oj.uz

Submission #448523

# Submission time Handle Problem Language Result Execution time Memory
448523 2021-07-30T11:23:58 Z mychecksedad Awesome Arrowland Adventure (eJOI19_adventure) C++17
100 / 100
 143 ms 47676 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
const int N = 1000;
#define pii pair<int,int>
#define pb push_back
struct Edge{
    int x, y, w;
};

int n, m, dist[N][N];
char c;
vector<Edge> g[N][N];
bool vis[N][N];


int main(){
    cin.tie(0); ios::sync_with_stdio(0);
    cin >> n >> m;
    int arr[4][2]={{-1, 0}, {0, 1}, {1, 0}, {0, -1}};
    for(int i = 0; i <= N-1; i++) for(int j = 0; j <= N-1; j++) {dist[i][j] = 1e9; vis[i][j] = 0;}
    Edge e;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= m; j++){
            cin >> c;
            int co;
            if(c == 'N'){
                co = 0;
                for(int k = 0; k < 4; k++){
                    e.x = i + arr[(k+co)%4][0];
                    e.y = j + arr[(k+co)%4][1];
                    e.w = k;
                    g[i][j].pb(e);
                }
            }else if(c == 'E'){
                co=1;
                for(int k = 0; k < 4; k++){
                    e.x = i + arr[(k+co)%4][0];
                    e.y = j + arr[(k+co)%4][1];
                    e.w = k;
                    g[i][j].pb(e);
                }
            }else if(c == 'S'){
                co=2;
                for(int k = 0; k < 4; k++){
                    e.x = i + arr[(k+co)%4][0];
                    e.y = j + arr[(k+co)%4][1];
                    e.w = k;
                    g[i][j].pb(e);
                }
            }else if(c == 'W'){
                co=3;
                for(int k = 0; k < 4; k++){
                    e.x = i + arr[(k+co)%4][0];
                    e.y = j + arr[(k+co)%4][1];
                    e.w = k;
                    g[i][j].pb(e);
                }
            }
        }   
    }
    dist[1][1] = 0;
    priority_queue<pair<int, pii>> q;
    q.push({0, {1, 1}});

    while(!q.empty()){
        int x = q.top().second.first, y = q.top().second.second;
        q.pop();
        if(vis[x][y]) continue;
        vis[x][y] = 1;
        for(Edge u: g[x][y]){
            if(dist[x][y] + u.w < dist[u.x][u.y]){
                dist[u.x][u.y] = dist[x][y] + u.w;
                q.push({-dist[u.x][u.y], {u.x, u.y}});
            }
        }
    }
    cout << (!vis[n][m] ? -1 : dist[n][m]);
    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 28620 KB Output is correct
2 Correct 16 ms 28612 KB Output is correct
3 Correct 16 ms 28708 KB Output is correct
4 Correct 16 ms 28620 KB Output is correct
5 Correct 16 ms 28712 KB Output is correct
6 Correct 16 ms 28620 KB Output is correct
7 Correct 16 ms 28620 KB Output is correct
8 Correct 16 ms 28620 KB Output is correct
9 Correct 16 ms 28712 KB Output is correct
10 Correct 16 ms 28620 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 28620 KB Output is correct
2 Correct 16 ms 28612 KB Output is correct
3 Correct 16 ms 28708 KB Output is correct
4 Correct 16 ms 28620 KB Output is correct
5 Correct 16 ms 28712 KB Output is correct
6 Correct 16 ms 28620 KB Output is correct
7 Correct 16 ms 28620 KB Output is correct
8 Correct 16 ms 28620 KB Output is correct
9 Correct 16 ms 28712 KB Output is correct
10 Correct 16 ms 28620 KB Output is correct
11 Correct 16 ms 28636 KB Output is correct
12 Correct 16 ms 28664 KB Output is correct
13 Correct 16 ms 28712 KB Output is correct
14 Correct 17 ms 28680 KB Output is correct
15 Correct 16 ms 28664 KB Output is correct
16 Correct 16 ms 28588 KB Output is correct
17 Correct 16 ms 28620 KB Output is correct
18 Correct 16 ms 28584 KB Output is correct
19 Correct 16 ms 28588 KB Output is correct
20 Correct 16 ms 28620 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 17 ms 28648 KB Output is correct
2 Correct 16 ms 28620 KB Output is correct
3 Correct 16 ms 28672 KB Output is correct
4 Correct 16 ms 28620 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 28620 KB Output is correct
2 Correct 15 ms 28588 KB Output is correct
3 Correct 16 ms 28608 KB Output is correct
4 Correct 16 ms 28636 KB Output is correct
5 Correct 16 ms 28672 KB Output is correct
6 Correct 17 ms 28656 KB Output is correct
7 Correct 16 ms 28620 KB Output is correct
8 Correct 16 ms 28676 KB Output is correct
9 Correct 16 ms 28620 KB Output is correct
10 Correct 17 ms 28620 KB Output is correct

Subtask #5
50.0 / 50.0

# Verdict Execution time Memory Grader output
1 Correct 16 ms 28620 KB Output is correct
2 Correct 16 ms 28612 KB Output is correct
3 Correct 16 ms 28708 KB Output is correct
4 Correct 16 ms 28620 KB Output is correct
5 Correct 16 ms 28712 KB Output is correct
6 Correct 16 ms 28620 KB Output is correct
7 Correct 16 ms 28620 KB Output is correct
8 Correct 16 ms 28620 KB Output is correct
9 Correct 16 ms 28712 KB Output is correct
10 Correct 16 ms 28620 KB Output is correct
11 Correct 16 ms 28636 KB Output is correct
12 Correct 16 ms 28664 KB Output is correct
13 Correct 16 ms 28712 KB Output is correct
14 Correct 17 ms 28680 KB Output is correct
15 Correct 16 ms 28664 KB Output is correct
16 Correct 16 ms 28588 KB Output is correct
17 Correct 16 ms 28620 KB Output is correct
18 Correct 16 ms 28584 KB Output is correct
19 Correct 16 ms 28588 KB Output is correct
20 Correct 16 ms 28620 KB Output is correct
21 Correct 17 ms 28648 KB Output is correct
22 Correct 16 ms 28620 KB Output is correct
23 Correct 16 ms 28672 KB Output is correct
24 Correct 16 ms 28620 KB Output is correct
25 Correct 16 ms 28620 KB Output is correct
26 Correct 15 ms 28588 KB Output is correct
27 Correct 16 ms 28608 KB Output is correct
28 Correct 16 ms 28636 KB Output is correct
29 Correct 16 ms 28672 KB Output is correct
30 Correct 17 ms 28656 KB Output is correct
31 Correct 16 ms 28620 KB Output is correct
32 Correct 16 ms 28676 KB Output is correct
33 Correct 16 ms 28620 KB Output is correct
34 Correct 17 ms 28620 KB Output is correct
35 Correct 25 ms 29772 KB Output is correct
36 Correct 16 ms 28796 KB Output is correct
37 Correct 25 ms 29980 KB Output is correct
38 Correct 22 ms 30792 KB Output is correct
39 Correct 113 ms 41484 KB Output is correct
40 Correct 115 ms 41496 KB Output is correct
41 Correct 57 ms 41344 KB Output is correct
42 Correct 117 ms 41476 KB Output is correct
43 Correct 143 ms 47676 KB Output is correct
44 Correct 56 ms 41412 KB Output is correct