Machine Learning coder
照片
点击显示
点击显示
import java.util.*;
public class Solution {
public static void main(String[] args) {
Scanner sc=new Scanner(System.in);
int n=sc.nextInt();
int arr[]=new int[n];
for(int i=0;i<n;i++)
arr[i]=sc.nextInt();
System.out.printf(myFun(arr)?"Yes":"No");
}
public static boolean myFun(int[] arr) {
int count = 0;
for (int i = 1; i < arr.length; i++)
{
if (arr[i] < arr[i - 1])
{
count++;
if (count > 1) {
return false;
}
if (i == 1 || arr[i] >= arr[i - 2])
{ arr[i - 1] = arr[i];
} else {
arr[i] = arr[i - 1]; }
}
} return true;
}
}
#java
1 · 1.3K ·