(GEEKSFORGEEKS)check if array is sorted or not.cpp

// { Driver Code Starts
//Initial template for C++

#include<bits/stdc++.h>
using namespace std;

 // } Driver Code Ends


//User function template for C++

class Solution{   
public:
    bool arraySortedOrNot(int arr[], int n) {
        // code here
        if (n==0||n==1)
        {
            return true;
        }
        for(int i=1; i<n; i++)
        {
            if(arr[i-1]>arr[i])
            {
                return false;
            }
        }
        return true;
    }
};

// { Driver Code Starts.

int main() {
    int t;
    cin >> t;
    while (t--) {
        int n;
        cin >> n;
        int arr[n];
        for (int i = 0; i < n; i++) {
            cin >> arr[i];
        }
        Solution ob;
        bool ans = ob.arraySortedOrNot(arr, n);
        cout << ans << "\n";

    }
    return 0;
}

  // } Driver Code Ends