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[Simulation] swea-5656
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Diff for: ‎README.md

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| 25 | | [Baekjoon-17779 게리맨더링 2](./src/Simulation/P17779) | |
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| 26 | | [Baekjoon-2564 경비원](./src/Simulation/P2564) | |
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| 27 | | [Baekjoon-17144 미세먼지 안녕!](./src/Simulation/P17144) | |
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| 28 | | [SWEA-5656 벽돌 깨기](./src/Simulation/swea5656) | |
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## String
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Diff for: ‎src/Simulation/swea5656/README.md

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## [SW Expert Academy - 5656] 벽돌 깨기
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![1](https://user-images.githubusercontent.com/22045163/114741910-31b42480-9d86-11eb-8383-03266eb936a8.jpg)
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![2](https://user-images.githubusercontent.com/22045163/114741905-311b8e00-9d86-11eb-8638-16fbb2319616.jpg)
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![3](https://user-images.githubusercontent.com/22045163/114741900-2fea6100-9d86-11eb-957b-d110d95d36ea.jpg)
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![4](https://user-images.githubusercontent.com/22045163/114741876-2a8d1680-9d86-11eb-9aaf-35800c9a7c6a.jpg)
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![image](https://user-images.githubusercontent.com/22045163/114741252-899e5b80-9d85-11eb-9e43-38674cd79077.png)
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오우 진짜 어렵다 ㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋㅋ

Diff for: ‎src/Simulation/swea5656/Solution.java

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package Simulation.swea5656;
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import java.io.*;
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import java.util.*;
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public class Solution {
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static int T, N, W, H, ans;
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static int[][] map, tmp;
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static int[] di = {-1, 0, 1, 0};
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static int[] dj = {0, 1, 0, -1};
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public static void main(String[] args) throws Exception {
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System.setIn(new FileInputStream("src/Simulation/swea5656/sample_input.txt"));
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BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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StringBuilder sb = new StringBuilder();
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T = Integer.parseInt(br.readLine());
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for (int t = 1; t <= T; t++) {
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StringTokenizer st = new StringTokenizer(br.readLine());
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N = Integer.parseInt(st.nextToken());
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W = Integer.parseInt(st.nextToken());
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H = Integer.parseInt(st.nextToken());
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map = new int[H][W];
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for (int i = 0; i < H; i++) {
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st = new StringTokenizer(br.readLine());
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for (int j = 0; j < W; j++) {
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map[i][j] = Integer.parseInt(st.nextToken());
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}
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}
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tmp = new int[H][W];
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ans = W*H;
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dfs(0, ans);
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sb.append("#").append(t).append(" ").append(ans).append("\n");
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}
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System.out.println(sb.toString());
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}
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static void dfs(int cnt, int res) {
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if (cnt == N || res == 0) {
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ans = Math.min(ans, res);
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return;
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}
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for (int w = 0; w < W; w++) {
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for (int h = 0; h < H; h++) {
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if (map[h][w] > 0) {
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int[][] copy = new int[H][W];
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for (int i = 0; i < H; i++) {
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copy[i] = Arrays.copyOf(map[i], W);
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tmp[i] = Arrays.copyOf(map[i], W);
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}
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crash(h, w);
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dfs(cnt+1, down());
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for (int i = 0; i < H; i++) map[i] = Arrays.copyOf(copy[i], W);
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break;
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}
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}
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}
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}
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static void crash(int i, int j) {
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tmp[i][j] = 0;
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for (int k = 0; k < 4; k++) {
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for (int n = 1; n < map[i][j]; n++) {
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int to_i = i + di[k]*n;
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int to_j = j + dj[k]*n;
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if (!isValidPath(to_i, to_j)) break;
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if (tmp[to_i][to_j] > 0) crash(to_i, to_j);
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}
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}
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}
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static int down() {
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int cnt = 0;
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map = new int[H][W];
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for (int j = 0; j < W; j++) {
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for (int i = H-1, k = H-1; i >= 0; i--) {
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if (tmp[i][j] > 0) {
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map[k--][j] = tmp[i][j];
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cnt ++;
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}
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}
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}
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return cnt;
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}
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static boolean isValidPath(int i, int j) {
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return 0 <= i && i < H && 0 <= j && j < W;
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}
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}

Diff for: ‎src/Simulation/swea5656/sample_input.txt

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5
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3 10 10
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0 0 0 0 0 0 0 0 0 0
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1 0 1 0 1 0 0 0 0 0
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1 0 3 0 1 1 0 0 0 1
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1 1 1 0 1 2 0 0 0 9
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1 1 4 0 1 1 0 0 1 1
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1 1 4 1 1 1 2 1 1 1
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1 1 5 1 1 1 1 2 1 1
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1 1 6 1 1 1 1 1 2 1
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1 1 1 1 1 1 1 1 1 5
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1 1 7 1 1 1 1 1 1 1
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2 9 10
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0 0 0 0 0 0 0 0 0
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0 0 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0 0
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0 1 0 0 0 0 0 0 0
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1 1 0 0 1 0 0 0 0
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1 1 0 1 1 1 0 1 0
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1 1 0 1 1 1 0 1 0
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1 1 1 1 1 1 1 1 0
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1 1 3 1 6 1 1 1 1
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1 1 1 1 1 1 1 1 1
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3 6 7
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1 1 0 0 0 0
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1 1 0 0 1 0
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1 1 0 0 4 0
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4 1 0 0 1 0
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1 5 1 0 1 6
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1 2 8 1 1 6
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1 1 1 9 2 1
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4 4 15
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0 0 0 0
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0 0 0 0
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0 0 0 0
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1 0 0 0
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1 0 0 0
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1 0 0 0
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1 0 0 0
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1 0 5 0
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1 1 1 0
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1 1 1 9
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1 1 1 1
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1 6 1 2
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1 1 1 5
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1 1 1 1
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2 1 1 2
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4 12 15
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9
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9 9 9 9 9 9 9 9 9 9 9 9

Diff for: ‎src/Simulation/swea5656/sample_output.txt

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#1 12
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#2 27
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#3 4
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#4 8
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#5 0

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