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StarArrangements.java
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StarArrangements.java
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package stararrangements;
public class StarArrangements {
public static void main(String[] args) {
java.util.Scanner input = new java.util.Scanner(System.in);
String inputString = input.nextLine();
int allStars = Integer.parseInt(inputString);
int halfstar;
if (allStars % 2 == 0) {
halfstar = allStars / 2;
} else {
halfstar = allStars / 2 + 1;
}
System.out.println(allStars + ":");
for (int i = 2; i <= halfstar; i++) {
int stars = 0;
boolean more = true;
// en mer
while (stars <= allStars) {
if (stars == allStars) {
System.out.println(i + "," + (i - 1));
break;
} else {
if (more) {
stars += i;
} else {
stars += i - 1;
}
more = !more;
}
}
stars = 0;
// samma på varje
while (stars <= allStars) {
stars += i;
if (stars == allStars) {
System.out.println(i + "," + i);
}
}
}
}
}