Armstrong Number

A number with k digits is an Armstrong number if the sum of each digit raised to the power k equals the number. For example 153 = 1³ + 5³ + 3³.

Implement is_armstrong(n).

Input

n: A non-negative integer.

Output

Return true if n is an Armstrong number.

Vincoli

0 ≤ n ≤ 10¹⁸

Esempi

Input:
n = 153

Output atteso:
expected = True

Input:
long long n = 153;

Output atteso:
bool expected = true;

Input:
long n = 153;

Output atteso:
bool expected = true;

Input:
n = 10

Output atteso:
expected = False

Input:
long long n = 10;

Output atteso:
bool expected = false;

Input:
long n = 10;

Output atteso:
bool expected = false;

Riferimenti

Questa sfida è adattata per CodeUtility. Segui la traccia e i vincoli sopra.

• GWU CS1111 Introduction to Software Development - lab sequence