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| // @Title: 分发糖果 (Candy)
// @Author: 15816537946@163.com
// @Date: 2020-12-24 21:00:17
// @Runtime: 20 ms
// @Memory: 6.2 MB
func candy(ratings []int) int {
n := len(ratings)
left := make([]int, n)
for i, r := range ratings {
if i > 0 && r > ratings[i-1] {
left[i] = left[i-1] + 1
} else {
left[i] = 1
}
}
var right, ans int
for i := n - 1; i >= 0; i-- {
if i < n-1 && ratings[i] > ratings[i+1] {
right++
} else {
right = 1
}
ans += max(left[i], right)
}
return ans
}
func max(a, b int) int {
if a > b {
return a
}
return b
}
|