oj.uz

Submission #1094375

# Submission time Handle Problem Language Result Execution time Memory
1094375 2024-09-29T14:01:54 Z stefanopulos Maze (JOI23_ho_t3) C++17
43 / 100
 85 ms 37284 KB 
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
#include <bits/stdc++.h>
 
using namespace std;
using namespace __gnu_pbds;
 
typedef long long ll;
typedef long double ldb;
 
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
typedef pair<ldb,ldb> pdd;

#define ff(i,a,b) for(int i = a; i <= b; i++)
#define fb(i,b,a) for(int i = b; i >= a; i--)
#define trav(a,x) for(auto& a : x)
 
#define sz(a) (int)(a).size()
#define fi first
#define se second
#define pb push_back
#define lb lower_bound
#define ub upper_bound
#define all(a) a.begin(), a.end()
#define rall(a) a.rbegin(), a.rend()
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;

// os.order_of_key(k) the number of elements in the os less than k
// *os.find_by_order(k)  print the k-th smallest number in os(0-based)

const int mod = 1000000007;
const int inf = 1e9 + 5;
const int mxN = 200005; 

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};

int n, m, k;
int sX, sY;
int gX, gY;

pii cale[1005][1005];

int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> m >> k >> sX >> sY >> gX >> gY;
    vector<string> s(n + 1);
    ff(i,1,n)cin >> s[i], s[i] = ' ' + s[i];

    vector<vector<bool>> used(n + 1, vector<bool>(m + 1));
    ff(i,1,n)ff(j,1,m)used[i][j] = 0;

    int cur = 0; queue<pii> que; que.push({sX, sY});
    while(1){

        vector<pii> A;
        while(sz(que)){
            auto [x, y] = que.front(); que.pop(); A.pb({x, y});
            ff(i,0,3){
                int nwx = x + dx[i];
                int nwy = y + dy[i];
                if(nwx >= 1 && nwx <= n && nwy >= 1 && nwy <= m && s[nwx][nwy] == '.'){
                    if(!used[nwx][nwy]){
                        used[nwx][nwy] = 1;
                        que.push({nwx, nwy});
                    }
                }
            }
        }

        vector<pii> vec;
        for(auto [x, y] : A){
            if(x == gX && y == gY){
                cout << cur << '\n';
                return 0;
            }

            ff(i,0,3){
                int nwx = x + dx[i];
                int nwy = y + dy[i];
                if(nwx >= 1 && nwx <= n && nwy >= 1 && nwy <= m && s[nwx][nwy] == '#'){
                    if(!used[nwx][nwy]){
                        que.push({nwx, nwy}); cale[nwx][nwy] = {nwx, nwy};
                        used[nwx][nwy] = 1;
                    }
                }
            }

        }

        queue<pii> temp;
        while(sz(que)){
            auto [x, y] = que.front(); que.pop(); temp.push({x, y});
            ff(i,0,3){
                int nwx = x + dx[i];
                int nwy = y + dy[i];
                if(nwx >= 1 && nwx <= n && nwy >= 1 && nwy <= m){
                    if(!used[nwx][nwy] && abs(nwx - cale[x][y].fi) < k && abs(nwy - cale[x][y].se) < k){
                        used[nwx][nwy] = 1; cale[nwx][nwy] = cale[x][y];
                        que.push({nwx, nwy});
                    }
                }
            }
        }

        swap(que, temp); cur += 1; 

    }

    return 0;
}
/*

2 4 2
1 1
2 4
.###
###.

6 6 1
1 6
6 1
..#.#.
##.###
####.#
...###
##.##.
.#.###

6 7 6
6 4
3 1
..#.#.#
##.##..
.######
#..#.#.
.######
..#.##.

1 15 1
1 15
1 1
...............

// probati bojenje sahovski
*/

Subtask #1
0 / 8.0

# 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 604 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 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 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 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 604 KB Output is correct
19 Correct 4 ms 1628 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 2004 KB Output is correct
22 Correct 6 ms 1828 KB Output is correct
23 Correct 4 ms 1884 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 4 ms 860 KB Output is correct
26 Correct 1 ms 1628 KB Output is correct
27 Correct 1 ms 1628 KB Output is correct
28 Correct 2 ms 1952 KB Output is correct
29 Correct 13 ms 3164 KB Output is correct
30 Correct 4 ms 604 KB Output is correct
31 Correct 7 ms 3788 KB Output is correct
32 Correct 14 ms 3172 KB Output is correct
33 Correct 9 ms 3160 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 11 ms 1616 KB Output is correct
36 Correct 9 ms 3636 KB Output is correct
37 Correct 13 ms 3500 KB Output is correct
38 Correct 2 ms 3160 KB Output is correct
39 Runtime error 85 ms 20264 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 344 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 1 ms 432 KB Output is correct
6 Correct 0 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 604 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 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 0 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 0 ms 348 KB Output is correct

