ID: 1357

Type: Default

1000ms

256MiB

Difficulty: 10

Uploaded By:

吴泽宏 (wuzehong)

Background

Description

输入一堆按序递增的整数，再输入一个整数，并进行查找并打印其索引

一堆按序递增的整数为：1, 6, 9, 10, 12, 15, 20, 30

Format

Input

Output

Samples

找不到

Limitation

1s, 1024KiB for each test case.