[WIP] Java Coding (DSA) Problems

This repository contains solutions to various coding problems in Java. The questions are taken from various sources like LeetCode, AlgoExpert, Geeks for Geeks, etc. This repository contains dsa problems from basic printing a square pattern to complex problems like Largest Rectangle in Histogram and Kth Ancestor in a Tree.

Usage

Clone the repository

git clone git@github.com:IamManchanda/java-coding-problems.git

Change to repository's directory

cd java-coding-problems

Change to problem's solution directory, example

cd 015-print-square-pattern/solution

Allow Permission for bash script

chmod u+x _run.sh

Run the script, example

./_run.sh

Name		Name	Last commit message	Last commit date
Latest commit History 515 Commits
000-data-structures		000-data-structures
001-014-basic-problems		001-014-basic-problems
015-print-square-pattern		015-print-square-pattern
016-reverse-number		016-reverse-number
017-prime-number		017-prime-number
018-sum-even-odd-n-natural-numbers		018-sum-even-odd-n-natural-numbers
019-factorial		019-factorial
020-print-multiplication-table		020-print-multiplication-table
021-print-star-pattern		021-print-star-pattern
022-print-inverted-star-pattern		022-print-inverted-star-pattern
023-print-half-pyramid-pattern		023-print-half-pyramid-pattern
024-print-character-pattern		024-print-character-pattern
025-binomial-coefficient		025-binomial-coefficient
026-print-primes-in-range		026-print-primes-in-range
027-binary-to-decimal		027-binary-to-decimal
028-decimal-to-binary		028-decimal-to-binary
029-average-three-numbers		029-average-three-numbers
030-check-even		030-check-even
031-is-palindrome		031-is-palindrome
032-sum-digits		032-sum-digits
033-hollow-rectangle-pattern		033-hollow-rectangle-pattern
034-inverted-rotated-half-pyramid		034-inverted-rotated-half-pyramid
035-inverted-half-pyramid-numbers		035-inverted-half-pyramid-numbers
036-flyods-triangle		036-flyods-triangle
037-zero-one-triangle		037-zero-one-triangle
038-butterfly-pattern		038-butterfly-pattern
039-solid-rhombus		039-solid-rhombus
040-hollow-rhombus		040-hollow-rhombus
041-diamond-pattern		041-diamond-pattern
042-array-linear-search		042-array-linear-search
043-largest-smallest-number-array		043-largest-smallest-number-array
044-binary-search-sorted-array		044-binary-search-sorted-array
045-reverse-array		045-reverse-array
046-pairs-array		046-pairs-array
047-subarrays-of-array		047-subarrays-of-array
048-max-subarray-sum		048-max-subarray-sum
049-trapping-rain-water		049-trapping-rain-water
050-buy-sell-stocks		050-buy-sell-stocks
051-bubble-sort		051-bubble-sort
052-selection-sort		052-selection-sort
053-insertion-sort		053-insertion-sort
054-inbuilt-sort		054-inbuilt-sort
055-counting-sort		055-counting-sort
056-contains-duplicate		056-contains-duplicate
057-search-rotated-search-array		057-search-rotated-search-array
058-three-sum		058-three-sum
059-print-2d-array		059-print-2d-array
060-search-2d-array		060-search-2d-array
061-spiral-matrix		061-spiral-matrix
062-matrix-diagonal-sum		062-matrix-diagonal-sum
063-search-2d-matrix		063-search-2d-matrix
064-count-occurrences-in-matrix		064-count-occurrences-in-matrix
065-transpose-matrix		065-transpose-matrix
066-valid-palindrome		066-valid-palindrome
067-shortest-path		067-shortest-path
068-substring		068-substring
069-largest-string		069-largest-string
070-capitalize-the-title		070-capitalize-the-title
071-string-compression		071-string-compression
072-count-vowels-occurrence		072-count-vowels-occurrence
073-valid-anagrams		073-valid-anagrams
074-bit-manipulation		074-bit-manipulation
075-binary-odd-even-check		075-binary-odd-even-check
076-get-ith-bit		076-get-ith-bit
077-set-ith-bit		077-set-ith-bit
078-clear-ith-bit		078-clear-ith-bit
079-update-ith-bit		079-update-ith-bit
080-clear-last-i-bits		080-clear-last-i-bits
081-clear-bits-in-range		081-clear-bits-in-range
082-power-of-two		082-power-of-two
083-count-set-bits		083-count-set-bits
084-powx-n		084-powx-n
085-swap-without-temp		085-swap-without-temp
086-add-one-bit-manipulation		086-add-one-bit-manipulation
087-complex-numbers		087-complex-numbers
088-print-numbers-decreasing		088-print-numbers-decreasing
089-print-numbers-increasing		089-print-numbers-increasing
090-fibonacci		090-fibonacci
091-is-sorted		091-is-sorted
092-first-occurrence		092-first-occurrence
093-last-occurrence		093-last-occurrence
094-tiling-problem		094-tiling-problem
095-remove-duplicate-letters		095-remove-duplicate-letters
096-friends-pairing-problem		096-friends-pairing-problem
097-two-number-sum		097-two-number-sum
098-print-binary-strings		098-print-binary-strings
099-all-occurences		099-all-occurences
100-print-digits		100-print-digits
101-length-string		101-length-string
102-count-substrings		102-count-substrings
103-tower-hanoi		103-tower-hanoi
104-validate-subsequence		104-validate-subsequence
105-merge-sort		105-merge-sort
106-quick-sort		106-quick-sort
107-merge-sort-strings-array		107-merge-sort-strings-array
108-majority-element		108-majority-element
109-inversion-count		109-inversion-count
110-sorted-squared-array		110-sorted-squared-array
111-tournament-winner		111-tournament-winner
112-non-constructible-change		112-non-constructible-change

IamManchanda/java-coding-problems

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