Subtask #3
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 0 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 1 ms 604 KB Output is correct
11 Correct 1 ms 604 KB Output is correct
12 Correct 0 ms 600 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 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 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 0 ms 348 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 0 ms 604 KB Output is correct
25 Correct 1 ms 604 KB Output is correct
26 Correct 3 ms 1236 KB Output is correct
27 Correct 3 ms 2004 KB Output is correct
28 Correct 3 ms 2004 KB Output is correct
29 Correct 6 ms 3032 KB Output is correct
30 Correct 5 ms 3032 KB Output is correct
31 Correct 4 ms 1116 KB Output is correct
32 Correct 2 ms 1628 KB Output is correct
33 Correct 2 ms 1628 KB Output is correct
34 Correct 8 ms 3032 KB Output is correct
35 Correct 7 ms 3980 KB Output is correct
36 Correct 12 ms 3788 KB Output is correct
37 Correct 14 ms 6616 KB Output is correct
38 Correct 10 ms 6736 KB Output is correct
39 Correct 23 ms 8392 KB Output is correct
40 Correct 67 ms 12328 KB Output is correct
41 Runtime error 74 ms 37284 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 344 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 1 ms 432 KB Output is correct
6 Correct 0 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 604 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 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 0 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 4 ms 1640 KB Output is correct
34 Correct 0 ms 616 KB Output is correct
35 Correct 0 ms 360 KB Output is correct
36 Correct 1 ms 616 KB Output is correct
37 Correct 3 ms 872 KB Output is correct
38 Correct 3 ms 1288 KB Output is correct
39 Correct 3 ms 2016 KB Output is correct
40 Correct 6 ms 1876 KB Output is correct
41 Correct 4 ms 2020 KB Output is correct
42 Correct 3 ms 2016 KB Output is correct
43 Correct 8 ms 3044 KB Output is correct
44 Correct 4 ms 3044 KB Output is correct
45 Correct 2 ms 872 KB Output is correct
46 Correct 4 ms 872 KB Output is correct
47 Correct 4 ms 600 KB Output is correct
48 Correct 4 ms 604 KB Output is correct
49 Correct 5 ms 604 KB Output is correct
50 Correct 5 ms 860 KB Output is correct
51 Correct 2 ms 1116 KB Output is correct
52 Correct 2 ms 1624 KB Output is correct
53 Correct 2 ms 1628 KB Output is correct
54 Correct 2 ms 1884 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 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 1 ms 432 KB Output is correct
6 Correct 0 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 604 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 ms 604 KB Output is correct
14 Correct 0 ms 604 KB Output is correct
15 Correct 0 ms 344 KB Output is correct
16 Correct 1 ms 344 KB Output is correct
17 Correct 0 ms 344 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 1 ms 344 KB Output is correct
20 Correct 0 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 0 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 0 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 ms 344 KB Output is correct
31 Correct 1 ms 604 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 4 ms 1640 KB Output is correct
34 Correct 0 ms 616 KB Output is correct
35 Correct 0 ms 360 KB Output is correct
36 Correct 1 ms 616 KB Output is correct
37 Correct 3 ms 872 KB Output is correct
38 Correct 3 ms 1288 KB Output is correct
39 Correct 3 ms 2016 KB Output is correct
40 Correct 6 ms 1876 KB Output is correct
41 Correct 4 ms 2020 KB Output is correct
42 Correct 3 ms 2016 KB Output is correct
43 Correct 8 ms 3044 KB Output is correct
44 Correct 4 ms 3044 KB Output is correct
45 Correct 2 ms 872 KB Output is correct
46 Correct 4 ms 872 KB Output is correct
47 Correct 4 ms 600 KB Output is correct
48 Correct 4 ms 604 KB Output is correct
49 Correct 5 ms 604 KB Output is correct
50 Correct 5 ms 860 KB Output is correct
51 Correct 2 ms 1116 KB Output is correct
52 Correct 2 ms 1624 KB Output is correct
53 Correct 2 ms 1628 KB Output is correct
54 Correct 2 ms 1884 KB Output is correct
55 Correct 11 ms 3220 KB Output is correct
56 Correct 4 ms 604 KB Output is correct
57 Correct 7 ms 3032 KB Output is correct
58 Correct 9 ms 600 KB Output is correct
59 Correct 6 ms 3788 KB Output is correct
60 Correct 14 ms 3164 KB Output is correct
61 Correct 9 ms 3120 KB Output is correct
62 Correct 7 ms 3788 KB Output is correct
63 Correct 15 ms 6660 KB Output is correct
64 Correct 11 ms 6616 KB Output is correct
65 Correct 7 ms 1876 KB Output is correct
66 Correct 11 ms 1620 KB Output is correct
67 Correct 11 ms 1188 KB Output is correct
68 Correct 12 ms 860 KB Output is correct
69 Correct 13 ms 860 KB Output is correct
70 Correct 14 ms 1112 KB Output is correct
71 Correct 11 ms 1508 KB Output is correct
72 Correct 9 ms 3636 KB Output is correct
73 Correct 16 ms 3528 KB Output is correct
74 Correct 2 ms 3164 KB Output is correct

