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1-two-sum
1-two-sum
 
 
100-same-tree
100-same-tree
 
 
1001-n-repeated-element-in-size-2n-array
1001-n-repeated-element-in-size-2n-array
 
 
1006-vowel-spellchecker
1006-vowel-spellchecker
 
 
101-symmetric-tree
101-symmetric-tree
 
 
1010-powerful-integers
1010-powerful-integers
 
 
1013-fibonacci-number
1013-fibonacci-number
 
 
1018-largest-perimeter-triangle
1018-largest-perimeter-triangle
 
 
1019-squares-of-a-sorted-array
1019-squares-of-a-sorted-array
 
 
102-binary-tree-level-order-traversal
102-binary-tree-level-order-traversal
 
 
1026-string-without-aaa-or-bbb
1026-string-without-aaa-or-bbb
 
 
1031-add-to-array-form-of-integer
1031-add-to-array-form-of-integer
 
 
1039-find-the-town-judge
1039-find-the-town-judge
 
 
104-maximum-depth-of-binary-tree
104-maximum-depth-of-binary-tree
 
 
1044-find-common-characters
1044-find-common-characters
 
 
1047-maximize-sum-of-array-after-k-negations
1047-maximize-sum-of-array-after-k-negations
 
 
1055-pairs-of-songs-with-total-durations-divisible-by-60
1055-pairs-of-songs-with-total-durations-divisible-by-60
 
 
1062-partition-array-into-three-parts-with-equal-sum
1062-partition-array-into-three-parts-with-equal-sum
 
 
1064-smallest-integer-divisible-by-k
1064-smallest-integer-divisible-by-k
 
 
1071-binary-prefix-divisible-by-5
1071-binary-prefix-divisible-by-5
 
 
1078-remove-outermost-parentheses
1078-remove-outermost-parentheses
 
 
1086-divisor-game
1086-divisor-game
 
 
11-container-with-most-water
11-container-with-most-water
 
 
110-balanced-binary-tree
110-balanced-binary-tree
 
 
111-minimum-depth-of-binary-tree
111-minimum-depth-of-binary-tree
 
 
1111-minimum-score-triangulation-of-polygon
1111-minimum-score-triangulation-of-polygon
 
 
1112-find-words-that-can-be-formed-by-characters
1112-find-words-that-can-be-formed-by-characters
 
 
1115-valid-boomerang
1115-valid-boomerang
 
 
1116-maximum-level-sum-of-a-binary-tree
1116-maximum-level-sum-of-a-binary-tree
 
 
112-path-sum
112-path-sum
 
 
1127-last-stone-weight
1127-last-stone-weight
 
 
1128-remove-all-adjacent-duplicates-in-string
1128-remove-all-adjacent-duplicates-in-string
 
 
113-path-sum-ii
113-path-sum-ii
 
 
1135-customers-who-bought-all-products
1135-customers-who-bought-all-products
 
 
1136-actors-and-directors-who-cooperated-at-least-three-times
1136-actors-and-directors-who-cooperated-at-least-three-times
 
 
1137-height-checker
1137-height-checker
 
 
1146-greatest-common-divisor-of-strings
1146-greatest-common-divisor-of-strings
 
 
115-distinct-subsequences
115-distinct-subsequences
 
 
1153-product-sales-analysis-i
1153-product-sales-analysis-i
 
 
1156-occurrences-after-bigram
1156-occurrences-after-bigram
 
 
1161-project-employees-i
1161-project-employees-i
 
 
1168-duplicate-zeros
1168-duplicate-zeros
 
 
1174-sales-analysis-iii
1174-sales-analysis-iii
 
 
1179-game-play-analysis-i
1179-game-play-analysis-i
 
 
118-pascals-triangle
118-pascals-triangle
 
 
1182-game-play-analysis-iv
1182-game-play-analysis-iv
 
 
119-pascals-triangle-ii
119-pascals-triangle-ii
 
 
12-integer-to-roman
12-integer-to-roman
 
 
120-triangle
120-triangle
 
 
121-best-time-to-buy-and-sell-stock
121-best-time-to-buy-and-sell-stock
 
 
1210-mean-of-array-after-removing-some-elements
1210-mean-of-array-after-removing-some-elements
 
 
1217-relative-sort-array
1217-relative-sort-array
 
 
1221-element-appearing-more-than-25-in-sorted-array
1221-element-appearing-more-than-25-in-sorted-array
 
 
1227-number-of-equivalent-domino-pairs
1227-number-of-equivalent-domino-pairs
 
 
123-best-time-to-buy-and-sell-stock-iii
123-best-time-to-buy-and-sell-stock-iii
 
 
1231-replace-elements-with-greatest-element-on-right-side
1231-replace-elements-with-greatest-element-on-right-side
 
