Desen_Clepsidra

#include <iostream>
using namespace std;

int main()
{
    int n;
    cin>>n;
    int k;
    for(int i=1;i<=n;++i)
    {
        k=i-1;
        for(int j=1;j<=k;++j)
                cout<<"#";
        for(int j=k+1;j<=n;++j)
                cout<<"*";
        for(int j=k+1;j<n;++j)
                cout<<"*";
        for(int j=1;j<=k;++j)
                cout<<"#";
        cout<<"\n";
    }
    for(int i=1;i<n;++i)
    {
        k=n-i;
        for(int j=1;j<k;++j)
                cout<<"#";
        for(int j=1;j<=2*i+1;++j)
                cout<<"*";
        for(int j=1;j<k;++j)
                cout<<"#";
        cout<<"\n";
    }
    return 0;
}