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| // @Title: 乘积小于 K 的子数组 (乘积小于 K 的子数组)
// @Author: 15816537946@163.com
// @Date: 2022-03-19 00:01:23
// @Runtime: 68 ms
// @Memory: 7.3 MB
func numSubarrayProductLessThanK(nums []int, k int) int {
lo, hi :=0, 0
var ans int
product :=1
for hi < len(nums) {
product *= nums[hi]
for lo <= hi && product >= k {
product/= nums[lo]
lo++
}
if lo <= hi {
ans += hi-lo+1
}
hi++
}
return ans
}
|