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Submission #999719

# Submission time Handle Problem Language Result Execution time Memory
999719 2024-06-16T05:49:44 Z vjudge1 Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 214 ms 17652 KB 
#include <bits/stdc++.h>
using namespace std;
#define INF 1000000000
map<char, vector<vector<int>>> dir;
int n, m;
bool check(int x, int y){
    if (x >= 0 && x < n && y >= 0 && y < m){
        return true;
    }
    return false;
}
void init(){
    dir['N'] = {{0, -1, 0},{1, 0, 1}, {0, 1, 2}, {-1, 0, 3}};
    dir['E'] = {{0, -1, 3},{1, 0, 0}, {0, 1, 1}, {-1, 0, 2}};
    dir['S'] = {{0, -1, 2},{1, 0, 3}, {0, 1, 0}, {-1, 0, 1}};
    dir['W'] = {{0, -1, 1},{1, 0, 2}, {0, 1, 3}, {-1, 0, 0}};
    dir['X'] = {};
}
int bfs(vector<vector<char>> ma, vector<vector<int>> costs){
    priority_queue<vector<int>, vector<vector<int>>, greater<vector<int>>> q;
    q.push({0, 0, 0});
    costs[0][0] = 0;
    vector<vector<int>> us(m, vector<int>(n, 0));
    while(!q.empty()){
        vector<int> u = q.top();
        q.pop();
        vector<vector<int>> moves = dir[ma[u[2]][u[1]]];
        for (auto el : moves){
            int x = el[0] + u[1], y = el[1] + u[2];
            if (check(x, y) && costs[y][x] > costs[u[2]][u[1]] + el[2]){
                costs[y][x] = costs[u[2]][u[1]] + el[2];
                if (us[y][x] == 0){
                    q.push({costs[y][x], x, y});
                }
                us[y][x];
            }
        }
    }
    return costs[m - 1][n - 1];
}
int main(){
    cin>>m>>n;
    vector<vector<char>> ma;
    vector<vector<int>> costs;
    char r;
    for (int i = 0; i < m; i++){
        ma.push_back({});
        costs.push_back({});
        for (int j = 0; j < n; j++){
            cin>>r;
            ma[i].push_back(r);
            costs[i].push_back(INF);
        }
    }
    init();
    int res = bfs(ma, costs);
    if (res == INF){
        cout<<-1;
    }
    else{
        cout<<res;
    }
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 344 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 600 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 344 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 600 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 436 KB Output is correct

Subtask #3
12.0 / 12.0

# 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 1 ms 348 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 344 KB Output is correct
2 Correct 1 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 348 KB Output is correct
6 Correct 1 ms 344 KB Output is correct
7 Correct 1 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

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 1 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 344 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 600 KB Output is correct
9 Correct 1 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 1 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 1 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 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 0 ms 436 KB Output is correct
21 Correct 0 ms 344 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 1 ms 344 KB Output is correct
26 Correct 1 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 1 ms 344 KB Output is correct
31 Correct 1 ms 348 KB Output is correct
32 Correct 0 ms 348 KB Output is correct
33 Correct 0 ms 348 KB Output is correct
34 Correct 0 ms 348 KB Output is correct
35 Correct 9 ms 604 KB Output is correct
36 Correct 0 ms 348 KB Output is correct
37 Correct 12 ms 876 KB Output is correct
38 Correct 2 ms 1116 KB Output is correct
39 Correct 121 ms 4284 KB Output is correct
40 Correct 119 ms 4264 KB Output is correct
41 Correct 16 ms 4184 KB Output is correct
42 Correct 104 ms 4188 KB Output is correct
43 Correct 214 ms 17652 KB Output is correct
44 Correct 9 ms 4188 KB Output is correct