#include <iostream>
#include <vector>
#include <cmath>
#include <algorithm>
using namespace std;
int direction(int i, int j, vector<vector<char>>&map){
int ans=0;
if (map[i][j]=='x') return ans;
if (map[i][j]=='>'){
int ans=direction(i, j+1, map);
if (ans==-1) return -1;
else return 1+ans;
}if (map[i][j]=='<'){
int ans=direction(i, j-1, map);
if (ans==-1) return -1;
else return 1+ans;
}if (map[i][j]=='^'){
int ans=direction(i-1, j, map);
if (ans==-1) return -1;
else return 1+ans;
}else if (map[i][j]=='v'){
int ans=direction(i+1, j, map);
if (ans==-1) return -1;
else return 1+ans;
}return ans-1;
}
int main(){
int r, c;
cin>>r>>c;
pair<int,int>start;
vector<vector<char>>map(r, vector<char>(c));
for (int i=0; i<r; i++){
for (int j=0; j<c; j++){
cin>>map[i][j];
if (map[i][j]=='o'){
start.first=i;
start.second=j;
}
}
}int E, N, S, W;
N=direction(start.first-1, start.second, map);
S=direction(start.first+1, start.second, map);
E=direction(start.first, start.second+1, map);
W=direction(start.first, start.second-1, map);
if (E==-1 and N==-1 and S==-1 and W==-1) cout<<":("<<endl;
else{
cout<<":)"<<endl;
if (E!=-1 and (E<=N or N==-1) and (E<=S or S==-1) and (E<=W or W==-1)) cout<<"E"<<endl;
else if (N!=-1 and (N<=E or E==-1) and (N<=S or S==-1) and (N<=W or W==-1)) cout<<"N"<<endl;
else if (S!=-1 and (S<=E or E==-1) and (S<=N or N==-1) and (S<=W or W==-1)) cout<<"S"<<endl;
else cout<<"W"<<endl;
}return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
304 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
300 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
212 KB |
Output is correct |
5 |
Correct |
1 ms |
212 KB |
Output is correct |
6 |
Correct |
1 ms |
212 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
1 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
1 ms |
304 KB |
Output is correct |
13 |
Correct |
1 ms |
212 KB |
Output is correct |
14 |
Correct |
1 ms |
212 KB |
Output is correct |
15 |
Correct |
1 ms |
224 KB |
Output is correct |
16 |
Correct |
1 ms |
212 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
1 ms |
212 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
212 KB |
Output is correct |