oj.uz

Submission #882093

# Submission time Handle Problem Language Result Execution time Memory
882093 2023-12-02T15:15:10 Z spetar76 Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 78 ms 22472 KB 
#include <bits/stdc++.h>

using namespace std;
#define maxn 250052
int v,n,m,e;
int ind(int i, int j)
{
    return (i-1)*n+j;
}
vector<pair<int,int>> adj[maxn];
int dist[maxn];
bool pos[maxn];
priority_queue<pair<int,int>, vector<pair<int,int>>, greater<pair<int,int>>> q;

void dijkstra(int pocetan)
{
    //dist[pocetan]=0;
    for (int i=0; i<=n*m; ++i){
        dist[i]=-1;
    }
    q.push(make_pair(0, pocetan));
    while (!q.empty()){
        pair<int,int> x=q.top();
        q.pop();
        if (!pos[x.second]){
            dist[x.second]=x.first;
            pos[x.second]=true;
            for (auto i:adj[x.second]){
                if (!pos[i.first]){
                    q.push(make_pair(x.first + i.second, i.first));
                }
            }
        }

    }
    return;
}

int main()
{
    cin>>m>>n;
    int a[m+1][n+1];
    for (int i=1; i<=m; ++i){
        string st;
        cin>>st;
        for (int j=0; j<n; ++j){
            if (st[j]=='X'){a[i][j+1]=-1;}
            else if (st[j]=='E'){a[i][j+1]=0;}
            else if (st[j]=='S'){a[i][j+1]=1;}
            else if (st[j]=='W'){a[i][j+1]=2;}
            else{a[i][j+1]=3;}
        }
    }

    for (int i=1; i<=m; ++i){
        for (int j=1; j<=n; ++j){
            if (j<n && a[i][j]>=0){
                adj[ind(i,j)].push_back(make_pair(ind(i,j+1), (4-a[i][j])%4));
            }
            if (j>1 && a[i][j]>=0){
                adj[ind(i,j)].push_back(make_pair(ind(i,j-1), (6-a[i][j])%4));
            }
            if (i>1 && a[i][j]>=0){
                adj[ind(i,j)].push_back(make_pair(ind(i-1,j), (7-a[i][j])%4));
            }
            if (i<m && a[i][j]>=0){
                adj[ind(i,j)].push_back(make_pair(ind(i+1,j), (5-a[i][j])%4));
            }
        }
    }
    dijkstra(1);
    cout<<dist[m*n];
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 1 ms 7260 KB Output is correct
6 Correct 2 ms 7256 KB Output is correct
7 Correct 2 ms 7256 KB Output is correct
8 Correct 1 ms 7260 KB Output is correct
9 Correct 2 ms 7256 KB Output is correct
10 Correct 2 ms 7260 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 1 ms 7260 KB Output is correct
6 Correct 2 ms 7256 KB Output is correct
7 Correct 2 ms 7256 KB Output is correct
8 Correct 1 ms 7260 KB Output is correct
9 Correct 2 ms 7256 KB Output is correct
10 Correct 2 ms 7260 KB Output is correct
11 Correct 1 ms 7260 KB Output is correct
12 Correct 2 ms 7260 KB Output is correct
13 Correct 2 ms 7360 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7256 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 1 ms 7260 KB Output is correct
20 Correct 2 ms 7260 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7512 KB Output is correct
2 Correct 2 ms 7348 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 1 ms 7260 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 2 ms 7260 KB Output is correct
7 Correct 2 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 2 ms 7260 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7256 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 2 ms 7260 KB Output is correct
5 Correct 1 ms 7260 KB Output is correct
6 Correct 2 ms 7256 KB Output is correct
7 Correct 2 ms 7256 KB Output is correct
8 Correct 1 ms 7260 KB Output is correct
9 Correct 2 ms 7256 KB Output is correct
10 Correct 2 ms 7260 KB Output is correct
11 Correct 1 ms 7260 KB Output is correct
12 Correct 2 ms 7260 KB Output is correct
13 Correct 2 ms 7360 KB Output is correct
14 Correct 2 ms 7260 KB Output is correct
15 Correct 2 ms 7260 KB Output is correct
16 Correct 2 ms 7260 KB Output is correct
17 Correct 2 ms 7256 KB Output is correct
18 Correct 2 ms 7260 KB Output is correct
19 Correct 1 ms 7260 KB Output is correct
20 Correct 2 ms 7260 KB Output is correct
21 Correct 2 ms 7512 KB Output is correct
22 Correct 2 ms 7348 KB Output is correct
23 Correct 2 ms 7260 KB Output is correct
24 Correct 1 ms 7260 KB Output is correct
25 Correct 2 ms 7260 KB Output is correct
26 Correct 2 ms 7260 KB Output is correct
27 Correct 2 ms 7260 KB Output is correct
28 Correct 2 ms 7260 KB Output is correct
29 Correct 2 ms 7260 KB Output is correct
30 Correct 2 ms 7260 KB Output is correct
31 Correct 2 ms 7260 KB Output is correct
32 Correct 2 ms 7260 KB Output is correct
33 Correct 2 ms 7260 KB Output is correct
34 Correct 2 ms 7260 KB Output is correct
35 Correct 9 ms 8284 KB Output is correct
36 Correct 2 ms 7256 KB Output is correct
37 Correct 8 ms 8280 KB Output is correct
38 Correct 6 ms 9052 KB Output is correct
39 Correct 72 ms 18204 KB Output is correct
40 Correct 72 ms 18168 KB Output is correct
41 Correct 29 ms 17940 KB Output is correct
42 Correct 75 ms 18144 KB Output is correct
43 Correct 78 ms 22472 KB Output is correct
44 Correct 29 ms 17752 KB Output is correct