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Copy pathBJAlgo_2447.java
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50 lines (41 loc) · 1.28 KB
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import java.io.*;
import java.util.*;
public class BJAlgo_2447 {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int N = Integer.parseInt(br.readLine());
List stars = new ArrayList();
stars.add("***");
stars.add("* *");
stars.add("***");
int k = 0;
while (N != 3) {
N = N / 3;
k++;
}
for (int i = 0; i < k; i++) {
stars = star(stars);
}
for (int i = 0; i < stars.size(); i++) {
System.out.println(stars.get(i));
}
}
private static List star(List list) {
List tmp = new ArrayList();
for (int i = 0; i < 3 * list.size(); i++) {
StringBuilder sb = new StringBuilder();
if (i / list.size() == 1) {
for (int j = 0; j < list.size(); j++) {
sb.append(" ");
}
tmp.add(list.get(i % list.size()) + "" + sb + list.get(i % list.size()));
} else {
for (int j = 0; j < 3; j++) {
sb.append(list.get(i % list.size()));
}
tmp.add(sb);
}
}
return tmp;
}
}