oj.uz

Submission #738973

# Submission time Handle Problem Language Result Execution time Memory
738973 2023-05-09T17:53:00 Z He_Huanglu Maze (JOI23_ho_t3) C++17
43 / 100
 1128 ms 20192 KB 
#include <bits/stdc++.h>
#define ii pair<int, int>
#define fi first
#define se second
using namespace std;

const int N = 1005;
int n, m, s, rs, cs, re, ce;
int dx[4] = {1, 0, -1, 0};
int dy[4] = {0, 1, 0, -1};
vector <int> f[N], a[N];
queue <ii> q[2];

main () {
    cin.tie(0)->sync_with_stdio(0);
    if(fopen("task.inp", "r")) {
        freopen("task.inp", "r", stdin);
        freopen("wa.out", "w", stdout);
    }
    cin >> m >> n >> s >> rs >> cs >> re >> ce;
    for(int i = 1; i <= m; i++) a[i].resize(n + 1), f[i].resize(n + 1);
    for(int i = 1; i <= m; i++) {
        for(int j = 1; j <= n; j++) {
            char ch; cin >> ch;
            a[i][j] = (ch == '.' ? 1 : 0);
        }
    }
//    cout << " ^^\n";
    q[1].push({rs, cs}); f[rs][cs] = 1;
    while (!q[1].empty() || !q[0].empty()) {
//        cout << "ngu\n";
        while (!q[1].empty()) {
            int x, y; tie(x, y) = q[1].front(); q[1].pop();
//            cout << x << " " << y << " " << f[x][y] << " \n";
            q[0].push({x, y});
            if(x == re && y == ce) return cout << f[x][y] - 1 << "\n", 0;
            for(int i = 0; i < 4; i++) {
                int u = x + dx[i], v = y + dy[i];
                if(u && u <= m && v && v <= n && !f[u][v] && a[u][v]) {
                    f[u][v] = f[x][y];
                    q[1].push({u, v});
                }
            }
        }
        while (!q[0].empty()) {
            int x, y; tie(x, y) = q[0].front(); q[0].pop();
//            cout << x << " " << y << "\n";
            int s1 = max(1, x - s), s2 = max(1, y - s);
            int s3 = min(m, x + s), s4 = min(n, y + s);
            for(int i = s1; i <= s3; i++) {
                for(int j = s2; j <= s4; j++) if(!f[i][j]) {
                    if(i == x - s && (j == y - s || j == y + s)) continue ;
                    if(i == x + s && (j == y - s || j == y + s)) continue ;
                    f[i][j] = f[x][y] + 1;
                    q[1].push({i, j});
//                    cout << i << " " << j << " **\n";
                }
            }
        }
    }
}

Compilation message

Main.cpp:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main () {
      | ^~~~
Main.cpp: In function 'int main()':
Main.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |         freopen("task.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:18:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         freopen("wa.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 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 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 5 ms 724 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 5 ms 852 KB Output is correct
23 Correct 5 ms 724 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 4 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 852 KB Output is correct
29 Correct 12 ms 1568 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2644 KB Output is correct
32 Correct 13 ms 1576 KB Output is correct
33 Correct 10 ms 1492 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 8 ms 1560 KB Output is correct
36 Correct 9 ms 1564 KB Output is correct
37 Correct 11 ms 1616 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20116 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 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 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct

Subtask #3
0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 0 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 0 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 380 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 596 KB Output is correct
26 Correct 4 ms 980 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 3 ms 1104 KB Output is correct
29 Correct 3 ms 1236 KB Output is correct
30 Correct 3 ms 1236 KB Output is correct
31 Correct 104 ms 852 KB Output is correct
32 Correct 1 ms 824 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 6 ms 1876 KB Output is correct
35 Correct 7 ms 2644 KB Output is correct
36 Correct 7 ms 2548 KB Output is correct
37 Correct 12 ms 2840 KB Output is correct
38 Correct 6 ms 2772 KB Output is correct
39 Correct 20 ms 5332 KB Output is correct
40 Correct 65 ms 16880 KB Output is correct
41 Runtime error 14 ms 20192 KB Execution killed with signal 11
42 Halted 0 ms 0 KB -

