oj.uz

Submission #1061605

# Submission time Handle Problem Language Result Execution time Memory
1061605 2024-08-16T11:10:39 Z beaconmc Maze (JOI23_ho_t3) C++14
19 / 100
 2000 ms 4996 KB 
#include <bits/stdc++.h>
 
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
 
using namespace std;

ll r,c,n;



vector<vector<ll>> grid;
vector<vector<ll>> visited;



bool iswithin(ll a, ll b, ll x, ll y){
	if ((abs(x-a)<=n && abs(y-b) < n) || (abs(x-a)<n && abs(y-b) <= n)){
		return 1;
	}
	return 0;
}

vector<array<ll,2>> getvalid(ll a, ll b){
	vector<array<ll,2>> ans;

	FOR(i,-(n-1), n){
		ans.push_back({a-n, b+i});
		ans.push_back({a+n, b+i});
		ans.push_back({a+i, b-n});
		ans.push_back({a+i, b+n});
	}
	FOR(i,0,r){
		if (iswithin(a, b, i, c-1)) ans.push_back({i, c-1}); 
		if (iswithin(a, b, i, 0)) ans.push_back({i, 0}); 
	}
	FOR(i,0,c){
		if (iswithin(a,b,r-1,i)) ans.push_back({r-1, i});
		if (iswithin(a,b,0,i)) ans.push_back({0, i});
	}

	vector<array<ll,2>> realans;

	for (auto&i : ans){
		if (0<=i[0] && i[0]<r && 0<=i[1] && i[1]<c) realans.push_back(i);
	}

	return realans;
}



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

	ll a,b;
	ll x,y;
	cin >> a >> b >> x >> y;
	a--;b--;x--;y--;
	
	FOR(i,0,r){

		vector<ll> temp;
		vector<ll> idk;

		string temp2;
		cin >> temp2;
		FOR(j,0,c){
			temp.push_back(temp2[j]);
			idk.push_back(100000000);

		}
		grid.push_back(temp);
		visited.push_back(idk);

	}




	ll ans = -1;

	deque<vector<ll>> sus;



	sus.push_back({a,b,0});
	visited[a][b] = 0;

	while (sus.size()){
		vector<ll> node = sus.front();
		sus.pop_front();


		if (visited[node[0]][node[1]] != node[2]) continue;


		if (node[0] == x && node[1] == y){
			ans = node[2];
			break;
		}
		if (iswithin(node[0],node[1],x,y)){
			if (visited[x][y]> node[2]+1){
				visited[x][y] = node[2]+1;
				sus.push_back({x,y,node[2]+1});
			}
			
		}


		vector<array<ll,2>> pos = {{node[0]-1,node[1]},{node[0]+1,node[1]},{node[0],node[1]-1},{node[0],node[1]+1}};

		vector<array<ll,2>> temp = getvalid(node[0], node[1]);

		for (auto&i : pos){
			if (0<=i[0] && i[0]<r && 0<=i[1] && i[1]<c){

				if (grid[i[0]][i[1]] == '.'){
					if (visited[i[0]][i[1]] > node[2]){
						visited[i[0]][i[1]] = node[2];
						sus.push_front({i[0], i[1], node[2]});
					}
				}
				else{

					if (visited[i[0]][i[1]] > node[2]+1 ){

						visited[i[0]][i[1]] = node[2]+1;
						sus.push_back({i[0], i[1], node[2]+1});
					}
				}
			}
		}

		for (auto&i : temp){
			if (visited[i[0]][i[1]] > node[2]+1){
				visited[i[0]][i[1]] = node[2]+1;
				sus.push_back({i[0], i[1], node[2]+1});
			}
		}

	}

	cout << ans << endl;








}

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 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 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 600 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 43 ms 1424 KB Output is correct
20 Execution timed out 2083 ms 2080 KB Time limit exceeded
21 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 0 ms 348 KB Output is correct
3 Correct 0 ms 352 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 0 ms 360 KB Output is correct
9 Correct 0 ms 360 KB Output is correct
10 Correct 1 ms 360 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 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 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 2 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 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 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
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 1 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 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 1 ms 348 KB Output is correct
9 Correct 4 ms 348 KB Output is correct
10 Correct 1 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 1 ms 344 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 0 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 0 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 344 KB Output is correct
22 Correct 1 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 12 ms 1116 KB Output is correct
26 Correct 123 ms 4472 KB Output is correct
27 Correct 60 ms 2900 KB Output is correct
28 Correct 855 ms 2536 KB Output is correct
29 Correct 3 ms 1368 KB Output is correct
30 Correct 1 ms 1372 KB Output is correct
31 Correct 292 ms 1984 KB Output is correct
32 Correct 4 ms 1368 KB Output is correct
33 Correct 3 ms 1372 KB Output is correct
34 Correct 12 ms 4956 KB Output is correct
35 Correct 64 ms 4996 KB Output is correct
36 Execution timed out 2009 ms 4620 KB Time limit exceeded
37 Halted 0 ms 0 KB -

Subtask #4
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 352 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 0 ms 360 KB Output is correct
9 Correct 0 ms 360 KB Output is correct
10 Correct 1 ms 360 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 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 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 2 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 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 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 32 ms 1372 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 10 ms 604 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Execution timed out 2100 ms 2080 KB Time limit exceeded
38 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 0 ms 348 KB Output is correct
3 Correct 0 ms 352 KB Output is correct
4 Correct 0 ms 360 KB Output is correct
5 Correct 0 ms 360 KB Output is correct
6 Correct 0 ms 360 KB Output is correct
7 Correct 0 ms 360 KB Output is correct
8 Correct 0 ms 360 KB Output is correct
9 Correct 0 ms 360 KB Output is correct
10 Correct 1 ms 360 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 3 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 348 KB Output is correct
16 Correct 3 ms 348 KB Output is correct
17 Correct 2 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 1 ms 348 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 1 ms 344 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 0 ms 348 KB Output is correct
27 Correct 0 ms 348 KB Output is correct
28 Correct 1 ms 348 KB Output is correct
29 Correct 1 ms 348 KB Output is correct
30 Correct 0 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 32 ms 1372 KB Output is correct
34 Correct 1 ms 348 KB Output is correct
35 Correct 10 ms 604 KB Output is correct
36 Correct 7 ms 1116 KB Output is correct
37 Execution timed out 2100 ms 2080 KB Time limit exceeded
38 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 0 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 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 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 600 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 43 ms 1424 KB Output is correct
20 Execution timed out 2083 ms 2080 KB Time limit exceeded
21 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 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 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 600 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 43 ms 1424 KB Output is correct
20 Execution timed out 2083 ms 2080 KB Time limit exceeded
21 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 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 2 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 600 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 348 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 43 ms 1424 KB Output is correct
20 Execution timed out 2083 ms 2080 KB Time limit exceeded
21 Halted 0 ms 0 KB -