Subtask #6
0 / 19.0

# 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 604 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 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 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 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 604 KB Output is correct
19 Correct 4 ms 1628 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 2004 KB Output is correct
22 Correct 6 ms 1828 KB Output is correct
23 Correct 4 ms 1884 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 4 ms 860 KB Output is correct
26 Correct 1 ms 1628 KB Output is correct
27 Correct 1 ms 1628 KB Output is correct
28 Correct 2 ms 1952 KB Output is correct
29 Correct 13 ms 3164 KB Output is correct
30 Correct 4 ms 604 KB Output is correct
31 Correct 7 ms 3788 KB Output is correct
32 Correct 14 ms 3172 KB Output is correct
33 Correct 9 ms 3160 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 11 ms 1616 KB Output is correct
36 Correct 9 ms 3636 KB Output is correct
37 Correct 13 ms 3500 KB Output is correct
38 Correct 2 ms 3160 KB Output is correct
39 Runtime error 85 ms 20264 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 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 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 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 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 604 KB Output is correct
19 Correct 4 ms 1628 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 2004 KB Output is correct
22 Correct 6 ms 1828 KB Output is correct
23 Correct 4 ms 1884 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 4 ms 860 KB Output is correct
26 Correct 1 ms 1628 KB Output is correct
27 Correct 1 ms 1628 KB Output is correct
28 Correct 2 ms 1952 KB Output is correct
29 Correct 13 ms 3164 KB Output is correct
30 Correct 4 ms 604 KB Output is correct
31 Correct 7 ms 3788 KB Output is correct
32 Correct 14 ms 3172 KB Output is correct
33 Correct 9 ms 3160 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 11 ms 1616 KB Output is correct
36 Correct 9 ms 3636 KB Output is correct
37 Correct 13 ms 3500 KB Output is correct
38 Correct 2 ms 3160 KB Output is correct
39 Runtime error 85 ms 20264 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 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 604 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 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 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 1 ms 344 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 0 ms 604 KB Output is correct
18 Correct 0 ms 604 KB Output is correct
19 Correct 4 ms 1628 KB Output is correct
20 Correct 3 ms 860 KB Output is correct
21 Correct 3 ms 2004 KB Output is correct
22 Correct 6 ms 1828 KB Output is correct
23 Correct 4 ms 1884 KB Output is correct
24 Correct 2 ms 860 KB Output is correct
25 Correct 4 ms 860 KB Output is correct
26 Correct 1 ms 1628 KB Output is correct
27 Correct 1 ms 1628 KB Output is correct
28 Correct 2 ms 1952 KB Output is correct
29 Correct 13 ms 3164 KB Output is correct
30 Correct 4 ms 604 KB Output is correct
31 Correct 7 ms 3788 KB Output is correct
32 Correct 14 ms 3172 KB Output is correct
33 Correct 9 ms 3160 KB Output is correct
34 Correct 5 ms 1876 KB Output is correct
35 Correct 11 ms 1616 KB Output is correct
36 Correct 9 ms 3636 KB Output is correct
37 Correct 13 ms 3500 KB Output is correct
38 Correct 2 ms 3160 KB Output is correct
39 Runtime error 85 ms 20264 KB Execution killed with signal 11
40 Halted 0 ms 0 KB -