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Commit ce15933

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author
Anish Sachdeva
committed
solves even number of digits
1 parent 3ec4777 commit ce15933

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-17
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‎README.md‎

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1111
| Question | Solution | Youtube |
1212
|------|:--------:|:----------------------:|
1313
| [Max Consecutive Ones](https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3238/) | [![Java](assets/java.png)](java/src/MaxConsecutiveOnes.java) [![Python](assets/python.png)](python/max_consecutive_ones.py) |
14-
| [Find Numbers with Even Number of Digits](https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3237/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
15-
| [Squares of a Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3240/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
14+
| [Find Numbers with Even Number of Digits](https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3237/) | [![Java](assets/java.png)](java/src/FindNumbersWithEvenNumberOfDigits.java) [![Python](assets/python.png)](python/find_number_with_even_number_of_digits.py) |
15+
| [Squares of a Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/521/introduction/3240/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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1717

1818
## Inserting Items Into An Array
1919
| Question | Solution | Youtube |
2020
|------|:--------:|:-------:|
21-
| [Duplicate Zeros](https://leetcode.com/explore/learn/card/fun-with-arrays/525/inserting-items-into-an-array/3245/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
22-
| [Merge Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/525/inserting-items-into-an-array/3253/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
21+
| [Duplicate Zeros](https://leetcode.com/explore/learn/card/fun-with-arrays/525/inserting-items-into-an-array/3245/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
22+
| [Merge Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/525/inserting-items-into-an-array/3253/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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2424

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## Deleting Items From An Array
2626
| Question | Solution | Youtube |
2727
|------|:--------:|:----------------------:|
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| [Remove Element](https://leetcode.com/explore/learn/card/fun-with-arrays/526/deleting-items-from-an-array/3247/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
29-
| [Remove Duplicates from Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/526/deleting-items-from-an-array/3248/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
28+
| [Remove Element](https://leetcode.com/explore/learn/card/fun-with-arrays/526/deleting-items-from-an-array/3247/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
29+
| [Remove Duplicates from Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/526/deleting-items-from-an-array/3248/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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3131

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## Searching For Items In An Array
3333
| Question | Solution | Youtube |
3434
|------|:--------:|:----------------------:|
35-
| [Check if N And It's Double Exists](https://leetcode.com/explore/learn/card/fun-with-arrays/527/searching-for-items-in-an-array/3250/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
36-
| [Valid Mountain Array](https://leetcode.com/explore/learn/card/fun-with-arrays/527/searching-for-items-in-an-array/3251/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
35+
| [Check if N And It's Double Exists](https://leetcode.com/explore/learn/card/fun-with-arrays/527/searching-for-items-in-an-array/3250/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
36+
| [Valid Mountain Array](https://leetcode.com/explore/learn/card/fun-with-arrays/527/searching-for-items-in-an-array/3251/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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## In-Place Operations
4040
| Question | Solution | Youtube |
4141
|------|:--------:|:----------------------:|
42-
| [Replace Elements with Greatest Element on Right Side](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3259/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
43-
| [Remove Duplicates from Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3258/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
44-
| [Move Zeros](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3157/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
45-
| [Sort Array By Parity](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3260/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
46-
| [Remove Element](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3575/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
42+
| [Replace Elements with Greatest Element on Right Side](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3259/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
43+
| [Remove Duplicates from Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3258/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
44+
| [Move Zeros](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3157/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
45+
| [Sort Array By Parity](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3260/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
46+
| [Remove Element](https://leetcode.com/explore/learn/card/fun-with-arrays/511/in-place-operations/3575/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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## Conclusion
5050
Name | Solution | Youtube |
5151
|------|:--------:|:----------------------:|
52-
| [Height Checker](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3228/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
53-
| [Third Maximum Number](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3231/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
54-
| [Find All Numbers Disappeared in an Array](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3270/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
55-
| [Squares of a Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3574/) | [![Java](assets/java.png)](src/) [![Python](assets/python.png)](python/) |
52+
| [Height Checker](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3228/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
53+
| [Third Maximum Number](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3231/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
54+
| [Find All Numbers Disappeared in an Array](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3270/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
55+
| [Squares of a Sorted Array](https://leetcode.com/explore/learn/card/fun-with-arrays/523/conclusion/3574/) | [![Java](assets/java.png)](java/src/) [![Python](assets/python.png)](python/) |
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public class FindNumbersWithEvenNumberOfDigits {
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public int findNumbers(int[] array) {
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int evenDigitNumbers = 0;
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for (int number : array) {
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if (numberOfDigits(number) % 2 == 0) evenDigitNumbers++;
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}
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return evenDigitNumbers;
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}
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private int numberOfDigits(int number) {
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if (number == 0) return 1;
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int digits = 0;
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while (number != 0) {
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number /= 10;
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digits++;
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}
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return digits;
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}
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}
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from typing import List
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class Solution:
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def findNumbers(self, nums: List[int]) -> int:
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evenDigitNumbers = 0
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for number in nums:
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if self.numberOfDigits(number) % 2 == 0:
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evenDigitNumbers += 1
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return evenDigitNumbers
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def numberOfDigits(self, number: int) -> int:
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if number == 0:
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return 1
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digits = 0
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while number != 0:
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number //= 10
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digits += 1
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return digits

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