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J-MUJ-MU
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‎src/main/java/org/example/_40week/Cubing.java‎

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package org.example._40week;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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public class Cubing {
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private static final BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
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private static final int TOP = 0;
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private static final int BOTTOM = 1;
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private static final int FRONT = 2;
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private static final int BACK = 3;
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private static final int LEFT = 4;
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private static final int RIGHT = 5;
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private static final int WHITE = 0;
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private static final int YELLOW = 1;
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private static final int RED = 2;
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private static final int ORANGE = 3;
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private static final int GREEN = 4;
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private static final int BLUE = 5;
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private static final StringBuilder sb = new StringBuilder();
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public static void main(String[] args) throws IOException {
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int testCaseCount = Integer.parseInt(br.readLine());
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// System.out.println();
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for (int test = 0; test < testCaseCount; test++) {
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Cube cube = new Cube();
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// System.out.println("초기 상태");
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// cube.debug(cube.cells);
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int rollingCount = Integer.parseInt(br.readLine());
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String[] operations = br.readLine().split(" ");
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for (int roll = 0; roll < rollingCount; roll++) {
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cube.roll(operations[roll]);
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}
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// System.out.println("돌린 후");
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// cube.debug(cube.cells);
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cube.print();
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}
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System.out.println(sb.toString());
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}
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private static class Cube {
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int[][][] cells;
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public Cube() {
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cells = new int[6][3][3];
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fill(TOP, WHITE);
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fill(BOTTOM, YELLOW);
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fill(FRONT, RED);
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fill(BACK, ORANGE);
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fill(LEFT, GREEN);
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fill(RIGHT, BLUE);
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}
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private void fill(int sideNo, int color) {
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for (int row = 0; row < 3; row++) {
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for (int col = 0; col < 3; col++) {
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cells[sideNo][row][col] = color;
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}
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}
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}
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public void roll(String operation) {
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int side = convertToSide(operation.charAt(0));
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char direction = operation.charAt(1);
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int[][][] temp = cloneArray();
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lookSideToTop(temp, side);
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System.out.println("바라보는 방향을 바꿔봐요");
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debug(temp);
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roll(temp, direction);
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System.out.println("실제로 돌린 후");
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debug(temp);
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lookTopToSide(temp, side);
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System.out.println("다시 윗면이 위로오도록 수정후");
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debug(cells);
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}
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private void lookTopToSide(int[][][] cells, int side) {
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switch (side) {
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case TOP:
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break;
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case BOTTOM:
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lookSideToTop(cells, BOTTOM);
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break;
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case FRONT:
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lookSideToTop(cells, BACK);
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break;
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case BACK:
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lookSideToTop(cells, FRONT);
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break;
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case LEFT:
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lookSideToTop(cells, RIGHT);
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break;
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case RIGHT:
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lookSideToTop(cells, LEFT);
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break;
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}
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this.cells = cells;
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}
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private void lookSideToTop(int[][][] cells, int side) {
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int[][] top = cells[TOP];
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int temp = 0;
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switch (side) {
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case TOP:
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break;
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case BOTTOM:
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int[][] front = cells[FRONT];
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cells[TOP] = cells[BOTTOM];
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cells[BOTTOM] = top;
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cells[FRONT] = cells[BACK];
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cells[BACK] = front;
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clockWise2Division(cells, LEFT, 2);
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counterClockWise2Division(cells, RIGHT, 2);
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break;
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case FRONT:
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cells[TOP] = cells[FRONT];
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cells[FRONT] = cells[BOTTOM];
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cells[BOTTOM] = cells[BACK];
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cells[BACK] = top;
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clockWise2Division(cells, RIGHT, 1);
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counterClockWise2Division(cells, LEFT, 1);
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break;
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case BACK:
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cells[TOP] = cells[BACK];
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cells[BACK] = cells[BOTTOM];
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cells[BOTTOM] = cells[FRONT];
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cells[FRONT] = top;
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clockWise2Division(cells, LEFT, 1);
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counterClockWise2Division(cells, RIGHT, 1);
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break;
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case LEFT:
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cells[TOP] = cells[LEFT];
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cells[LEFT] = cells[BOTTOM];
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cells[BOTTOM] = cells[RIGHT];
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cells[RIGHT] = top;
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counterClockWise2Division(cells, BACK, 1);
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clockWise2Division(cells, FRONT, 1);
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break;
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case RIGHT:
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cells[TOP] = cells[RIGHT];
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cells[RIGHT] = cells[BOTTOM];
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cells[BOTTOM] = cells[LEFT];
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cells[LEFT] = top;
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counterClockWise2Division(cells, FRONT, 1);
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clockWise2Division(cells, BACK, 1);
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break;
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}
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}
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private void counterClockWise2Division(int[][][] cells, int side, int count) {
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for (int i = 0; i < count; i++) {
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int[][] temp = new int[3][3];
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temp[0][0] = cells[side][0][2];
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temp[0][1] = cells[side][1][2];
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temp[0][2] = cells[side][2][2];
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temp[1][0] = cells[side][0][1];
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temp[1][1] = cells[side][1][1];
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temp[1][2] = cells[side][2][1];
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temp[2][0] = cells[side][0][0];
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temp[2][1] = cells[side][1][0];
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temp[2][2] = cells[side][2][0];
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cells[side] = temp;
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}
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}
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private static void clockWise2Division(int[][][] cells, int side, int count) {
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for (int i = 0; i < count; i++) {
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int[][] temp = new int[3][3];
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temp[0][0] = cells[side][2][0];