 
1241-decompress-run-length-encoded-list
1241-decompress-run-length-encoded-list
 
 
125-valid-palindrome
125-valid-palindrome
 
 
1250-longest-common-subsequence
1250-longest-common-subsequence
 
 
1256-rank-transform-of-an-array
1256-rank-transform-of-an-array
 
 
1258-article-views-i
1258-article-views-i
 
 
1264-maximum-number-of-words-you-can-type
1264-maximum-number-of-words-you-can-type
 
 
1267-remove-zero-sum-consecutive-nodes-from-linked-list
1267-remove-zero-sum-consecutive-nodes-from-linked-list
 
 
1278-product-price-at-a-given-date
1278-product-price-at-a-given-date
 
 
128-longest-consecutive-sequence
128-longest-consecutive-sequence
 
 
1283-reformat-date
1283-reformat-date
 
 
1284-four-divisors
1284-four-divisors
 
 
1287-distance-between-bus-stops
1287-distance-between-bus-stops
 
 
129-sum-root-to-leaf-numbers
129-sum-root-to-leaf-numbers
 
 
1292-immediate-food-delivery-ii
1292-immediate-food-delivery-ii
 
 
1293-three-consecutive-odds
1293-three-consecutive-odds
 
 
1297-maximum-number-of-balloons
1297-maximum-number-of-balloons
 
 
13-roman-to-integer
13-roman-to-integer
 
 
1301-reformat-department-table
1301-reformat-department-table
 
 
1302-delete-characters-to-make-fancy-string
1302-delete-characters-to-make-fancy-string
 
 
1306-minimum-absolute-difference
1306-minimum-absolute-difference
 
 
1317-monthly-transactions-i
1317-monthly-transactions-i
 
 
1319-unique-number-of-occurrences
1319-unique-number-of-occurrences
 
 
1327-last-person-to-fit-in-the-bus
1327-last-person-to-fit-in-the-bus
 
 
1329-minimum-cost-to-move-chips-to-the-same-position
1329-minimum-cost-to-move-chips-to-the-same-position
 
 
1337-design-skiplist
1337-design-skiplist
 
 
1338-queries-quality-and-percentage
1338-queries-quality-and-percentage
 
 
1341-split-a-string-in-balanced-strings
1341-split-a-string-in-balanced-strings
 
 
1350-remove-sub-folders-from-the-filesystem
1350-remove-sub-folders-from-the-filesystem
 
 
1353-find-resultant-array-after-removing-anagrams
1353-find-resultant-array-after-removing-anagrams
 
 
136-single-number
136-single-number
 
 
1363-greatest-english-letter-in-upper-and-lower-case
1363-greatest-english-letter-in-upper-and-lower-case
 
 
1378-cells-with-odd-values-in-a-matrix
1378-cells-with-odd-values-in-a-matrix
 
 
138-copy-list-with-random-pointer
138-copy-list-with-random-pointer
 
 
1388-greatest-sum-divisible-by-three
1388-greatest-sum-divisible-by-three
 
 
1390-average-selling-price
1390-average-selling-price
 
 
1392-find-the-difference-of-two-arrays
1392-find-the-difference-of-two-arrays
 
 
1395-minimum-time-visiting-all-points
1395-minimum-time-visiting-all-points
 
 
14-longest-common-prefix
14-longest-common-prefix
 
 
1400-find-winner-on-a-tic-tac-toe-game
1400-find-winner-on-a-tic-tac-toe-game
 
 
1402-count-square-submatrices-with-all-ones
1402-count-square-submatrices-with-all-ones
 
 
141-linked-list-cycle
141-linked-list-cycle
 
 
1411-convert-binary-number-in-a-linked-list-to-integer
1411-convert-binary-number-in-a-linked-list-to-integer
 
 
1415-students-and-examinations
1415-students-and-examinations
 
 
142-linked-list-cycle-ii
142-linked-list-cycle-ii
 
 

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LeetCode Solutions

Poomiz's LeetCode Stats

Welcome to my Problem Solving Journey

This repository serves as a personal archive for the challenges I have tackled on LeetCode.

Coding is a marathon, not a sprint. Here, I document my progress as I refine my logic in Python and Java, and sharpen my query-building skills in MySQL. Each solution represents a step forward in understanding complex data structures, algorithms, and database optimization.

Feel free to explore the repo to see my approach to different problem patterns.

Let's Connect and Discuss Tech

I am always looking to expand my circle and dive into meaningful technical conversations. I am particularly interested in:

  • Industry Stats and Trends: Discussing the shift in hiring patterns, tech stacks, and the current state of the software market.
  • System Design and Scalability: Sharing insights on how to build robust, high-performance applications.
  • Algorithm Optimization: Brainstorming more efficient ways to solve complex problems.

“The only way to learn a new programming language is by writing programs in it.” — Dennis Ritchie

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My journey through LeetCode.

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leetcode-solutions algorithms-and-data-structures

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