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DIGITS AND NUMBER (PRACTICE)

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Problems

Get length #1

A integer is given. Find the number of digits in it.

Example 1:

Input: num=5
Output: 1

Example 2:

Input: num=87
Output: 2

Constraints:

• 0<=num<=10⁵

Sum of digits #2

A integer is given. Find the sum of digits in it.

Example 1:

Input: num=5
Output: 5

Example 2:

Input: num=23
Output: 5

Example 3:

Input: num=200
Output: 2

Constraints:

• 0<=num<=10⁵

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