SDNU 1212.判断升序（水题）

Description

实现public static boolean isSorted(int[] table)

判断整数数组元素是否已经按升序排序。

Input

一列数，需要判断的数组元素。

Output

如果已经排序输出YES

如果没有排序输出NO

Sample Input

1
2
3
4
5
6

Sample Output

YES

Hint

import java.util.*;

public class Main{

   public static void main(String args[]){

  Scanner cin = new Scanner(System.in);

  int a, b;
  b=-1;
  while (cin.hasNext()){

  a = cin.nextInt();

              if(??????????){
                ????????;
               ????????????????????;
              }
 ????????????;

                        }

 if(!cin.hasNext())
  ????????????????????????

  }

}

Source

数据结构Java版

#include <cstdio>
#include <iostream>
#include <cmath>
#include <string>
#include <cstring>
#include <algorithm>
#include <queue>
#include <vector>
#include <map>
using namespace std;
#define ll long long

int num[100000+8], x;
bool flag = 1;

int main()
{
    while(~scanf("%d", &x))
    {
        int id = 0;
        num[id] = x;
        if(!id && num[id]<num[id-1])flag = 0;
        id++;
    }
    if(flag)printf("NO\n");
    else printf("YES\n");
    return 0;
}