QOJ.ac

QOJ

Time Limit: 1.0 s Memory Limit: 64 MB Total points: 100

#18083. Ecuación fácil

Statistics

Encuentre el número de soluciones de la ecuación

$$x^5 + y^4 + z^3 + w^2 + t = n,$$

donde $x, y, z, w$ y $t$ son variables enteras positivas, y $n$ es un entero positivo conocido.

Entrada

Una sola línea que contiene el entero $n$ ($1 \le n \le 10^9$).

Salida

Imprima un solo entero: el número de soluciones.

Ejemplos

Entrada 1

12

Salida 1

3

Entrada 2

2019

Salida 2

7386

Entrada 3

1000000

Salida 3

26734730

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