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C++头文件#include <iostream>#include <cmath> //数学公式 例如绝对值abs()、幂函数pow()...#include <string> //C++字符串#include <string.h> //C语言库，对应C++是cstring#include <algorithm> //常用函数，max()、min()、abs()、swap()、sort()...num.sort()#includ

import java.util.*;import java.util.Stack;public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); String input; input = in.nextLine(); boolean bool = isValid(input); i

字符串空格切割组成新字符串package oop.sort;import java.util.Arrays;import java.util.Scanner;public class QuickSort { public static void main(String[] args) { Scanner in = new Scanner(System.in); String input; input = in.nextLine(); String[] data;//1.转成st