제출 #1016490

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1016490		vjudge1	Patkice (COCI20_patkice)	C++17	30 / 50	1 ms	440 KiB

patkice

#include<bits/stdc++.h>

using namespace std;

const int N = 100 + 10;
char M[N][N];
int cnt = 0, ans = 1e9;
bool found = false;
string out = ":(\n";
void dfs(int x, int y)
{
  cnt++;
  if(M[x][y] == 'x')
    {
      found = true;
      return;
    }

  if(M[x][y] == '^')
    dfs(x - 1, y);
  if(M[x][y] == 'v')
    dfs(x + 1, y);
  if(M[x][y] == '>')
    dfs(x, y + 1);
  if(M[x][y] == '<')
    dfs(x, y - 1);
}

int main()
{
  int n, m;
  cin >> n >> m;
  for(int i = 0; i < n; i ++)
    for(int j = 0; j < m ; j ++)
      cin >> M[i][j];

  pair<int,int> O;
  for(int i = 0; i < n; i++)
    for(int j = 0; j < m; j ++)
      if(M[i][j] == 'o')
	O = {i, j};
  
  dfs(O.first, O.second + 1);
  if(found) {
    if(ans > cnt)
      out =  ":)\nE\n", ans = cnt;
  }
  cnt = 0, found = false;
  dfs(O.first - 1, O.second);
  if(found) {
   if(ans > cnt)
      out =  ":)\nN\n", ans = cnt;
  }
  cnt = 0, found = false;
  dfs(O.first, O.second - 1);
  if(found) {
   if(ans > cnt)
      out =  ":)\nW\n", ans = cnt;
  }

  cnt = 0, found = false;
  dfs(O.first + 1, O.second);
  if(found) {
   if(ans > cnt)
      out =  ":)\nS\n", ans = cnt;
  }
  
  cout << out;
  return 0;
}
// ENSW

• Subtask 1: 30 / 30
• Subtask 2: 0 / 20