Add poetry and pre-commit hooks

Author: varvarvarvar

.pre-commit-config.yaml

@@ -0,0 +1,35 @@
+default_language_version:
+  python: python3.8
+
+fail_fast: true
+
+repos:
+  - repo: local
+    hooks:
+      - id: isort
+        name: isort
+        entry: poetry run isort --check-only
+        args: [.]
+        language: system
+        pass_filenames: false
+
+      - id: black
+        name: black
+        entry: poetry run black --check
+        args: [.]
+        language: system
+        pass_filenames: false
+      
+      - id: pylint
+        name: pylint
+        entry: poetry run pylint
+        args: [problems]
+        language: system
+        pass_filenames: false
+
+      - id: pylint-tests
+        name: pylint
+        entry: poetry run pylint
+        args: [tests]
+        language: system
+        pass_filenames: false

.python-version

@@ -0,0 +1 @@
+3.8.5

README.md

@@ -4,32 +4,32 @@ Solutions for https://leetcode.com/ algorithmic problems.
 
 | Problem  | Solution |
 | ------------- | ------------- |
-| [Two Sum](https://leetcode.com/problems/two-sum/) | [0001](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0001.py) |
-| [Add Two Numbers](https://leetcode.com/problems/add-two-numbers/) | [0002](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0002.py) |
-| [Reverse Integer](https://leetcode.com/problems/reverse-integer/)|[0007](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0007.py) |
-| [Palindrome Number](https://leetcode.com/problems/palindrome-number/) | [0009](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0009.py) |
-| [Container With Most Water](https://leetcode.com/problems/container-with-most-water/) | [0011](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0011.py) |
-| [Roman to Integer](https://leetcode.com/problems/roman-to-integer/) | [0013](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0013.py) |
-| [Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/) | [0014](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0014.py) |
-| [3Sum](https://leetcode.com/problems/3sum/) | [0015](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0015.py) |
-| [Valid Parentheses](https://leetcode.com/problems/valid-parentheses/) | [0020](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0020.py) |
-| [Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/) | [0026](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0026.py) |
-| [Remove Element](https://leetcode.com/problems/remove-element/) | [0027](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0027.py) |
-| [Implement strStr()](https://leetcode.com/problems/implement-strstr/) | [0028](https://github.com/varvarvarvar/leetcode/blob/master/solutions/0028.py) |
-| [Sort Colors](https://leetcode.com/problems/sort-colors/) | [0075](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0075.py) |
-| [Valid Palindrome](https://leetcode.com/problems/valid-palindrome/)  | [0125](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0125.py)  |
-| [Rotate Array](https://leetcode.com/problems/rotate-array/)  | [0189](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0189.py) |
-| [House Robber](https://leetcode.com/problems/house-robber/) | [0198](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0198.py) |
-| [Count Primes](https://leetcode.com/problems/count-primes/) | [0204](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0204.py) |
-| [Reverse String](https://leetcode.com/problems/reverse-string/) | [0344](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0344.py) |
-| [Find All Duplicates in an Array](https://leetcode.com/problems/find-all-duplicates-in-an-array/) | [0442](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0442.py) |
-| [4Sum II](https://leetcode.com/problems/4sum-ii/) | [0454](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0454.py) |
-| [Keyboard Row](https://leetcode.com/problems/keyboard-row/) | [0500](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0500.py) |
-| [Find Bottom Left Tree Value](https://leetcode.com/problems/find-bottom-left-tree-value/) | [0513](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0513.py) |
-| [Find Largest Value in Each Tree Row](https://leetcode.com/problems/find-largest-value-in-each-tree-row/) | [0515](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0515.py) |
-| [Single Element in a Sorted Array](https://leetcode.com/problems/single-element-in-a-sorted-array/) | [0540](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0540.py) |
-| [Maximum Binary Tree](https://leetcode.com/problems/maximum-binary-tree/) | [0654](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0654.py) |
-| [Robot Return to Origin](https://leetcode.com/problems/robot-return-to-origin/) | [0657](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0657.py) |
