#include<bits/stdc++.h>
using namespace std;
#define int long long
#define ld long double
#define ft first
#define sd second
int n, m;
char ch[105][105];
pair<int, int>s;
const int dirx[4] = {0, 1, 0, -1};
const int diry[4] = {1, 0, -1, 0};
int dfs(int x, int y){
if(ch[x][y] == '.' || ch[x][y] == 'o')return -2e9;
if(ch[x][y] == 'x')return 1;
if(ch[x][y] == '^')return dfs(x - 1, y) + 1;
if(ch[x][y] == 'v')return dfs(x + 1, y) + 1;
if(ch[x][y] == '>')return dfs(x, y + 1) + 1;
if(ch[x][y] == '<')return dfs(x, y - 1) + 1;
}
void fun(){
ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
bool ok=false;
char c='h';
int mn=INT_MAX;
cin>>n>>m;
int x=0,y=0;
for (int i=1;i<=n;i++){
for (int j=1;j<=m;j++){
cin>>ch[i][j];
if (ch[i][j]=='o'){
x=i;
y=j;
}
}
}
for (int i=0;i<4;i++){
int d=dfs(x+dirx[i],y+diry[i]);
if (d<0) continue;
ok=true;
if (d<mn){
mn=d;
if (i==0) c='E';
if (i==1) c='N';
if (i==2) c='S';
if (i==3) c='W';
}
}
if (ok) cout<<":)"<<endl<<c<<endl;
else cout<<":("<<endl;
}
signed main(){
ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
int ttt = 1;
//cin>>ttt;
while(ttt--)fun();
}
Compilation message
patkice.cpp: In function 'long long int dfs(long long int, long long int)':
patkice.cpp:20:1: warning: control reaches end of non-void function [-Wreturn-type]
20 | }
| ^
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
0 ms |
212 KB |
Output isn't correct |
| 2 |
Halted |
0 ms |
0 KB |
- |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Incorrect |
1 ms |
212 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
