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Arrays.sort(s,0,n,Collections.reverseOrder((a1, a2) -> {BigDecimala=newBigDecimal(a1);BigDecimalb=newBigDecimal(a2);returna.compareTo(b); })); 第四十二关:Java Primality Test 大数(最多100位)判断质数 Sample Input 13 Sample Output prime 解决方案: publicclassSolution{privatestaticBigDecimalone=...
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我在Hackerrank上得到了TLE,我如何优化Scala代码?我正在尝试解决hackerrank上的最大元素问题 通过减少列表上的代码/操作数量来优化方法 Visual Studio代码不提供java插件的语言支持的java导入建议 iPhone上的Musical符号.对示例代码的任何建议? 使用Java库进行字符串的代码更正建议? 通过省略不必要的循环来优化代码 通过代码...
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Hackerrank Practice Anagram 拆分数组 看一半操作几次能成为另一半的anagram 题目 输入第一行是要判断的字符串的个数n,之后的n行输入为需要判断的字符串。 每个字符串str,是两个等长字符串的合体,所以长度一定是偶数。若为奇数,返回-1。 所以str分成两个substring,右边需要多少次操作能变为左边。只要用一个26位...
Welcome to HackerRank's Java tutorials! Sample Output String: Welcome to HackerRank's Java tutorials! Double: 3.1415 Int: 42 基本就是上面的如何跳过nextLine之前的换行。 publicstaticvoidmain(String[] args){Scannerscan=newScanner(System.in);inti=scan.nextInt();doubled=scan.nextDouble(); ...
Java BigDecimal Sort by recency | 506Discussions | PleaseLoginin order to post a comment Need Help? View editorial View top submissions Join us Create a HackerRank account Be part of a 26 million-strong community of developers Please signup or login in order to view this challenge...
INPUT Hello,hello ; expected output:anagram ; actual : not anagram; public static boolean isAnagram(String a,String b) { char a1[]=a.toCharArray(); char b1[]=b.toCharArray(); java.util.Arrays.sort(a1); java.util.Arrays.sort(b1);...
在准备面试时,可以通过平台如 LeetCode、HackerRank 等练习具体的算法面试题。根据题目的要求,选用合适的算法来解决问题。 示例题目:两数之和 题目要求找到数组中两个数之和等于目标值的下标,可以使用哈希表来优化查询效率。 importjava.util.HashMap;publicclassTwoSum{// 方法找到两个数等于目标值的下标publicint[...