/* package whatever; // don't place package name! */ import java.util.*; /* Name of the class has to be "Main" only if the class is public. */ class Prime { // your code goes here List<Integer> list = new ArrayList<>(); boolean[] isComposite = new boolean[100 + 1]; isComposite[1] = true; for (int i = 2; i <= 100; i++) { if (!isComposite[i]) { // 'i' is a prime number list.add(i); int multi = 2; while (i * multi <= 100) { isComposite[i * multi] = true; multi++; } } } } }
Standard input is empty