oj.uz

Submission #916270

# Submission time Handle Problem Language Result Execution time Memory
916270 2024-01-25T14:57:25 Z berr Maze (JOI23_ho_t3) C++17
35 / 100
 93 ms 32356 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[max(r, c) / n +2];
    int pos = 0;

    q[0].push(s);

    queue<array<int, 2>> sinir;
    queue<array<int, 3>>sinir2;
    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 <max(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]) break;
                    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;
                }
                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;
                }
            }
        }
        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:35:9: warning: unused variable 'of' [-Wunused-variable]
   35 |     int of = 500;
      |         ^~

Subtask #1
0 / 8.0

# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 472 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 7 ms 1372 KB Output is correct
20 Correct 37 ms 32356 KB Output is correct
21 Correct 3 ms 1376 KB Output is correct
22 Correct 7 ms 1376 KB Output is correct
23 Incorrect 7 ms 1628 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 1 ms 348 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 608 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 1 ms 352 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 352 KB Output is correct
9 Correct 1 ms 548 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 600 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 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 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 0 ms 348 KB Output is correct
8 Correct 1 ms 348 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 1 ms 348 KB Output is correct
11 Correct 1 ms 344 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 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 1 ms 344 KB Output is correct
18 Correct 0 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 1 ms 348 KB Output is correct
22 Correct 1 ms 344 KB Output is correct
23 Correct 1 ms 344 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 1372 KB Output is correct
27 Correct 3 ms 1500 KB Output is correct
28 Correct 3 ms 1116 KB Output is correct
29 Correct 3 ms 1116 KB Output is correct
30 Correct 4 ms 1120 KB Output is correct
31 Correct 2 ms 1120 KB Output is correct
32 Correct 1 ms 1376 KB Output is correct
33 Correct 1 ms 1376 KB Output is correct
34 Correct 7 ms 2656 KB Output is correct
35 Correct 7 ms 2656 KB Output is correct
36 Correct 7 ms 2400 KB Output is correct
37 Correct 7 ms 2612 KB Output is correct
38 Correct 7 ms 2396 KB Output is correct
39 Correct 19 ms 8280 KB Output is correct
40 Correct 63 ms 23524 KB Output is correct
41 Correct 74 ms 22356 KB Output is correct
42 Correct 75 ms 21584 KB Output is correct
43 Correct 92 ms 21352 KB Output is correct
44 Correct 93 ms 21076 KB Output is correct
45 Correct 65 ms 27200 KB Output is correct
46 Correct 69 ms 27476 KB Output is correct

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 608 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 1 ms 352 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 352 KB Output is correct
9 Correct 1 ms 548 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 600 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 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 6 ms 1372 KB Output is correct
34 Correct 1 ms 456 KB Output is correct
35 Correct 1 ms 1116 KB Output is correct
36 Correct 1 ms 1116 KB Output is correct
37 Correct 34 ms 32340 KB Output is correct
38 Correct 3 ms 1368 KB Output is correct
39 Correct 3 ms 1368 KB Output is correct
40 Correct 7 ms 1368 KB Output is correct
41 Incorrect 6 ms 1372 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 1 ms 352 KB Output is correct
3 Correct 1 ms 608 KB Output is correct
4 Correct 0 ms 352 KB Output is correct
5 Correct 1 ms 352 KB Output is correct
6 Correct 0 ms 352 KB Output is correct
7 Correct 0 ms 352 KB Output is correct
8 Correct 0 ms 352 KB Output is correct
9 Correct 1 ms 548 KB Output is correct
10 Correct 0 ms 352 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 344 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 1 ms 600 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 1 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct
23 Correct 1 ms 348 KB Output is correct
24 Correct 1 ms 348 KB Output is correct
25 Correct 0 ms 348 KB Output is correct
26 Correct 1 ms 344 KB Output is correct
27 Correct 0 ms 344 KB Output is correct
28 Correct 1 ms 344 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 1 ms 348 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 1 ms 348 KB Output is correct
33 Correct 6 ms 1372 KB Output is correct
34 Correct 1 ms 456 KB Output is correct
35 Correct 1 ms 1116 KB Output is correct
36 Correct 1 ms 1116 KB Output is correct
37 Correct 34 ms 32340 KB Output is correct
38 Correct 3 ms 1368 KB Output is correct
39 Correct 3 ms 1368 KB Output is correct
40 Correct 7 ms 1368 KB Output is correct
41 Incorrect 6 ms 1372 KB Output isn't correct
42 Halted 0 ms 0 KB -

Subtask #6
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 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 472 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 7 ms 1372 KB Output is correct
20 Correct 37 ms 32356 KB Output is correct
21 Correct 3 ms 1376 KB Output is correct
22 Correct 7 ms 1376 KB Output is correct
23 Incorrect 7 ms 1628 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #7
0 / 8.0

# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 472 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 7 ms 1372 KB Output is correct
20 Correct 37 ms 32356 KB Output is correct
21 Correct 3 ms 1376 KB Output is correct
22 Correct 7 ms 1376 KB Output is correct
23 Incorrect 7 ms 1628 KB Output isn't correct
24 Halted 0 ms 0 KB -

Subtask #8
0 / 6.0

# 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 1 ms 348 KB Output is correct
4 Correct 1 ms 456 KB Output is correct
5 Correct 1 ms 344 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 472 KB Output is correct
10 Correct 0 ms 356 KB Output is correct
11 Correct 0 ms 464 KB Output is correct
12 Correct 1 ms 356 KB Output is correct
13 Correct 1 ms 352 KB Output is correct
14 Correct 1 ms 352 KB Output is correct
15 Correct 1 ms 352 KB Output is correct
16 Correct 0 ms 352 KB Output is correct
17 Correct 1 ms 352 KB Output is correct
18 Correct 1 ms 352 KB Output is correct
19 Correct 7 ms 1372 KB Output is correct
20 Correct 37 ms 32356 KB Output is correct
21 Correct 3 ms 1376 KB Output is correct
22 Correct 7 ms 1376 KB Output is correct
23 Incorrect 7 ms 1628 KB Output isn't correct
24 Halted 0 ms 0 KB -