Bubble Sort in C++

#include<iostream>
using namespace std;
int main(){
    int n = 8;
    int arr[n]={4,7,3,1,5,8,2,6},t=0,temp,k=n;
    while(k!=0){
        for(int j=0;j<=k-1;j++){
            if(arr[j]>arr[j+1]){
                temp = arr[j];
                arr[j] = arr[j+1];
                arr[j+1] = temp;
            }
        }
        k--;
    }

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