oj.uz

답안 #465188

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
465188 2021-08-15T10:21:08 Z Elias Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 101 ms 30036 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long

vector<vector<pair<int, int>>> adj;
vector<bool> visited;

int dijkstra(int s, int e)
{
	priority_queue<pair<int, int>, vector<pair<int, int>>, greater<pair<int, int>>> pq;
	pq.push({0, s});

	while (pq.size())
	{
		auto [dist, x] = pq.top();
		pq.pop();
		if (visited[x])
			continue;
		visited[x] = true;

		if (x == e)
			return dist;
		for (auto [d, c] : adj[x])
		{
			if (visited[c])
				continue;
			pq.push({d + dist, c});
		}
	}

	return -1;
}

signed main()
{
	cin.tie(0);
	ios_base::sync_with_stdio(false);

	int n, m;
	cin >> m >> n;

	adj = vector<vector<pair<int, int>>>(n * m);
	visited = vector<bool>(n * m, false);

	vector<pair<int, int>> dirs{{0, -1}, {1, 0}, {0, 1}, {-1, 0}};

	string row;

	for (int y = 0; y < m; y++)
	{
		cin >> row;
		for (int x = 0; x < n; x++)
		{
			int dir = row[x];
			if (dir == 'X')
				continue;
			if (dir == 'N')
				dir = 0;
			if (dir == 'E')
				dir = 3;
			if (dir == 'S')
				dir = 2;
			if (dir == 'W')
				dir = 1;

			for (auto [pX, pY] : dirs)
			{
				int dist = dir;
				dir = (dir + 1) % 4;

				int newX = x + pX;
				int newY = y + pY;
				if (newX < 0 || newX >= n || newY < 0 || newY >= m)
					continue;

				adj[x + y * n].push_back({dist, newX + newY * n});
			}
		}
	}

	//throw exception();

	cout << dijkstra(0, n * m - 1);
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct

Subtask #2
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct

Subtask #3
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 204 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 204 KB Output is correct
4 Correct 0 ms 204 KB Output is correct

Subtask #4
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 1 ms 332 KB Output is correct
8 Correct 1 ms 204 KB Output is correct
9 Correct 1 ms 332 KB Output is correct
10 Correct 1 ms 312 KB Output is correct

Subtask #5
50.0 / 50.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 332 KB Output is correct
2 Correct 0 ms 204 KB Output is correct
3 Correct 0 ms 332 KB Output is correct
4 Correct 0 ms 332 KB Output is correct
5 Correct 0 ms 332 KB Output is correct
6 Correct 1 ms 204 KB Output is correct
7 Correct 0 ms 204 KB Output is correct
8 Correct 0 ms 204 KB Output is correct
9 Correct 0 ms 332 KB Output is correct
10 Correct 0 ms 204 KB Output is correct
11 Correct 0 ms 204 KB Output is correct
12 Correct 1 ms 332 KB Output is correct
13 Correct 0 ms 332 KB Output is correct
14 Correct 0 ms 204 KB Output is correct
15 Correct 1 ms 204 KB Output is correct
16 Correct 0 ms 332 KB Output is correct
17 Correct 1 ms 332 KB Output is correct
18 Correct 0 ms 204 KB Output is correct
19 Correct 0 ms 204 KB Output is correct
20 Correct 0 ms 332 KB Output is correct
21 Correct 0 ms 204 KB Output is correct
22 Correct 0 ms 204 KB Output is correct
23 Correct 0 ms 204 KB Output is correct
24 Correct 0 ms 204 KB Output is correct
25 Correct 1 ms 332 KB Output is correct
26 Correct 0 ms 204 KB Output is correct
27 Correct 1 ms 332 KB Output is correct
28 Correct 1 ms 332 KB Output is correct
29 Correct 1 ms 332 KB Output is correct
30 Correct 1 ms 332 KB Output is correct
31 Correct 1 ms 332 KB Output is correct
32 Correct 1 ms 204 KB Output is correct
33 Correct 1 ms 332 KB Output is correct
34 Correct 1 ms 312 KB Output is correct
35 Correct 8 ms 2252 KB Output is correct
36 Correct 1 ms 460 KB Output is correct
37 Correct 10 ms 2572 KB Output is correct
38 Correct 7 ms 3872 KB Output is correct
39 Correct 98 ms 22248 KB Output is correct
40 Correct 101 ms 22100 KB Output is correct
41 Correct 41 ms 22052 KB Output is correct
42 Correct 100 ms 22084 KB Output is correct
43 Correct 91 ms 30036 KB Output is correct
44 Correct 41 ms 22076 KB Output is correct