7.29广联达笔试
7.29 第二题public class Test { public static void setAdd(Set<Integer> set,Integer i){ if(!set.add(i)){ set.remove(i); setAdd(set,i<<1); } } public static void main(String[] args) { Scanner scanner = new Scanner(System.in); int n = scanner.nextInt(); Integer[] array = new Integer[n]; for (int i = 0; i < array.length; i++) { array[i] = scanner.nextInt(); } LinkedHashSet<Integer> res = new LinkedHashSet<>(); for (int i = 0; i < array.length; i++) { setAdd(res,array[i]); } Iterator<Integer> iterator = res.iterator(); while (iterator.hasNext()){ System.out.print(iterator.next()); if(iterator.hasNext())System.out.print(" "); } } }
#笔试题目##广联达#
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