leetcode-solutions

This repository is a collection of LeetCode questions solved by me. THis repo contain only successfully accepted leetcode solutions. And some of the solutions contain personalised notes and comments. This will help you to ace the coding interview!

Created using LeetHub

Name		Name	Last commit message	Last commit date
Latest commit History 478 Commits
0001-two-sum		0001-two-sum
0002-add-two-numbers		0002-add-two-numbers
0005-longest-palindromic-substring		0005-longest-palindromic-substring
0009-palindrome-number		0009-palindrome-number
0013-roman-to-integer		0013-roman-to-integer
0014-longest-common-prefix		0014-longest-common-prefix
0020-valid-parentheses		0020-valid-parentheses
0026-remove-duplicates-from-sorted-array		0026-remove-duplicates-from-sorted-array
0034-find-first-and-last-position-of-element-in-sorted-array		0034-find-first-and-last-position-of-element-in-sorted-array
0035-search-insert-position		0035-search-insert-position
0048-rotate-image		0048-rotate-image
0053-maximum-subarray		0053-maximum-subarray
0054-spiral-matrix		0054-spiral-matrix
0058-length-of-last-word		0058-length-of-last-word
0073-set-matrix-zeroes		0073-set-matrix-zeroes
0074-search-a-2d-matrix		0074-search-a-2d-matrix
0075-sort-colors		0075-sort-colors
0084-largest-rectangle-in-histogram		0084-largest-rectangle-in-histogram
0088-merge-sorted-array		0088-merge-sorted-array
0118-pascals-triangle		0118-pascals-triangle
0119-pascals-triangle-ii		0119-pascals-triangle-ii
0121-best-time-to-buy-and-sell-stock		0121-best-time-to-buy-and-sell-stock
0122-best-time-to-buy-and-sell-stock-ii		0122-best-time-to-buy-and-sell-stock-ii
0125-valid-palindrome		0125-valid-palindrome
0128-longest-consecutive-sequence		0128-longest-consecutive-sequence
0136-single-number		0136-single-number
0141-linked-list-cycle		0141-linked-list-cycle
0142-linked-list-cycle-ii		0142-linked-list-cycle-ii
0150-evaluate-reverse-polish-notation		0150-evaluate-reverse-polish-notation
0160-intersection-of-two-linked-lists		0160-intersection-of-two-linked-lists
0162-find-peak-element		0162-find-peak-element
0169-majority-element		0169-majority-element
0189-rotate-array		0189-rotate-array
0206-reverse-linked-list		0206-reverse-linked-list
0229-majority-element-ii		0229-majority-element-ii
0231-power-of-two		0231-power-of-two
0234-palindrome-linked-list		0234-palindrome-linked-list
0237-delete-node-in-a-linked-list		0237-delete-node-in-a-linked-list
0268-missing-number		0268-missing-number
0283-move-zeroes		0283-move-zeroes
0300-longest-increasing-subsequence		0300-longest-increasing-subsequence
0328-odd-even-linked-list		0328-odd-even-linked-list
0451-sort-characters-by-frequency		0451-sort-characters-by-frequency
0485-max-consecutive-ones		0485-max-consecutive-ones
0496-next-greater-element-i		0496-next-greater-element-i
0540-single-element-in-a-sorted-array		0540-single-element-in-a-sorted-array
0704-binary-search		0704-binary-search
0875-koko-eating-bananas		0875-koko-eating-bananas
0876-middle-of-the-linked-list		0876-middle-of-the-linked-list
0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divamazon-divdiv-classcompanytagscontainer-tagoccurence45-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divgoldman-sachs-divdiv-classcompanytagscontainer-tagoccurence38-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divfacebook-divdiv-classcompanytagscontainer-tagoccurence34-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divbloomberg-divdiv-classcompanytagscontainer-tagoccurence15-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divmicrosoft-divdiv-classcompanytagscontainer-tagoccurence9-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divgoogle-divdiv-classcompanytagscontainer-tagoccurence8-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divapple-divdiv-classcompanytagscontainer-tagoccurence8-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divadobe-divdiv-classcompanytagscontainer-tagoccurence7-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divuber-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divqualtrics-divdiv-classcompanytagscontainer-tagoccurence4-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divrubrik-divdiv-classcompanytagscontainer-tagoccurence4-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divsnapchat-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintel-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divoracle-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divpaypal-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divtesla-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintuit-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divcitadel-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divvisa-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divservicenow-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divnational-instruments-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divsapient-divdiv-classcompanytagscontainer-tagoccurence2-div-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div42-trapping-rain-water		