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temp[0][1] = cells[side][1][0];
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temp[0][2] = cells[side][0][0];
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temp[1][0] = cells[side][2][1];
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temp[1][1] = cells[side][1][1];
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temp[1][2] = cells[side][0][1];
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temp[2][0] = cells[side][2][2];
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temp[2][1] = cells[side][1][2];
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temp[2][2] = cells[side][0][2];
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cells[side] = temp;
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}
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}
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private int convertToSide(char ch) {
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switch (ch) {
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case 'U':
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return TOP;
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case 'D':
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return BOTTOM;
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case 'F':
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return FRONT;
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case 'B':
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return BACK;
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case 'L':
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return LEFT;
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case 'R':
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return RIGHT;
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}
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return -1;
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}
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private int[][][] cloneArray() {
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int[][][] temp = new int[6][3][3];
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for (int side = 0; side < 6; side++) {
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for (int row = 0; row < 3; row++) {
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for (int col = 0; col < 3; col++) {
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temp[side][row][col] = this.cells[side][row][col];
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}
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}
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}
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return temp;
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}
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private void roll(int[][][] cells, char direction) {
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if (direction == '+') {
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clockWise(cells);
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} else {
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counterClockWise(cells);
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}
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}
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private void counterClockWise(int[][][] cells) {
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counterClockWise2Division(cells, TOP, 1);
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int[] temp = new int[3];
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temp[0] = cells[FRONT][0][0];
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temp[1] = cells[FRONT][0][1];
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temp[2] = cells[FRONT][0][2];
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cells[FRONT][0][0] = cells[LEFT][0][2];
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cells[FRONT][0][1] = cells[LEFT][1][2];
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cells[FRONT][0][2] = cells[LEFT][2][2];
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cells[LEFT][0][2] = cells[BACK][2][2];
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cells[LEFT][1][2] = cells[BACK][2][1];
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cells[LEFT][2][2] = cells[BACK][2][0];
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cells[BACK][2][0] = cells[RIGHT][0][0];
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cells[BACK][2][1] = cells[RIGHT][1][0];
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cells[BACK][2][2] = cells[RIGHT][2][0];
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cells[RIGHT][0][0] = temp[2];
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cells[RIGHT][1][0] = temp[1];
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cells[RIGHT][2][0] = temp[0];
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}
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private void clockWise(int[][][] cells) {
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int[] temp = new int[3];
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clockWise2Division(cells, TOP, 1);
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temp[0] = cells[FRONT][0][0];
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temp[1] = cells[FRONT][0][1];
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temp[2] = cells[FRONT][0][2];
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cells[FRONT][0][0] = cells[RIGHT][2][0];
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cells[FRONT][0][1] = cells[RIGHT][1][0];
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cells[FRONT][0][2] = cells[RIGHT][0][0];
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cells[RIGHT][0][0] = cells[BACK][2][0];
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cells[RIGHT][1][0] = cells[BACK][2][1];
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cells[RIGHT][2][0] = cells[BACK][2][2];
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cells[BACK][2][0] = cells[LEFT][2][2];
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cells[BACK][2][1] = cells[LEFT][1][2];
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cells[BACK][2][2] = cells[LEFT][0][2];
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cells[LEFT][0][2] = temp[0];
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cells[LEFT][1][2] = temp[1];
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cells[LEFT][2][2] = temp[2];
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}
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public void print() {
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for (int row = 0; row < 3; row++) {
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for (int col = 0; col < 3; col++) {
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print(cells[TOP][row][col]);
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}
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sb.append("\n");
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}
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}
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private void print(int color) {
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switch (color) {
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case WHITE:
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sb.append("w");
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break;
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case YELLOW:
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sb.append("y");
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break;
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case RED:
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sb.append("r");
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break;
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case ORANGE:
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sb.append("o");
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break;
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case GREEN:
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sb.append("g");
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break;
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case BLUE:
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sb.append("b");
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break;
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}
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}
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public void debug(int[][][] cells) {
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int[][] top = cells[TOP];
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int[][] front = cells[FRONT];
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int[][] bottom = cells[BOTTOM];
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int[][] back = cells[BACK];
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int[][] left = cells[LEFT];
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int[][] right = cells[RIGHT];
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System.out.println(convert(null) + convert(back[0]) + convert(null));
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System.out.println(convert(null) + convert(back[1]) + convert(null));
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System.out.println(convert(null) + convert(back[2]) + convert(null));
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System.out.println(convert(left[0]) + convert(top[0]) + convert(right[0]));
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System.out.println(convert(left[1]) + convert(top[1]) + convert(right[1]));
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System.out.println(convert(left[2]) + convert(top[2]) + convert(right[2]));
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System.out.println(convert(null) + convert(front[0]) + convert(null));
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System.out.println(convert(null) + convert(front[1]) + convert(null));
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System.out.println(convert(null) + convert(front[2]) + convert(null));
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System.out.println(convert(null) + convert(bottom[0]) + convert(null));
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System.out.println(convert(null) + convert(bottom[1]) + convert(null));
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System.out.println(convert(null) + convert(bottom[2]) + convert(null));
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}
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private String convert(int[] line) {
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if (line == null) {
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return " ";
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}
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return " " + convertChar(line[0]) + " " + convertChar(line[1]) + " " + convertChar(line[2]) + " ";
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}
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private String convertChar(int color) {
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switch (color) {
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case WHITE:
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return "w";
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case YELLOW:
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return "y";
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case RED:
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return "r";
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case ORANGE:
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return "o";
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case GREEN:
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return "g";
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case BLUE:
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return "b";
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}
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return null;
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}
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}
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}

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