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3726. Remove Zeros in Decimal Representation

EasyMath Preparing judge… LeetCode

You are given a positive integer n.

Return the integer obtained by removing all zeros from the decimal representation of n.

 

Example 1:

Input: n = 1020030

Output: 123

Explanation:

After removing all zeros from 1020030, we get 123.

Example 2:

Input: n = 1

Output: 1

Explanation:

1 has no zero in its decimal representation. Therefore, the answer is 1.

 

Constraints:

  • 1 <= n <= 1015
MathSimulation

Hints

Hint 1
Convert to a string and filter out the '0' characters.