642 . 真奇數

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TopCoder

aacpschool

User's AC Ratio

100.0% (1/1)

Submission's AC Ratio

100.0% (1/1)

Tags

apcsc apcsc-review

Description

小竹最近愛上了奇數，然而他覺得一般的奇數定義太膚淺了，他重新定義了一種「真奇數」，並規定每一位都是奇數的整數才能叫做「真奇數」。

現在小竹想要把一些整數換成「真奇數」，請你幫小竹算出換成「真奇數」最少需要加多少或減多少。

Input Format

一個正整數 $N < 10^ {18}$

Output Format

輸出一個正整數代表最少要加多少或減多少才能變成真奇數。

Sample Input 1

1205

Sample Output 1

6

Hints

Problem Source

APCS

Subtasks

No. Testdata Range Constraints Score
1 0 範例測資 0
2 0~62 無額外限制 100

Testdata and Limits

No. Time Limit (ms) Memory Limit (VSS, KiB) Output Limit (KiB) Subtasks
0 1000 524288 65536 1 2
1 1000 524288 65536 2
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