#abc254b. B - Practical Computing
B - Practical Computing
Score : points
问题描述
找出满足以下条件的 个整数序列 。
- 对于每个 ,序列 的长度为 。
- 对于每个 和 , 中的第 项,记作 ,定义如下:
- 若 或者 ,则 。
- 否则,。
以上为通义千问 qwen-max 翻译,仅供参考。
Problem Statement
Find the integer sequences defined as follows.
- For each , the length of is .
- For each and , the -th term of , denoted by , is defined as follows.
- , if or .
- , otherwise.
Constraints
- is an integer.
Input
Input is given from Standard Input in the following format:
Output
Print lines. The -th line should contain the terms of separated by spaces.
Sample Input 1
3
Sample Output 1
1
1 1
1 2 1
Sample Input 2
10
Sample Output 2
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1
1 7 21 35 35 21 7 1
1 8 28 56 70 56 28 8 1
1 9 36 84 126 126 84 36 9 1
update @ 2024/3/10 10:49:19