#include <bits/stdc++.h>
using namespace std;
const int N = 105;
int n, m, sx, sy, ex, ey;
char mat[N][N];
int dfs(int x, int y, int d = 1){
if (x < 1 or y < 1 or x > n or y > m) return 1e9;
if (mat[x][y] == 'x') return d;
if (mat[x][y] == '.' or mat[x][y] == 'o') return 1e9;
if (mat[x][y] == '>') return dfs(x, y + 1, d + 1);
if (mat[x][y] == '<') return dfs(x, y - 1, d + 1);
if (mat[x][y] == 'v') return dfs(x + 1, y, d + 1);
if (mat[x][y] == '^') return dfs(x - 1, y, d + 1);
}
int main(){
// E N S W
cin >> n >> m;
for (int i = 1; i <= n; i ++){
for (int j = 1; j <= m; j ++){
cin >> mat[i][j];
if (mat[i][j] == 'o')
sx = i, sy = j;
if (mat[i][j] == 'x')
ex = i, ey = j;
}
}
vector<pair<int, char>> vec;
vec.push_back({dfs(sx, sy + 1), 'E'});
vec.push_back({dfs(sx - 1, sy), 'N'});
vec.push_back({dfs(sx + 1, sy), 'S'});
vec.push_back({dfs(sx, sy - 1), 'W'});
sort(vec.begin(), vec.end());
if (vec[0].first != 1e9){
cout << ":)" << endl;
cout << vec[0].second << endl;
}
else
cout << ":(" << endl;
}
Compilation message
patkice.cpp: In function 'int dfs(int, int, int)':
patkice.cpp:18:1: warning: control reaches end of non-void function [-Wreturn-type]
18 | }
| ^
# |
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 |
448 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 |
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 |
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 |
0 ms |
344 KB |
Output is correct |
7 |
Correct |
0 ms |
348 KB |
Output is correct |
8 |
Correct |
1 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 |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
344 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
1 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |