N-ésimo número que es a la vez un cuadrado y un cubo

Dado un número n, encuentre el n-ésimo número que es tanto un cuadrado como un cubo. Los primeros números de este tipo son 1, 64, 729, …

Ejemplos: 

Input : 3
Output :729
        729 is square of 27 and cube of 3.
Input :5
Output :15625

La idea es simple, el n-ésimo número es n ⁶  

// C++ program to find n-th number which is both
// square and cube.
#include <bits/stdc++.h>
using namespace std;
 
int nthSquareCube(int n)
{
   return n*n*n*n*n*n;
}
 
// Driver code
int main()
{
    int n = 5;
    cout << nthSquareCube(n);
    return 0;
}

// Java program to find n-th number
// which is both square and cube.
class GFG {
     
    static int nthSquareCube(int n)
    {
        return n * n * n * n * n * n;
    }
     
    // Driver code
    public static void main(String[] args)
    {
        int n = 5;
         
        System.out.println(nthSquareCube(n));
    }
}
 
// This code is contributed by
// Smitha Dinesh Semwal

# program to find n-th number
# which is both square and cube.
 
def nthSquareCube(n):
 
    return n * n * n * n * n * n
 
 
# Driver code
n = 5
print(nthSquareCube(n))
# This code is contributed by
# Smitha Dinesh Semwal

// C# program to find n-th number
// which is both square and cube.
using System;
 
class GFG
{
     
    static int nthSquareCube(int n)
    {
        return n * n * n * n * n * n;
    }
     
    // Driver code
    static public void Main ()
    {
        int n = 5;
         
        Console.WriteLine(nthSquareCube(n));
    }
}
 
// This code is contributed by Ajit.

<?php
// PHP program to find n-th
// number which is both
// square and cube.
 
function nthSquareCube($n)
{
    return $n * $n * $n *
           $n * $n * $n;
}
 
// Driver code
$n = 5;
echo(nthSquareCube($n));
 
// This code is contributed by Ajit.
?>

<script>
 
// JavaScript program to find n-th number
// which is bothsquare and cube.
function nthSquareCube(n)
{
    return n * n * n * n * n * n;
}
 
// Driver code
let n = 5;
 
document.write(nthSquareCube(n));
 
// This code is contributed by Surbhi Tyagi.
 
</script>

15625