aloalgoFirst False Value
Easy
You are given an array of boolean values, values.
Your task is to find the index of the first false value in values.
You may assume that:
- All
truevalues invaluesappear before anyfalsevalues.
Return the 0-based index of the first false value, or -1 if values contains no false values.
Example 1
Input
[True, True, False, False, False]
Output
2
Explanation:
The first false value is at index 2.
Example 2
Input
[True, True, True]
Output
-1
Explanation:
All values are true, so no false value is found.
Example 3
Input
[False, False, False]
Output
0
Explanation:
The first false value is at index 0.
Example 4
Input
[]
Output
-1
Explanation:
The array is empty, so no false value is found.
Input
[True, True, False, False, False]
Output
2