oj.uz

Submission #916278

# Submission time Handle Problem Language Result Execution time Memory
916278 2024-01-25T15:13:18 Z berr Maze (JOI23_ho_t3) C++17
35 / 100
 101 ms 38148 KB 
#include <bits/stdc++.h>
using namespace std;

const int mod = 1e9+7;

signed main(){
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    
    int r, c, n; cin >> c>> r >> n;

    array<int, 2> s, g;

    cin >> s[0] >> s[1];
    cin >> g[0] >> g[1];

    s[0]--; s[1]--;
    g[0]--; g[1]--;

    vector<string> a(c);

    for(auto &i: a){
        cin >> i;
    }


    int ans = 0;
    queue<array<int, 2>> q[(r+c) / n +2];
    int pos = 0;

    q[0].push(s);

    queue<array<int, 2>> sinir;
    queue<array<int, 3>>sinir2;
        queue<array<int, 3>>sinir3;

    int of = 500;
    auto check =[&](int x, int y, int z){
        if(x<0 || y<0) return 1;
        if(x>=c || y>=r) return 1;
        if(a[x][y]=='.'){
            q[z].push({x, y});
            return 1;
        }
        return 0;
    
    };

   // c = column
    vector vis(c, vector(r, 0));
    vector vis2(c, vector(r, 0));
    vector vis3(c, vector(r, 0));
    int anss = -1;
    while(pos <(r+ c) / n +2 && anss==-1){   
        if(q[pos].size()==0 ){
            pos++;
            if(pos == (max(r, c)/n+2)) break;
            while(sinir.size()){
                auto [x, y] = sinir.front();
                vis[x][y] = 0;
                sinir2.push({x, y, 0});
                q[pos].push({x, y});
                sinir.pop();
                for(int i=1; i<=n; i++){
                    if(y-i<0) break;
                    if(vis[x][y-i]) 
                    if(vis2[x][y-i]) break;
                    a[x][y-i] = '.';
                    vis2[x][y-i] = 1;
                    sinir2.push({x, y-i, (i==n)});
                }
                for(int i=1; i<=n; i++){
                    if(y+i>=r) break;
                    if(vis[x][y+i]) break;
                   if(vis2[x][y+i]) break;
                    a[x][y+i] = '.';
                    vis2[x][y+i] = 1;
                    sinir2.push({x, y+i, (i==n)});
                }

            }

            while(sinir2.size()){
                auto [x, y, z] = sinir2.front();
                vis[x][y] = 0;
                sinir2.pop();
                for(int i=1; i<=n-z; i++){
                    if(x-i<0) break;
                    if(vis[x-i][y]) break;
                    if(vis3[x-i][y]) break;
                    a[x-i][y] = '.';
                    vis3[x-i][y] = 1;
                    sinir3.push({x-i, y, (i==n)});

                }
                for(int i=1; i<=n-z; i++){
                    if(x+i>=c) break;
                    if(vis[x+i][y]) break;
                    if(vis3[x+i][y]) break;

                    a[x+i][y] = '.';
                    vis3[x+i][y] = 1;
                    sinir3.push({x+i, y, (i==n)});
                }
            }


            
        }
        else{

            while(q[pos].size()){
                auto [x, y] = q[pos].front();
                q[pos].pop();
                int ans = 0;
                if(vis[x][y]) continue;

                vis[x][y] = 1;
                if(x==g[0] && y == g[1]&& anss==-1){
                    anss = pos;
                } 

                ans += check(x-1, y, pos);
                ans += check(x+1, y, pos);
                ans += check(x, y-1, pos);
                ans += check(x, y+1, pos);
                if(ans!=4){
                    sinir.push({x, y});
                }
            }
        }


    }

    cout << anss;

}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:27:9: warning: unused variable 'ans' [-Wunused-variable]
   27 |     int ans = 0;
      |         ^~~
Main.cpp:37:9: warning: unused variable 'of' [-Wunused-variable]
   37 |     int of = 500;
      |         ^~

Subtask #1
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 7 ms 2140 KB Output is correct
20 Correct 30 ms 32160 KB Output is correct
21 Correct 3 ms 1372 KB Output is correct
22 Correct 8 ms 2036 KB Output is correct
23 Incorrect 8 ms 2156 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 1316 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct

Subtask #3
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 1 ms 344 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 0 ms 348 KB Output is correct
17 Correct 0 ms 420 KB Output is correct
18 Correct 1 ms 344 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 1 ms 1116 KB Output is correct
26 Correct 3 ms 1428 KB Output is correct
27 Correct 3 ms 1372 KB Output is correct
28 Correct 3 ms 1116 KB Output is correct
29 Correct 4 ms 1880 KB Output is correct
30 Correct 4 ms 1884 KB Output is correct
31 Correct 3 ms 1368 KB Output is correct
32 Correct 2 ms 1372 KB Output is correct
33 Correct 2 ms 1372 KB Output is correct
34 Correct 6 ms 2396 KB Output is correct
35 Correct 7 ms 2908 KB Output is correct
36 Correct 6 ms 2396 KB Output is correct
37 Correct 8 ms 4188 KB Output is correct
38 Correct 9 ms 4184 KB Output is correct
39 Correct 19 ms 7772 KB Output is correct
40 Correct 58 ms 22220 KB Output is correct
41 Correct 72 ms 21888 KB Output is correct
42 Correct 70 ms 20620 KB Output is correct
43 Correct 101 ms 38148 KB Output is correct
44 Correct 101 ms 37900 KB Output is correct
45 Correct 62 ms 25736 KB Output is correct
46 Correct 59 ms 26032 KB Output is correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 1316 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 8 ms 2136 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 1112 KB Output is correct
36 Correct 1 ms 1116 KB Output is correct
37 Correct 33 ms 32248 KB Output is correct
38 Correct 3 ms 1372 KB Output is correct
39 Correct 3 ms 1372 KB Output is correct
40 Correct 8 ms 1884 KB Output is correct
41 Incorrect 7 ms 2136 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 1316 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 348 KB Output is correct
20 Correct 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 0 ms 348 KB Output is correct
24 Correct 0 ms 348 KB Output is correct
25 Correct 0 ms 344 KB Output is correct
26 Correct 0 ms 344 KB Output is correct
27 Correct 1 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 0 ms 348 KB Output is correct
30 Correct 0 ms 348 KB Output is correct
31 Correct 0 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 8 ms 2136 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 1 ms 1112 KB Output is correct
36 Correct 1 ms 1116 KB Output is correct
37 Correct 33 ms 32248 KB Output is correct
38 Correct 3 ms 1372 KB Output is correct
39 Correct 3 ms 1372 KB Output is correct
40 Correct 8 ms 1884 KB Output is correct
41 Incorrect 7 ms 2136 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 7 ms 2140 KB Output is correct
20 Correct 30 ms 32160 KB Output is correct
21 Correct 3 ms 1372 KB Output is correct
22 Correct 8 ms 2036 KB Output is correct
23 Incorrect 8 ms 2156 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 7 ms 2140 KB Output is correct
20 Correct 30 ms 32160 KB Output is correct
21 Correct 3 ms 1372 KB Output is correct
22 Correct 8 ms 2036 KB Output is correct
23 Incorrect 8 ms 2156 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 1 ms 344 KB Output is correct
11 Correct 0 ms 600 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 7 ms 2140 KB Output is correct
20 Correct 30 ms 32160 KB Output is correct
21 Correct 3 ms 1372 KB Output is correct
22 Correct 8 ms 2036 KB Output is correct
23 Incorrect 8 ms 2156 KB Output isn't correct
24 Halted 0 ms 0 KB -