Submission #445319

#	Time	Username	Problem	Language	Result	Execution time	Memory
445319		grt	Patkice (COCI20_patkice)	C++17	50 / 50	1 ms	332 KiB

patkice

#include <bits/stdc++.h>
#define ST first
#define ND second
#define PB push_back

using namespace std;
using ll = long long;
using pi = pair<int,int>;
using vi = vector<int>;

const int INF = 1e9, nax = 110;
int n, m;
char t[nax][nax];
pi src, tar;

int path(int x, int y) {
	int d = 1;
	while(1) {
		if(t[x][y] == '>') y++;
		else if(t[x][y] == '<') y--;
		else if(t[x][y] == '^') x--;
		else if(t[x][y] == 'v') x++;
		else if(t[x][y] == 'x') return d;
		else return INF;
		d++;
	}
}



int main() {
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cin >> n >> m;
	for(int i = 0; i < n; ++i) {
		for(int j = 0; j < m; ++j) {
			cin >> t[i][j];
			if(t[i][j] == 'o') src = {i, j};
			else if(t[i][j] == 'x') tar = {i, j};
		}
	}
	pair<int, char>ans = {INF, 'A'};
	if(src.ST > 0) ans = min(ans, {path(src.ST - 1, src.ND), 'N'});
	if(src.ST < n) ans = min(ans, {path(src.ST + 1, src.ND), 'S'});
	if(src.ND < m) ans = min(ans, {path(src.ST, src.ND + 1), 'E'});
	if(src.ND > 0) ans = min(ans, {path(src.ST, src.ND - 1), 'W'});
	if(ans.ND == 'A') cout << ":(";
	else cout << ":)\n" << ans.ND;
			
}

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