-| [Non-decreasing Array](https://leetcode.com/problems/non-decreasing-array/) | [0665](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0665.py) |
-| [Longest Continuous Increasing Subsequence](https://leetcode.com/problems/longest-continuous-increasing-subsequence/) | [0674](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0674.py) |
-| [Jewels and Stones](https://leetcode.com/problems/jewels-and-stones/) | [0771](https://github.com/varvara-krasavina/leetcode/blob/master/solutions/0771.py) |
+| [Two Sum](https://leetcode.com/problems/two-sum/) | [0001](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0001.py) |
+| [Add Two Numbers](https://leetcode.com/problems/add-two-numbers/) | [0002](https://github.com/varvara-krasavina/leetcode/blob/master/probmels/0002.py) |
+| [Reverse Integer](https://leetcode.com/problems/reverse-integer/)|[0007](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0007.py) |
+| [Palindrome Number](https://leetcode.com/problems/palindrome-number/) | [0009](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0009.py) |
+| [Container With Most Water](https://leetcode.com/problems/container-with-most-water/) | [0011](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0011.py) |
+| [Roman to Integer](https://leetcode.com/problems/roman-to-integer/) | [0013](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0013.py) |
+| [Longest Common Prefix](https://leetcode.com/problems/longest-common-prefix/) | [0014](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0014.py) |
+| [3Sum](https://leetcode.com/problems/3sum/) | [0015](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0015.py) |
+| [Valid Parentheses](https://leetcode.com/problems/valid-parentheses/) | [0020](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0020.py) |
+| [Remove Duplicates from Sorted Array](https://leetcode.com/problems/remove-duplicates-from-sorted-array/) | [0026](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0026.py) |
+| [Remove Element](https://leetcode.com/problems/remove-element/) | [0027](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0027.py) |
+| [Implement strStr()](https://leetcode.com/problems/implement-strstr/) | [0028](https://github.com/varvarvarvar/leetcode/blob/master/problems/0028.py) |
+| [Sort Colors](https://leetcode.com/problems/sort-colors/) | [0075](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0075.py) |
+| [Valid Palindrome](https://leetcode.com/problems/valid-palindrome/)  | [0125](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0125.py)  |
+| [Rotate Array](https://leetcode.com/problems/rotate-array/)  | [0189](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0189.py) |
+| [House Robber](https://leetcode.com/problems/house-robber/) | [0198](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0198.py) |
+| [Count Primes](https://leetcode.com/problems/count-primes/) | [0204](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0204.py) |
+| [Reverse String](https://leetcode.com/problems/reverse-string/) | [0344](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0344.py) |
+| [Find All Duplicates in an Array](https://leetcode.com/problems/find-all-duplicates-in-an-array/) | [0442](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0442.py) |
+| [4Sum II](https://leetcode.com/problems/4sum-ii/) | [0454](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0454.py) |
+| [Keyboard Row](https://leetcode.com/problems/keyboard-row/) | [0500](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0500.py) |
+| [Find Bottom Left Tree Value](https://leetcode.com/problems/find-bottom-left-tree-value/) | [0513](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0513.py) |
+| [Find Largest Value in Each Tree Row](https://leetcode.com/problems/find-largest-value-in-each-tree-row/) | [0515](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0515.py) |
+| [Single Element in a Sorted Array](https://leetcode.com/problems/single-element-in-a-sorted-array/) | [0540](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0540.py) |
+| [Maximum Binary Tree](https://leetcode.com/problems/maximum-binary-tree/) | [0654](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0654.py) |
+| [Robot Return to Origin](https://leetcode.com/problems/robot-return-to-origin/) | [0657](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0657.py) |
+| [Non-decreasing Array](https://leetcode.com/problems/non-decreasing-array/) | [0665](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0665.py) |
+| [Longest Continuous Increasing Subsequence](https://leetcode.com/problems/longest-continuous-increasing-subsequence/) | [0674](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0674.py) |
+| [Jewels and Stones](https://leetcode.com/problems/jewels-and-stones/) | [0771](https://github.com/varvara-krasavina/leetcode/blob/master/problems/problem_0771.py) |