#include <bits/stdc++.h>
using namespace std;
#define int long long
#define OYY 1000000000005
#define faster ios_base::sync_with_stdio(false); cin.tie(NULL);
#define mid (start+end)/2
#define mod 1000000007
int n,m,dizi[505][505],uzak[505][505];
int cev=0,x,y;
map <pair<int,int>,int> mp;
void dfs(int i,int j){
//cout<<"de "<<i<<" "<<j<<endl;
mp[{i,j}]++;
if((mp[{i,j}]>5)){
cev=-1;
return ;
}
if((i==n-1 && j==m-1)){
return ;
}
if(dizi[i][j]==0)x=i-1,y=j;
else if(dizi[i][j]==1)x=i,y=j+1;
else if(dizi[i][j]==2)x=i+1,y=j;
else if(dizi[i][j]==3)x=i,y=j-1;
else {
if(i==n-1 && j==m-1){
return ;
}
dizi[i][j]++;
if(dizi[i][j]==4)dizi[i][j]=0;
cev++;
dfs(i,j);
//cev=-1;
//return ;
}
//cout<<x<<" "<<y<<endl;
if(x<0 || x>=n || y<0 || y>=n){
dizi[i][j]++;
if(dizi[i][j]==4)dizi[i][j]=0;
cev++;
//cout<<"icerde"<<x<<" "<<y<<" "<<cev<<endl;
dfs(i,j);
return ;
}
dfs(x,y);
}
int32_t main(){
//faster
cin>>n>>m;
char c;
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
cin>>c;
if(c=='N')dizi[i][j]=0;
else if(c=='E')dizi[i][j]=1;
else if(c=='S')dizi[i][j]=2;
else if(c=='W')dizi[i][j]=3;
else if(c=='X')dizi[i][j]=-1;
}
}
dfs(0,0);
cout<<cev<<'\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |