#23. start1
start1
Background
Description
Start with 2 int arrays, a and b, of any length. Return how many of the arrays have 1 as their first element.
Format
Input
Output
Samples
[1 2 3] [1 3]
2
[7 2 3] [1]
1
[1 2] []
1
Limitation
1s, 1024KiB for each test case.