#include<bits/stdc++.h>
using namespace std;
#define debug cout << "here\n";
#define koor pair<int, pair<int, int>>
#define fi first
#define se second
int n,m;
bool ketemu;
char taman[503][503];
bool explored[503][503];
int dx[8] = {-1,0,1,0,-1,0,1,0},
dy[8] = {0,1,0,-1,0,1,0,-1};
void djikstra(){
priority_queue<koor, vector<koor>, greater<>> pq;
pq.push({0,{1,1}});
while(!pq.empty()){
int putar = pq.top().fi,
x = pq.top().se.fi,
y = pq.top().se.se;
pq.pop();
//cout << x << ", " << y << " ->" << putar << '\n';
if(x==n && y==m){
cout << putar;
ketemu = true;
break;
}
if(explored[x][y] || taman[x][y] == 'X') continue;
else explored[x][y] = true;
char arah = taman[x][y];
if(arah == 'N'){
for(int i = 0; i < 4; i++){
if(x+dx[i] <= n && y+dy[i] <= m && x+dx[i] >= 1 && y+dy[i] >= 1)
pq.push({putar+i, { x+dx[i], y+dy[i] } } );
}
}else if(arah == 'E'){
for(int i = 1; i < 5; i++){
if(x+dx[i] <= n && y+dy[i] <= m && x+dx[i] >= 1 && y+dy[i] >= 1)
pq.push({putar+i-1, { x+dx[i], y+dy[i] } } );
}
}else if(arah == 'S'){
for(int i = 2; i < 6; i++){
if(x+dx[i] <= n && y+dy[i] <= m && x+dx[i] >= 1 && y+dy[i] >= 1)
pq.push({putar+i-2, { x+dx[i], y+dy[i] } } );
}
}else {
for(int i = 3; i < 7; i++){
if(x+dx[i] <= n && y+dy[i] <= m && x+dx[i] >= 1 && y+dy[i] >= 1)
pq.push({putar+i-3, { x+dx[i], y+dy[i] } } );
}
}
}
}
int main (){
cin >> n >> m;
for(int i = 1; i <= n; i++){
for(int j = 1; j <= m; j++){
cin >> taman[i][j];
}
}
djikstra();
if(!ketemu) cout << -1;
return 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 |
0 ms |
348 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 |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
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 |
0 ms |
348 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 |
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 |
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 |
0 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 |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
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 |
0 ms |
348 KB |
Output is correct |
# |
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 |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
# |
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 |
0 ms |
348 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 |
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 |
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 |
0 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 |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
0 ms |
344 KB |
Output is correct |
26 |
Correct |
0 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 |
0 ms |
348 KB |
Output is correct |
30 |
Correct |
1 ms |
348 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
0 ms |
348 KB |
Output is correct |
33 |
Correct |
1 ms |
348 KB |
Output is correct |
34 |
Correct |
0 ms |
348 KB |
Output is correct |
35 |
Correct |
9 ms |
348 KB |
Output is correct |
36 |
Correct |
0 ms |
348 KB |
Output is correct |
37 |
Correct |
11 ms |
348 KB |
Output is correct |
38 |
Correct |
2 ms |
348 KB |
Output is correct |
39 |
Correct |
112 ms |
880 KB |
Output is correct |
40 |
Correct |
111 ms |
860 KB |
Output is correct |
41 |
Correct |
9 ms |
1116 KB |
Output is correct |
42 |
Correct |
110 ms |
860 KB |
Output is correct |
43 |
Correct |
62 ms |
15036 KB |
Output is correct |
44 |
Correct |
9 ms |
604 KB |
Output is correct |