写一个通用方法用于判定给定数组是否已排好序(java) Java 对已经排好序的数组进行分组。
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public class Demo18 {public static void main(String[] args) {int arr[] = { 1, 2, 3,4, 5, 6 };boolean flag = method(arr);if(flag) {System.out.println("\u5df2\u6392\u5e8f");} else {System.out.println("\u672a\u6392\u5e8f");}}public static boolean method(int[] arr) {for(int i = 0;iarr[i+1])return false;}return true;}}2\uff0c\u6211\u7684\u6570\u7ec4\u662f\u5347\u5e8f\uff0c\u5982\u679c\u662f\u964d\u5e8f\u7684\u8bdd\uff0c\u628aif(arr[i]>arr[i+1])return false;\u6539\u6210if(arr[i]<arr[i+1])return false;\u5c31\u662f\u628a\u5927\u4e8e\u53f7\u6539\u6210\u5c0f\u4e8e\u53f7\uff0c
1.\u5206\u7ec4\u540e\u7684\u6570\u7ec4 \u4e8b\u5148\u53ef\u80fd\u4e0d\u80fd\u5b8c\u5168\u58f0\u660e\u51fa\u6765\uff0c\u56e0\u4e3a\u5206\u7ec4\u540e\u7684\u6570\u7ec4\u4e2a\u6570\u662f\u4e0d\u56fa\u5b9a\u7684\uff0c\u5e94\u8be5\u58f0\u660e\u4e2a\u5168\u5c40\u53d8\u91cfMap map \u7528\u4e8e\u5b58\u653e\u8fd9\u4e9b\u6570\u7ec4
2.\u904d\u5386array\u6570\u7ec4\uff0c\u53d6\u51fa\u7b2c\u4e00\u6279\u76f8\u540c\u503c\u7684\u6570\u503c \u653e\u8fdbarray_one\u91cc\uff08\u6210\u5458\u53d8\u91cf\uff09\uff0c\u7136\u540e\u628aarray_one\u653e\u8fdbmap\u91cc\u9762\uff0c\u540c\u7406\u53ef\u53d6\u51fa\u4e00\u4e8c\u6279\u76f8\u540c\u503c\u7684\u6570\u503c \u653e\u8fdbarray_two\u91cc\uff0c\u7136\u540e\u628aarray_one\u653e\u8fdbmap\u91cc\u9762...
3.\u904d\u5386map\uff0c\u53d6\u51famap\u91cc\u7684array_one,array_two....array_100....
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{
List tem = new ArrayList();
Class cl=o.getClass();
if(!cl.isArray()) return false;//判断是否数组
for (int i = 0; i < Array.getLength(o); i++)
{
tem.add(Array.get(o, i)); //取出数组中的元素放进tem
}
Object[] os=tem.toArray();
Arrays.sort(os);//对tem进行排序
for(int i=0;i<tem.size();i++)
{
if(!os[i].equals(tem.get(i))) return false; //如果排序后不等，则返回false
}
return true;
}
static int psort(int p[],int m)
//p代表给定的数组，m代表数组中元素的个数，数组假定判定的是否从小到大排好序
{
int i,j,k=1;
for (i=0;i<m;i++)
for(j=i+1;j<m;j++)
if (p[i]>p[j])
{k=0;break;}
if (k==0) return 0;//说明数组没有排序好
else return 1;//说明数组已经排序好
}
绛旓細static boolean isSort(Object o){ List tem = new ArrayList();Class cl=o.getClass();if(!cl.isArray()) return false;//鍒ゆ柇鏄惁鏁扮粍 for (int i = 0; i < Array.getLength(o); i++){ tem.add(Array.get(o, i)); //鍙栧嚭鏁扮粍涓殑鍏冪礌鏀捐繘tem } Object[] os=tem.toArray()...
绛旓細public void scans(){ Scanner scan= new Scanner(System.in);System.out.println("璇疯緭鍏鏁扮粍瀹归噺");int container= scan.nextInt();int[] array= new int[container];System.out.println("璇疯緭鍏ユ暟缁勬渶灏忓");start= scan.nextInt();System.out.println("璇疯緭鍏ユ暟缁勬渶澶у");end=scan.next...
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绛旓細1.绋嬪簭濡備笅锛#include <stdio.h>void main(){ int a[100];int i,n,m;printf("璇疯緭鍏鏁扮粍鍏冪礌涓暟");scanf("%d",&n); printf("璇疯緭鍏ユ暟缁勫厓绱狅紙鍚勫厓绱犱箣闂寸敤enter閿級锛"); for(i=0;i<n;i++) scanf("%d",&a[i]);printf("璇疯緭鍏ヨ鏌ユ壘鐨勬暟");scanf("%d",&m);for(...
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