oj.uz

Submission #738934

# Submission time Handle Problem Language Result Execution time Memory
738934 2023-05-09T16:43:04 Z He_Huanglu Maze (JOI23_ho_t3) C++17
38 / 100
 117 ms 20132 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("ac.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("ac.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 0 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 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
16 Correct 1 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 4 ms 852 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 1 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 11 ms 1564 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2628 KB Output is correct
32 Correct 12 ms 1492 KB Output is correct
33 Correct 9 ms 1564 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 7 ms 1492 KB Output is correct
36 Correct 8 ms 1684 KB Output is correct
37 Correct 9 ms 1620 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20128 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 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 0 ms 368 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 372 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 368 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 1 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 1 ms 372 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 372 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 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 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 0 ms 340 KB Output is correct
7 Correct 1 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 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 1 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 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 0 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 1 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 1108 KB Output is correct
29 Correct 3 ms 1236 KB Output is correct
30 Correct 4 ms 1236 KB Output is correct
31 Correct 103 ms 888 KB Output is correct
32 Correct 2 ms 852 KB Output is correct
33 Correct 2 ms 852 KB Output is correct
34 Correct 6 ms 1816 KB Output is correct
35 Correct 7 ms 2644 KB Output is correct
36 Correct 7 ms 2516 KB Output is correct
37 Correct 8 ms 2772 KB Output is correct
38 Correct 6 ms 2776 KB Output is correct
39 Correct 19 ms 5344 KB Output is correct
40 Correct 67 ms 16932 KB Output is correct
41 Runtime error 13 ms 20132 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 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 0 ms 368 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 372 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 368 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 1 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 1 ms 372 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 372 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 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 868 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 3 ms 796 KB Output is correct
38 Correct 3 ms 980 KB Output is correct
39 Correct 4 ms 1248 KB Output is correct
40 Correct 4 ms 852 KB Output is correct
41 Correct 5 ms 896 KB Output is correct
42 Correct 3 ms 1244 KB Output is correct
43 Correct 4 ms 1364 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 980 KB Output is correct
47 Correct 4 ms 852 KB Output is correct
48 Correct 15 ms 904 KB Output is correct
49 Correct 31 ms 888 KB Output is correct
50 Correct 117 ms 908 KB Output is correct
51 Correct 105 ms 936 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
0 / 5.0

# 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 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 0 ms 368 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 372 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 368 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 1 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 1 ms 372 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 0 ms 372 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 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 868 KB Output is correct
34 Correct 1 ms 344 KB Output is correct
35 Correct 1 ms 344 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 3 ms 796 KB Output is correct
38 Correct 3 ms 980 KB Output is correct
39 Correct 4 ms 1248 KB Output is correct
40 Correct 4 ms 852 KB Output is correct
41 Correct 5 ms 896 KB Output is correct
42 Correct 3 ms 1244 KB Output is correct
43 Correct 4 ms 1364 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 980 KB Output is correct
47 Correct 4 ms 852 KB Output is correct
48 Correct 15 ms 904 KB Output is correct
49 Correct 31 ms 888 KB Output is correct
50 Correct 117 ms 908 KB Output is correct
51 Correct 105 ms 936 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 11 ms 1704 KB Output is correct
56 Correct 4 ms 908 KB Output is correct
57 Correct 7 ms 1984 KB Output is correct
58 Incorrect 10 ms 1564 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 340 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 340 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
16 Correct 1 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 4 ms 852 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 1 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 11 ms 1564 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2628 KB Output is correct
32 Correct 12 ms 1492 KB Output is correct
33 Correct 9 ms 1564 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 7 ms 1492 KB Output is correct
36 Correct 8 ms 1684 KB Output is correct
37 Correct 9 ms 1620 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20128 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 0 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 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
16 Correct 1 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 4 ms 852 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 1 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 11 ms 1564 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2628 KB Output is correct
32 Correct 12 ms 1492 KB Output is correct
33 Correct 9 ms 1564 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 7 ms 1492 KB Output is correct
36 Correct 8 ms 1684 KB Output is correct
37 Correct 9 ms 1620 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20128 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 0 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 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 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 1 ms 340 KB Output is correct
16 Correct 1 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 4 ms 852 KB Output is correct
20 Correct 2 ms 724 KB Output is correct
21 Correct 3 ms 1236 KB Output is correct
22 Correct 4 ms 852 KB Output is correct
23 Correct 4 ms 852 KB Output is correct
24 Correct 3 ms 852 KB Output is correct
25 Correct 3 ms 852 KB Output is correct
26 Correct 1 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 11 ms 1564 KB Output is correct
30 Correct 3 ms 852 KB Output is correct
31 Correct 7 ms 2628 KB Output is correct
32 Correct 12 ms 1492 KB Output is correct
33 Correct 9 ms 1564 KB Output is correct
34 Correct 8 ms 1564 KB Output is correct
35 Correct 7 ms 1492 KB Output is correct
36 Correct 8 ms 1684 KB Output is correct
37 Correct 9 ms 1620 KB Output is correct
38 Correct 3 ms 1492 KB Output is correct
39 Runtime error 13 ms 20128 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -