oj.uz

Submission #792541

# Submission time Handle Problem Language Result Execution time Memory
792541 2023-07-25T06:41:59 Z vjudge1 Lamps (JOI19_lamps) C++17
6 / 100
 337 ms 262144 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;

int len;
int s, t;

const int N = (1 << 19);

int get_num(string s) {
    int res = 0;
    for(int i = (int)s.size() - 1, pw = 1; i >= 0; i--, pw *= 2) {
        if(s[i] == '1') res += pw;
    }
    return res;
}
vector<int> g1, g2;
int dist[N];
vector<bool> vis(N);

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin >> len;
    string s0, t0;
    cin >> s0 >> t0;
    s = get_num(s0), t = get_num(t0);
    for(int i = 0; i < len; i++) {
        int x = 0;
        for(int j = i; j < len; j++) {
            x |= (1 << j);
            g1.push_back(x);
            g2.push_back((((1 << len) - 1) ^ x));
        }
    }
    queue<int> q;
    q.push(s);
    vis[s] = 1;
    while(!q.empty()) {
        int cur = q.front();
        if(cur == t) break;
        q.pop();
        for(int c : g1) {
            int to = (cur | c);
            if(!vis[to]) q.push(to), dist[to] = dist[cur] + 1, vis[to] = 1;
            to = (cur ^ c);
            if(!vis[to]) q.push(to), dist[to] = dist[cur] + 1, vis[to] = 1;
        }
        for(int c : g2) {
            int to = (cur & c);
            if(!vis[to]) q.push(to), dist[to] = dist[cur] + 1, vis[to] = 1;
        }
    }
    cout << dist[t];
    return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 ms 340 KB Output is correct
8 Correct 142 ms 1804 KB Output is correct
9 Correct 148 ms 1816 KB Output is correct
10 Correct 57 ms 1076 KB Output is correct
11 Correct 58 ms 1116 KB Output is correct
12 Correct 11 ms 1788 KB Output is correct
13 Correct 49 ms 1184 KB Output is correct
14 Correct 40 ms 1844 KB Output is correct
15 Correct 41 ms 1108 KB Output is correct
16 Correct 63 ms 1912 KB Output is correct
17 Correct 48 ms 1272 KB Output is correct
18 Correct 26 ms 1880 KB Output is correct
19 Correct 13 ms 1140 KB Output is correct
20 Correct 102 ms 1924 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 32 ms 1864 KB Output is correct
23 Correct 27 ms 1168 KB Output is correct
24 Correct 3 ms 1492 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 46 ms 1964 KB Output is correct
27 Correct 22 ms 1148 KB Output is correct
28 Correct 6 ms 724 KB Output is correct
29 Correct 113 ms 1876 KB Output is correct
30 Correct 41 ms 1108 KB Output is correct
31 Correct 3 ms 724 KB Output is correct
32 Correct 24 ms 1828 KB Output is correct
33 Correct 48 ms 1140 KB Output is correct
34 Correct 18 ms 780 KB Output is correct

Subtask #2
0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 ms 340 KB Output is correct
8 Correct 142 ms 1804 KB Output is correct
9 Correct 148 ms 1816 KB Output is correct
10 Correct 57 ms 1076 KB Output is correct
11 Correct 58 ms 1116 KB Output is correct
12 Correct 11 ms 1788 KB Output is correct
13 Correct 49 ms 1184 KB Output is correct
14 Correct 40 ms 1844 KB Output is correct
15 Correct 41 ms 1108 KB Output is correct
16 Correct 63 ms 1912 KB Output is correct
17 Correct 48 ms 1272 KB Output is correct
18 Correct 26 ms 1880 KB Output is correct
19 Correct 13 ms 1140 KB Output is correct
20 Correct 102 ms 1924 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 32 ms 1864 KB Output is correct
23 Correct 27 ms 1168 KB Output is correct
24 Correct 3 ms 1492 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 46 ms 1964 KB Output is correct
27 Correct 22 ms 1148 KB Output is correct
28 Correct 6 ms 724 KB Output is correct
29 Correct 113 ms 1876 KB Output is correct
30 Correct 41 ms 1108 KB Output is correct
31 Correct 3 ms 724 KB Output is correct
32 Correct 24 ms 1828 KB Output is correct
33 Correct 48 ms 1140 KB Output is correct
34 Correct 18 ms 780 KB Output is correct
35 Runtime error 33 ms 32744 KB Execution killed with signal 11
36 Halted 0 ms 0 KB -

Subtask #3
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 384 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Runtime error 337 ms 262144 KB Execution killed with signal 9
8 Halted 0 ms 0 KB -

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 0 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 1 ms 340 KB Output is correct
8 Correct 142 ms 1804 KB Output is correct
9 Correct 148 ms 1816 KB Output is correct
10 Correct 57 ms 1076 KB Output is correct
11 Correct 58 ms 1116 KB Output is correct
12 Correct 11 ms 1788 KB Output is correct
13 Correct 49 ms 1184 KB Output is correct
14 Correct 40 ms 1844 KB Output is correct
15 Correct 41 ms 1108 KB Output is correct
16 Correct 63 ms 1912 KB Output is correct
17 Correct 48 ms 1272 KB Output is correct
18 Correct 26 ms 1880 KB Output is correct
19 Correct 13 ms 1140 KB Output is correct
20 Correct 102 ms 1924 KB Output is correct
21 Correct 1 ms 852 KB Output is correct
22 Correct 32 ms 1864 KB Output is correct
23 Correct 27 ms 1168 KB Output is correct
24 Correct 3 ms 1492 KB Output is correct
25 Correct 2 ms 980 KB Output is correct
26 Correct 46 ms 1964 KB Output is correct
27 Correct 22 ms 1148 KB Output is correct
28 Correct 6 ms 724 KB Output is correct
29 Correct 113 ms 1876 KB Output is correct
30 Correct 41 ms 1108 KB Output is correct
31 Correct 3 ms 724 KB Output is correct
32 Correct 24 ms 1828 KB Output is correct
33 Correct 48 ms 1140 KB Output is correct
34 Correct 18 ms 780 KB Output is correct
35 Runtime error 33 ms 32744 KB Execution killed with signal 11
36 Halted 0 ms 0 KB -