#135Medium· asked at 24 companies
Candy
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What we know
Example 1
Input: ratings = [1,0,2] Output: 5
Give 2, 1, 2 candies.
Example 2
Input: ratings = [1,2,2] Output: 4
Give 1, 2, 1 candies; equal ratings need not match.
Constraints
- •
n == ratings.length - •
1 <= n <= 2 * 10^4 - •
0 <= ratings[i] <= 2 * 10^4