oj.uz

Submission #738867

# Submission time Handle Problem Language Result Execution time Memory
738867 2023-05-09T14:46:58 Z He_Huanglu Maze (JOI23_ho_t3) C++17
38 / 100
 114 ms 20180 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();
            if(s != 1) {
                int s1 = max(1, x - s), s2 = max(1, y - s);
                int s3 = min(m, x + s), s4 = min(n, y + s);
    //            cout << x << " " << y << " : " << s << " " << s1 << " " << s2 << " " << s3 << " " << s4 << "\n";
                for(int i = s1; i <= s3; i++) {
                    for(int j = s2; j <= s4; j++) if(!f[i][j]) {
                        f[i][j] = f[x][y] + 1;
                        q[1].push({i, j});
                    }
                }
            }
            else {
                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]) {
                        f[u][v] = f[x][y] + 1;
                        q[1].push({u, v});
                    }
                }
            }
        }
    }

}

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 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 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 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 0 ms 340 KB Output is correct
15 Correct 1 ms 372 KB Output is correct
16 Correct 1 ms 372 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 368 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 900 KB Output is correct
24 Correct 3 ms 924 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 2 ms 764 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 884 KB Output is correct
29 Correct 11 ms 1580 KB Output is correct
30 Correct 4 ms 892 KB Output is correct
31 Correct 7 ms 2604 KB Output is correct
32 Correct 15 ms 1708 KB Output is correct
33 Correct 9 ms 1720 KB Output is correct
34 Correct 8 ms 1492 KB Output is correct
35 Correct 7 ms 1620 KB Output is correct
36 Correct 8 ms 1748 KB Output is correct
37 Correct 10 ms 1696 KB Output is correct
38 Correct 3 ms 1620 KB Output is correct
39 Runtime error 13 ms 20176 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 1 ms 340 KB Output is correct
2 Correct 1 ms 372 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 352 KB Output is correct
7 Correct 1 ms 372 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 0 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 376 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 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 340 KB Output is correct
24 Correct 1 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 0 ms 340 KB Output is correct
31 Correct 1 ms 368 KB Output is correct
32 Correct 1 ms 340 KB Output is correct

Subtask #3
0 / 16.0

# 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 1 ms 340 KB Output is correct
4 Correct 1 ms 372 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 372 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 340 KB Output is correct
11 Correct 1 ms 372 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 376 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 376 KB Output is correct
17 Correct 1 ms 372 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 468 KB Output is correct
21 Correct 1 ms 468 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 368 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 2 ms 596 KB Output is correct
26 Correct 3 ms 980 KB Output is correct
27 Correct 3 ms 1236 KB Output is correct
28 Correct 3 ms 1236 KB Output is correct
29 Correct 3 ms 1364 KB Output is correct
30 Correct 3 ms 1236 KB Output is correct
31 Correct 107 ms 952 KB Output is correct
32 Correct 2 ms 852 KB Output is correct
33 Correct 2 ms 900 KB Output is correct
34 Correct 6 ms 1876 KB Output is correct
35 Correct 7 ms 2728 KB Output is correct
36 Correct 8 ms 2704 KB Output is correct
37 Correct 9 ms 2936 KB Output is correct
38 Correct 6 ms 2900 KB Output is correct
39 Correct 21 ms 5828 KB Output is correct
40 Correct 73 ms 18232 KB Output is correct
41 Runtime error 14 ms 20180 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 1 ms 340 KB Output is correct
2 Correct 1 ms 372 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 352 KB Output is correct
7 Correct 1 ms 372 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 0 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 376 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 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 340 KB Output is correct
24 Correct 1 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 0 ms 340 KB Output is correct
31 Correct 1 ms 368 KB Output is correct
32 Correct 1 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 684 KB Output is correct
37 Correct 2 ms 764 KB Output is correct
38 Correct 3 ms 1104 KB Output is correct
39 Correct 3 ms 1244 KB Output is correct
40 Correct 5 ms 852 KB Output is correct
41 Correct 4 ms 904 KB Output is correct
42 Correct 3 ms 1236 KB Output is correct
43 Correct 3 ms 1280 KB Output is correct
44 Correct 3 ms 1364 KB Output is correct
45 Correct 3 ms 852 KB Output is correct
46 Correct 3 ms 872 KB Output is correct
47 Correct 3 ms 852 KB Output is correct
48 Correct 14 ms 864 KB Output is correct
49 Correct 31 ms 888 KB Output is correct
50 Correct 114 ms 912 KB Output is correct
51 Correct 103 ms 944 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 856 KB Output is correct
54 Correct 3 ms 852 KB Output is correct

