decreasing star pattern down the row

#include<iostream>
using namespace std;
int main()
{
    int n;
    cin>>n;
    int i=1;
    while(i<=n){
        int j=1;
        while(j<=n-i){
            cout<<"*";
            
            j=j+1;

        }
        cout<<endl;
        i=i+1;
    }
}