algorithms
software expert
소프트웨어 익스퍼트 2819 (software expert 2819)
·
소프트웨어 익스퍼트 2819 (software expert 2819)
소프트웨어 익스퍼트 2819
코드
import java.io.*;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.Queue;
public class SWE2819 {
static int t, T;
static int[][] map = new int[4][4];
static String[] ins;
static int[] dx = {0, 0, -1, 1};
static int[] dy = {-1, 1, 0, 0};
static HashMap<String, Integer> hm = new HashMap<>();
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
t = Integer.parseInt(br.readLine());
T = t;
while (T-- != 0) {
for (int i = 0; i < 4; i++) {
Arrays.fill(map[i], 0);
}
hm.clear();
for (int i = 0; i < 4; i++) {
ins = br.readLine().split(" ");
for (int j = 0; j < 4; j++) {
map[i][j] = Integer.parseInt(ins[j]);
}
}
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
bfs(new Point(i, j, 0, ""));
}
}
bw.write("#" + (t - T) + " " + hm.size() + "\n");
bw.flush();
}
bw.close();
}
public static void bfs(Point s) {
Queue<Point> q = new LinkedList<>();
q.offer(s);
while (!q.isEmpty()) {
Point cur = q.poll();
if (cur.c == 7 && !hm.containsKey(cur.s)) hm.put(cur.s, 1);
for (int i = 0; i < 4; i++) {
int nx = cur.x + dx[i];
int ny = cur.y + dy[i];
if (nx < 0 || nx > 3 || ny < 0 || ny > 3) continue;
if (cur.c < 7) q.offer(new Point(nx, ny, cur.c + 1, cur.s + map[nx][ny]));
}
}
}
private static class Point {
int x, y, c;
String s;
Point(int x, int y,int c, String s) {
this.x = x;this.y = y;this.c = c;this.s = s;
}
}
}