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 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 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 4 ms 852 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 3 ms 980 KB Output is correct
39 Correct 3 ms 1252 KB Output is correct
40 Correct 5 ms 852 KB Output is correct
41 Correct 4 ms 724 KB Output is correct
42 Correct 3 ms 1108 KB Output is correct
43 Correct 3 ms 1236 KB Output is correct
44 Correct 2 ms 1236 KB Output is correct
45 Correct 3 ms 852 KB Output is correct
46 Correct 3 ms 852 KB Output is correct
47 Correct 3 ms 724 KB Output is correct
48 Correct 18 ms 724 KB Output is correct
49 Correct 31 ms 868 KB Output is correct
50 Correct 114 ms 852 KB Output is correct
51 Correct 110 ms 888 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 852 KB Output is correct
54 Correct 3 ms 852 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 0 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 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 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 0 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 0 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 0 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 0 ms 340 KB Output is correct
33 Correct 4 ms 852 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 3 ms 980 KB Output is correct
39 Correct 3 ms 1252 KB Output is correct
40 Correct 5 ms 852 KB Output is correct
41 Correct 4 ms 724 KB Output is correct
42 Correct 3 ms 1108 KB Output is correct
43 Correct 3 ms 1236 KB Output is correct
44 Correct 2 ms 1236 KB Output is correct
45 Correct 3 ms 852 KB Output is correct
46 Correct 3 ms 852 KB Output is correct
47 Correct 3 ms 724 KB Output is correct
48 Correct 18 ms 724 KB Output is correct
49 Correct 31 ms 868 KB Output is correct
50 Correct 114 ms 852 KB Output is correct
51 Correct 110 ms 888 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 852 KB Output is correct
54 Correct 3 ms 852 KB Output is correct
55 Correct 12 ms 1564 KB Output is correct
56 Correct 4 ms 852 KB Output is correct
57 Correct 8 ms 1876 KB Output is correct
58 Correct 10 ms 1364 KB Output is correct
59 Correct 8 ms 2732 KB Output is correct
60 Correct 18 ms 1736 KB Output is correct
61 Correct 15 ms 1704 KB Output is correct
62 Correct 8 ms 2644 KB Output is correct
63 Correct 9 ms 2972 KB Output is correct
64 Correct 7 ms 2860 KB Output is correct
65 Correct 12 ms 1620 KB Output is correct
66 Correct 8 ms 1620 KB Output is correct
67 Correct 10 ms 1584 KB Output is correct
68 Correct 113 ms 1796 KB Output is correct
69 Correct 218 ms 1704 KB Output is correct
70 Correct 565 ms 1772 KB Output is correct
71 Correct 1128 ms 1908 KB Output is correct
72 Correct 9 ms 1820 KB Output is correct
73 Correct 14 ms 1768 KB Output is correct
74 Correct 4 ms 1664 KB Output is correct

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 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 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 5 ms 724 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 5 ms 852 KB Output is correct
23 Correct 5 ms 724 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 4 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 852 KB Output is correct
29 Correct 12 ms 1568 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2644 KB Output is correct
32 Correct 13 ms 1576 KB Output is correct
33 Correct 10 ms 1492 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 8 ms 1560 KB Output is correct
36 Correct 9 ms 1564 KB Output is correct
37 Correct 11 ms 1616 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20116 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 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 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 5 ms 724 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 5 ms 852 KB Output is correct
23 Correct 5 ms 724 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 4 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 852 KB Output is correct
29 Correct 12 ms 1568 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2644 KB Output is correct
32 Correct 13 ms 1576 KB Output is correct
33 Correct 10 ms 1492 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 8 ms 1560 KB Output is correct
36 Correct 9 ms 1564 KB Output is correct
37 Correct 11 ms 1616 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20116 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 1 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 0 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 0 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 5 ms 724 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 5 ms 852 KB Output is correct
23 Correct 5 ms 724 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 4 ms 852 KB Output is correct
26 Correct 3 ms 852 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 852 KB Output is correct
29 Correct 12 ms 1568 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2644 KB Output is correct
32 Correct 13 ms 1576 KB Output is correct
33 Correct 10 ms 1492 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 8 ms 1560 KB Output is correct
36 Correct 9 ms 1564 KB Output is correct
37 Correct 11 ms 1616 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20116 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -