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

int main()
{
    int A[] = {1,4,2,0,5,10,9};

    int n = sizeof(A)/sizeof(A[0]);

    // sort(first position, last position+1, comparision function)
    sort(A+0,A+n);

    for(int i=0; i<=n-1; i++)
    {
        cout<<A[i]<<" ";
    }

    return 0;
}

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

bool cmd(int X, int Y)
{
    return X>Y;
}

int main()
{
    int A[] = {1,4,2,0,5,10,9};

    int n = sizeof(A)/sizeof(A[0]);

    // sort(first position, last position+1);
    sort(A+0,A+n,cmd);

    for(int i=0; i<=n-1; i++)
    {
        cout<<A[i]<<" ";
    }

    return 0;
}