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 340 KB Output is correct
2 Correct 1 ms 372 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 352 KB Output is correct
7 Correct 1 ms 372 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 0 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 376 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 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 340 KB Output is correct
24 Correct 1 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 0 ms 340 KB Output is correct
31 Correct 1 ms 368 KB Output is correct
32 Correct 1 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 684 KB Output is correct
37 Correct 2 ms 764 KB Output is correct
38 Correct 3 ms 1104 KB Output is correct
39 Correct 3 ms 1244 KB Output is correct
40 Correct 5 ms 852 KB Output is correct
41 Correct 4 ms 904 KB Output is correct
42 Correct 3 ms 1236 KB Output is correct
43 Correct 3 ms 1280 KB Output is correct
44 Correct 3 ms 1364 KB Output is correct
45 Correct 3 ms 852 KB Output is correct
46 Correct 3 ms 872 KB Output is correct
47 Correct 3 ms 852 KB Output is correct
48 Correct 14 ms 864 KB Output is correct
49 Correct 31 ms 888 KB Output is correct
50 Correct 114 ms 912 KB Output is correct
51 Correct 103 ms 944 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 856 KB Output is correct
54 Correct 3 ms 852 KB Output is correct
55 Correct 11 ms 1620 KB Output is correct
56 Correct 4 ms 908 KB Output is correct
57 Correct 6 ms 1980 KB Output is correct
58 Incorrect 11 ms 1456 KB Output isn't correct
59 Halted 0 ms 0 KB -

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 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 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 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 0 ms 340 KB Output is correct
15 Correct 1 ms 372 KB Output is correct
16 Correct 1 ms 372 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 368 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 900 KB Output is correct
24 Correct 3 ms 924 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 2 ms 764 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 884 KB Output is correct
29 Correct 11 ms 1580 KB Output is correct
30 Correct 4 ms 892 KB Output is correct
31 Correct 7 ms 2604 KB Output is correct
32 Correct 15 ms 1708 KB Output is correct
33 Correct 9 ms 1720 KB Output is correct
34 Correct 8 ms 1492 KB Output is correct
35 Correct 7 ms 1620 KB Output is correct
36 Correct 8 ms 1748 KB Output is correct
37 Correct 10 ms 1696 KB Output is correct
38 Correct 3 ms 1620 KB Output is correct
39 Runtime error 13 ms 20176 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 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 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 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 0 ms 340 KB Output is correct
15 Correct 1 ms 372 KB Output is correct
16 Correct 1 ms 372 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 368 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 900 KB Output is correct
24 Correct 3 ms 924 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 2 ms 764 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 884 KB Output is correct
29 Correct 11 ms 1580 KB Output is correct
30 Correct 4 ms 892 KB Output is correct
31 Correct 7 ms 2604 KB Output is correct
32 Correct 15 ms 1708 KB Output is correct
33 Correct 9 ms 1720 KB Output is correct
34 Correct 8 ms 1492 KB Output is correct
35 Correct 7 ms 1620 KB Output is correct
36 Correct 8 ms 1748 KB Output is correct
37 Correct 10 ms 1696 KB Output is correct
38 Correct 3 ms 1620 KB Output is correct
39 Runtime error 13 ms 20176 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 368 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 468 KB Output is correct
7 Correct 1 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 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 0 ms 340 KB Output is correct
15 Correct 1 ms 372 KB Output is correct
16 Correct 1 ms 372 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 368 KB Output is correct
19 Correct 5 ms 852 KB Output is correct
20 Correct 3 ms 724 KB Output is correct
21 Correct 4 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 900 KB Output is correct
24 Correct 3 ms 924 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 2 ms 764 KB Output is correct
27 Correct 2 ms 852 KB Output is correct
28 Correct 3 ms 884 KB Output is correct
29 Correct 11 ms 1580 KB Output is correct
30 Correct 4 ms 892 KB Output is correct
31 Correct 7 ms 2604 KB Output is correct
32 Correct 15 ms 1708 KB Output is correct
33 Correct 9 ms 1720 KB Output is correct
34 Correct 8 ms 1492 KB Output is correct
35 Correct 7 ms 1620 KB Output is correct
36 Correct 8 ms 1748 KB Output is correct
37 Correct 10 ms 1696 KB Output is correct
38 Correct 3 ms 1620 KB Output is correct
39 Runtime error 13 ms 20176 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -