题解 | #有序序列判断#

#include <stdio.h>

int main()
{
    int i = 0;
    int arr[100] = {0};
    int n = 0;
    scanf("%d",&n);
    int count1 = 0;
    int count2 = 0;
    for(i = 0;i<n;i++)
    {
        scanf("%d",&arr[i]);
    }
    for(i = 0;i<n-1;i++)
    {
        if(arr[i]-arr[i+1]>=0)
        {
            count1++;
        }
        if(arr[i]-arr[i+1]<=0)
        {
            count2++;
        }
    }
    if(count1 == n-1||count2 == n-1)
    {
        printf("sorted");
    }
    else 
    {
        printf("unsorted");
    }
    return 0;
}