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Cumulative Prefix Sequence Pattern

EasyP3Coding

For each i from 1 to n, add i lines: 1, then 1 2, then up to 1 2 ... i, each number separated by a single space. Return all lines in order. For n = 3 the lines are 1, 1, 1 2, 1, 1 2, 1 2 3.

Example 1

Input
n = 3
Output
["1","1","1 2","1","1 2","1 2 3"]

Example 2

Input
n = 1
Output
["1"]

Example 3

Input
n = 2
Output
["1","1","1 2"]

Constraints

  • 1 <= n <= 60

Hints

Run checks the 3 visible tests, Submit all 8.