QOJ.ac

QOJ

Time Limit: 2 s Memory Limit: 256 MB Total points: 100

#22697. Descomposiciones en sumas

Statistics

Farmer John pide a las vacas conjuntos diferentes de números cuya suma sea un número dado. Solo usan potencias enteras de 2. Estos son los conjuntos posibles que suman 7:

1) 1+1+1+1+1+1+1

2) 1+1+1+1+1+2

3) 1+1+1+2+2

4) 1+1+1+4

5) 1+2+2+2

6) 1+2+4

Ayuda a FJ a contar todas las representaciones del entero $N$ ($1 \le N \le 1{,}000{,}000$).

Entrada

Una línea con un único entero $N$.

Salida

El número de formas de representar $N$ como dicha suma. Puede ser enorme, así que imprime solo las últimas 9 cifras decimales.

Ejemplos

Entrada 1

7

Salida 1

6

Problema 1: Descomposiciones en sumas

Discussions

About Discussions

The discussion section is only for posting: General Discussions (problem-solving strategies, alternative approaches), and Off-topic conversations.

This is NOT for reporting issues! If you want to report bugs or errors, please use the Issues section below.

Open Discussions 0
No discussions in this category.

Issues

About Issues

If you find any issues with the problem (statement, scoring, time/memory limits, test cases, etc.), you may submit an issue here. A problem moderator will review your issue.

Guidelines:

  1. This is not a place to publish discussions, editorials, or requests to debug your code. Issues are only visible to you and problem moderators.
  2. Do not submit duplicated issues.
  3. Issues must be filed in English or Chinese only.
Active Issues 0
No issues in this category.
Closed/Resolved Issues 0
No issues in this category.