oj.uz

Submission #996396

# Submission time Handle Problem Language Result Execution time Memory
996396 2024-06-10T14:37:40 Z yanb Snake Escaping (JOI18_snake_escaping) C++14
22 / 100
 352 ms 32452 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>

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

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

    bool ok = 0;
    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;
            ok = 1;
        }
    }

    if (!ok) {
        int bin = 0;
        for (int i = 0; i < l; i++) {
            bin *= 2;
            bin += tri[i];
        }
        ans[v] = tox[bin] - '0';
    }

    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;
        for (int i = 0; i < l; i++) {
            v *= 3;
            v += (s[i] == '?' ? 2 : s[i] - '0');
        }
        cout << ans[v] << "\n";
    }
}

Subtask #1
5.0 / 5.0

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

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 860 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 4 ms 860 KB Output is correct
4 Correct 4 ms 856 KB Output is correct
5 Correct 4 ms 860 KB Output is correct
6 Correct 4 ms 856 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 860 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 5 ms 860 KB Output is correct
11 Correct 136 ms 15572 KB Output is correct
12 Correct 148 ms 15188 KB Output is correct
13 Correct 129 ms 14392 KB Output is correct
14 Correct 136 ms 14416 KB Output is correct
15 Correct 130 ms 15444 KB Output is correct
16 Correct 143 ms 14620 KB Output is correct
17 Correct 140 ms 14672 KB Output is correct
18 Correct 96 ms 16468 KB Output is correct
19 Correct 102 ms 13588 KB Output is correct
20 Correct 141 ms 15188 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 860 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 4 ms 860 KB Output is correct
4 Correct 4 ms 856 KB Output is correct
5 Correct 4 ms 860 KB Output is correct
6 Correct 4 ms 856 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 860 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 5 ms 860 KB Output is correct
11 Correct 136 ms 15572 KB Output is correct
12 Correct 148 ms 15188 KB Output is correct
13 Correct 129 ms 14392 KB Output is correct
14 Correct 136 ms 14416 KB Output is correct
15 Correct 130 ms 15444 KB Output is correct
16 Correct 143 ms 14620 KB Output is correct
17 Correct 140 ms 14672 KB Output is correct
18 Correct 96 ms 16468 KB Output is correct
19 Correct 102 ms 13588 KB Output is correct
20 Correct 141 ms 15188 KB Output is correct
21 Correct 298 ms 30544 KB Output is correct
22 Correct 313 ms 30800 KB Output is correct
23 Correct 287 ms 29776 KB Output is correct
24 Correct 285 ms 29652 KB Output is correct
25 Correct 299 ms 31428 KB Output is correct
26 Correct 333 ms 30032 KB Output is correct
27 Correct 314 ms 29892 KB Output is correct
28 Correct 259 ms 32452 KB Output is correct
29 Correct 275 ms 28612 KB Output is correct
30 Correct 310 ms 30804 KB Output is correct
31 Correct 297 ms 30416 KB Output is correct
32 Correct 294 ms 30400 KB Output is correct
33 Correct 287 ms 29524 KB Output is correct
34 Correct 289 ms 29656 KB Output is correct
35 Correct 352 ms 29908 KB Output is correct
36 Correct 268 ms 28632 KB Output is correct
37 Correct 296 ms 30484 KB Output is correct
38 Correct 281 ms 28568 KB Output is correct
39 Correct 304 ms 29780 KB Output is correct
40 Correct 303 ms 29632 KB Output is correct

Subtask #4
0 / 53.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 860 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 4 ms 860 KB Output is correct
4 Correct 4 ms 856 KB Output is correct
5 Correct 4 ms 860 KB Output is correct
6 Correct 4 ms 856 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 860 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 5 ms 860 KB Output is correct
11 Runtime error 5 ms 4096 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 4 ms 860 KB Output is correct
2 Correct 4 ms 860 KB Output is correct
3 Correct 4 ms 860 KB Output is correct
4 Correct 4 ms 856 KB Output is correct
5 Correct 4 ms 860 KB Output is correct
6 Correct 4 ms 856 KB Output is correct
7 Correct 4 ms 860 KB Output is correct
8 Correct 4 ms 860 KB Output is correct
9 Correct 4 ms 860 KB Output is correct
10 Correct 5 ms 860 KB Output is correct
11 Correct 136 ms 15572 KB Output is correct
12 Correct 148 ms 15188 KB Output is correct
13 Correct 129 ms 14392 KB Output is correct
14 Correct 136 ms 14416 KB Output is correct
15 Correct 130 ms 15444 KB Output is correct
16 Correct 143 ms 14620 KB Output is correct
17 Correct 140 ms 14672 KB Output is correct
18 Correct 96 ms 16468 KB Output is correct
19 Correct 102 ms 13588 KB Output is correct
20 Correct 141 ms 15188 KB Output is correct
21 Correct 298 ms 30544 KB Output is correct
22 Correct 313 ms 30800 KB Output is correct
23 Correct 287 ms 29776 KB Output is correct
24 Correct 285 ms 29652 KB Output is correct
25 Correct 299 ms 31428 KB Output is correct
26 Correct 333 ms 30032 KB Output is correct
27 Correct 314 ms 29892 KB Output is correct
28 Correct 259 ms 32452 KB Output is correct
29 Correct 275 ms 28612 KB Output is correct
30 Correct 310 ms 30804 KB Output is correct
31 Correct 297 ms 30416 KB Output is correct
32 Correct 294 ms 30400 KB Output is correct
33 Correct 287 ms 29524 KB Output is correct
34 Correct 289 ms 29656 KB Output is correct
35 Correct 352 ms 29908 KB Output is correct
36 Correct 268 ms 28632 KB Output is correct
37 Correct 296 ms 30484 KB Output is correct
38 Correct 281 ms 28568 KB Output is correct
39 Correct 304 ms 29780 KB Output is correct
40 Correct 303 ms 29632 KB Output is correct
41 Runtime error 5 ms 4096 KB Execution killed with signal 6
42 Halted 0 ms 0 KB -