sort.cpp

#include<iostream>
using namespace std;
void printarray(int arr[], int n)
{
    for(int i=0;i<n;i++)
    {
        cout<<arr[i]<<" ";
    }
    cout<<endl;
}
void sortone(int arr[], int n)
{
    int left=0; int right=n-1;
    while (left<right)
    {
        while (arr[left] == 0 && left<right)
        {
            left++;
        }
        while (arr[right] == 1 && left<right)
        {
            right--;
        }
        if(left<right)
        {
            swap(arr[left],arr[right]);
            left++;
            right--;
        }   
    } 
}
int main()
{
    int arr[8]={1,0,1,0,0,1,1,0};
    sortone(arr,8);
    printarray(arr,8);
    return 0;
}