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g2601_2700.s2620_counter.readme.md Maven / Gradle / Ivy

2620\. Counter

Easy

Given an integer `n`, return a `counter` function. This `counter` function initially returns `n` and then returns 1 more than the previous value every subsequent time it is called (`n`, `n + 1`, `n + 2`, etc).

**Example 1:**

**Input:** n = 10 ["call","call","call"]

**Output:** [10,11,12]

**Explanation:** 

counter() = 10 // The first time counter() is called, it returns n. 

counter() = 11 // Returns 1 more than the previous time. 

counter() = 12 // Returns 1 more than the previous time.

**Example 2:**

**Input:** n = -2 ["call","call","call","call","call"]

**Output:** [-2,-1,0,1,2]

**Explanation:** counter() initially returns -2. Then increases after each sebsequent call.

**Constraints:**

*   `-1000<= n <= 1000`
*   `At most 1000 calls to counter() will be made`