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Main.java
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73 lines (62 loc) · 2.25 KB
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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
StringTokenizer st = new StringTokenizer(br.readLine());
int m = Integer.parseInt(st.nextToken());
int n = Integer.parseInt(st.nextToken());
int r = Integer.parseInt(st.nextToken());
int[][] table = new int[m][n];
for (int i = 0; i < m; i++) {
st = new StringTokenizer(br.readLine());
int j = 0;
while (st.hasMoreTokens()) {
table[i][j] = Integer.parseInt(st.nextToken());
j++;
}
}
int rotation_cnt = Math.min(m, n) / 2;
for (int i = 0; i < r; i++) {
rotaion(m,n,rotation_cnt,table);
}
StringBuilder sb =new StringBuilder();
for (int i = 0; i < table.length; i++) {
for (int j = 0; j < table[i].length; j++) {
sb.append(table[i][j]).append(" ");
}
if(i<table.length-1){
sb.append('\n');
}
}
System.out.println(sb);
}
private static void rotaion(int m, int n, int rotation_cnt, int[][] table){
for (int i = 0; i < rotation_cnt; i++) {
int start_col=i;
int start_row=i;
int end_col=m-1-i;
int end_row=n-1-i;
int start = table[start_col][start_row];
//위쪽
for (int j = i; j <end_row ; j++) {
table[start_col][j]=table[start_col][j+1];
}
//오른쪽
for (int j = i; j <end_col ; j++) {
table[j][end_row]=table[j+1][end_row];
}
//아랫쪽
for (int j = end_row; j >start_row ; j--) {
table[end_col][j]=table[end_col][j-1];
}
//왼쪽
for (int j = end_col; j >start_col ; j--) {
table[j][start_row]=table[j-1][start_row];
}
table[start_col+1][start_row]=start;
}
}
}