배열돌리기3-16935(java)

https://www.acmicpc.net/problem/16935

16935번: 배열 돌리기 3

package a0811;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Solution_BOJ배열돌리기3_서울_12반_이서영 {

	static int n,m,r;
	static StringTokenizer st;
	static int[][]arr;
	

	public static void swap(int x1, int y1, int x2, int y2) {
		int temp = arr[x1][y1];
		arr[x1][y1]=arr[x2][y2];
		arr[x2][y2]=temp;
	}
	
	
	public static void one() { //상하반전
		
		int k = n/2;
		for(int i=0; i<k; i++) {
			int[] temp = Arrays.copyOf(arr[i], m);
			arr[i]= Arrays.copyOf(arr[n-1-i],m);
			arr[n-1-i]= Arrays.copyOf(temp,m);
		}
			
	}
	
	public static void two() { //좌우반전
		int k = m/2;
		for(int j=0; j<k; j++) {
			for(int i=0; i<n; i++) {
				
				swap(i,j,i,m-1-j);
			}
		}
	}
	public static void three() { //오른쪽 90도 회전
		int[][] narr = new int[m][n];
		for(int i=0; i<n; i++) {
			int[] temp = Arrays.copyOf(arr[i], m);
			for(int j=0; j<m; j++) {
				narr[j][n-1-i]=temp[j];
			}
		}
		arr= narr;
	}
	public static void four() { //왼쪽 90도 회전
		int[][] narr = new int[m][n];
		for(int i=0; i<n; i++) {
			int[] temp = Arrays.copyOf(arr[i], m);
			for(int j=0; j<m; j++) {
				narr[m-1-j][i]=temp[j];
			}
		}
		arr= narr;
	}
	public static void five() { // 4등분 복사 
		int hn = n/2;
		int hm = m/2;
		int [][]temp = new int[hn][hm];
		for(int i=0; i<hn; i++) {
			temp[i]=Arrays.copyOfRange(arr[i], hm, m);//2번복사
		}
		for(int i=0; i<hn; i++) {
			for(int j=hm; j<m; j++) {
				arr[i][j] = arr[i][j-hm]; //1번을 2번자리에
			}
		}
		
		for(int i=0; i<hn; i++) { //4번을 1번자리에
			for(int j=0; j<hm; j++) {
				arr[i][j]=arr[i+hn][j];
			}
		}
		
		for(int i=hn; i<n; i++) { //3번을 4번자리에
			for(int j=0; j<hm; j++) {
				arr[i][j]= arr[i][hm+j];
			}
		}
		
		for(int i=hn; i<n; i++) { //복사한 2번을 3번에
			for(int j=hm; j<m; j++) {
				arr[i][j] = temp[i-hn][j-hm];
			}
		}
	
	}
	public static void six() {
		int hn = n/2;
		int hm = m/2;
		int [][]temp = new int[hn][hm];
		
		for(int i=0; i<hn; i++) {
			temp[i]=Arrays.copyOfRange(arr[i], hm, m);//2번복사
		}
		
		for(int i=0; i<hn; i++) {
			for(int j=hm; j<m; j++) {
				arr[i][j] = arr[i+hn][j]; //3번을 2번자리에
			}
		}
		
		for(int i=hn; i<n; i++) { //4번을 3번에
			for(int j=hm; j<m; j++) {
				arr[i][j] =arr[i][j-hm];
			}
		}
		
		for(int i=hn; i<n; i++) { //1번을 4번자리에
			for(int j=0; j<hm; j++) {
				arr[i][j]= arr[i-hn][j];
			}
		}
		
		for(int i=0; i<hn; i++) { //복사한 2번을 1번자리에
			for(int j=0; j<hm; j++) {
				arr[i][j]=temp[i][j];
			}
		}
	
		
		
	}
	
	
	public static void main(String[] args) throws IOException {
		
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		st= new StringTokenizer(br.readLine());
		n = Integer.parseInt(st.nextToken());
		m = Integer.parseInt(st.nextToken());
		r = Integer.parseInt(st.nextToken());
		
		int t = Math.max(n, m);
		
		arr = new int[t][t];
		
	    for(int i=0; i<n; i++) {
	    	
	    	st = new StringTokenizer(br.readLine());
	    	for(int j=0; j<m; j++) {
	    		
	    		arr[i][j] = Integer.parseInt(st.nextToken());
	    		
	    	}
	    }
	    
	    st = new StringTokenizer(br.readLine());
	    for(int i=0; i<r; i++) {
	    	int num = Integer.parseInt(st.nextToken());
	    	if(num==1) {
	    		one();
	    	}
	    	else if(num==2) {two(); }
	    	else if(num==3) {three(); int tmp = n; n=m; m=tmp;} // 회전하면 가로 세로길이 서로 바뀜
	    	else if(num==4) {four();int tmp = n; n=m; m=tmp;} //회전하면 가로세로길이 서로 바뀜
	    	else if(num==5) {five();}
	    	else if(num==6) { six();}
	    	
	    }
	    
	    StringBuilder sb = new StringBuilder();
	    for(int i=0; i<n; i++) {
	    	//sb.append()
	    	for(int j=0; j<m; j++) {
	    		sb.append(arr[i][j]+" ");
	    	}
	    	sb.append("\n");
	    }
	    
	    System.out.println(sb);
		
		
	}
	
	
}