#32. unlucky1
unlucky1
Background
Description
We'll say that a 1 immediately followed by a 3 in an array is an "unlucky" 1. Return true if the given array contains an unlucky 1 in the first 2 or last 2 positions in the array.
Format
Input
Output
Samples
[1 3 4 5]
true
[2 1 3 4 5]
true
[1 1 1]
false
Limitation
1s, 1024KiB for each test case.