892 KB Output is correct
38 Correct 1303 ms 22100 KB Output is correct
39 Correct 1537 ms 23240 KB Output is correct
40 Correct 1566 ms 23124 KB Output is correct
41 Runtime error 4 ms 2812 KB Execution killed with signal 6
42 Halted 0 ms 0 KB -