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# 1365. How Many Numbers Are Smaller Than the Current Number

<https://leetcode.com/problems/how-many-numbers-are-smaller-than-the-current-number>

## Description

Given the array `nums`, for each `nums[i]` find out how many numbers in the array are smaller than it. That is, for each `nums[i]` you have to count the number of valid `j's` such that `j != i` **and** `nums[j] < nums[i]`.

Return the answer in an array.

**Example 1:**

```
**Input:** nums = [8,1,2,2,3]
**Output:** [4,0,1,1,3]
**Explanation:** 
For nums[0]=8 there exist four smaller numbers than it (1, 2, 2 and 3). 
For nums[1]=1 does not exist any smaller number than it.
For nums[2]=2 there exist one smaller number than it (1). 
For nums[3]=2 there exist one smaller number than it (1). 
For nums[4]=3 there exist three smaller numbers than it (1, 2 and 2).
```

**Example 2:**

```
**Input:** nums = [6,5,4,8]
**Output:** [2,1,0,3]
```

**Example 3:**

```
**Input:** nums = [7,7,7,7]
**Output:** [0,0,0,0]
```

**Constraints:**

* `2 <= nums.length <= 500`
* `0 <= nums[i] <= 100`

## ac

```java
```