0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divamazon-divdiv-classcompanytagscontainer-tagoccurence45-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divgoldman-sachs-divdiv-classcompanytagscontainer-tagoccurence38-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divfacebook-divdiv-classcompanytagscontainer-tagoccurence34-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divbloomberg-divdiv-classcompanytagscontainer-tagoccurence15-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divmicrosoft-divdiv-classcompanytagscontainer-tagoccurence9-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divgoogle-divdiv-classcompanytagscontainer-tagoccurence8-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divapple-divdiv-classcompanytagscontainer-tagoccurence8-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divadobe-divdiv-classcompanytagscontainer-tagoccurence7-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divuber-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divqualtrics-divdiv-classcompanytagscontainer-tagoccurence4-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divrubrik-divdiv-classcompanytagscontainer-tagoccurence4-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divsnapchat-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintel-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divoracle-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divpaypal-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divtesla-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintuit-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divcitadel-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divvisa-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divservicenow-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divnational-instruments-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divsapient-divdiv-classcompanytagscontainer-tagoccurence2-div-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div42-trapping-rain-water
0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divamazon-divdiv-classcompanytagscontainer-tagoccurence6-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divmicrosoft-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divadobe-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divfacebook-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divtcs-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divapple-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintel-divdiv-classcompanytagscontainer-tagoccurence2-div-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div344-reverse-string		0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divamazon-divdiv-classcompanytagscontainer-tagoccurence6-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divmicrosoft-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divadobe-divdiv-classcompanytagscontainer-tagoccurence5-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divfacebook-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divtcs-divdiv-classcompanytagscontainer-tagoccurence3-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divapple-divdiv-classcompanytagscontainer-tagoccurence2-div-divdiv-classcompanytagscontainer-tag-stylebackground-color-rgba0-10-32-005-divintel-divdiv-classcompanytagscontainer-tagoccurence2-div-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div344-reverse-string
0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tagno-companies-found-for-this-problem-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div496-next-greater-element-i		0div-idbig-omega-company-tagsdiv-idbig-omega-topbardiv-classcompanytagscontainer-styleoverflow-x-scroll-flex-wrap-nowrap-div-classcompanytagscontainer-tagno-companies-found-for-this-problem-div-divdiv-classcompanytagscontainer-chevrondivsvg-version11-idicon-xmlnshttp-wwww3org-2000-svg-xmlns-xlinkhttp-wwww3org-1999-xlink-x0px-y0px-viewbox0-0-32-32-fill4087f1-xml-spacepreserve-stylewidth-20px-polygon-points16-22-6-12-74-106-16-192-246-106-26-12-polygonrect-id-x3c-transparent-rectangle-x3e-classst0-fillnone-width32-height32-rect-svg-div-div-div-div496-next-greater-element-i
100-same-tree		100-same-tree
1011-capacity-to-ship-packages-within-d-days		1011-capacity-to-ship-packages-within-d-days
1013-fibonacci-number		1013-fibonacci-number
1021-remove-outermost-parentheses		1021-remove-outermost-parentheses
104-maximum-depth-of-binary-tree		104-maximum-depth-of-binary-tree
1046-max-consecutive-ones-iii		1046-max-consecutive-ones-iii
110-balanced-binary-tree		110-balanced-binary-tree
1135-customers-who-bought-all-products		1135-customers-who-bought-all-products
114-flatten-binary-tree-to-linked-list		114-flatten-binary-tree-to-linked-list
1146-greatest-common-divisor-of-strings		1146-greatest-common-divisor-of-strings
1153-product-sales-analysis-i		1153-product-sales-analysis-i
1155-product-sales-analysis-iii		1155-product-sales-analysis-iii
1161-project-employees-i		1161-project-employees-i
1179-game-play-analysis-i		1179-game-play-analysis-i
121-best-time-to-buy-and-sell-stock		121-best-time-to-buy-and-sell-stock
122-best-time-to-buy-and-sell-stock-ii		122-best-time-to-buy-and-sell-stock-ii
1245-user-activity-for-the-past-30-days-i		1245-user-activity-for-the-past-30-days-i
1258-article-views-i		1258-article-views-i
128-longest-consecutive-sequence		128-longest-consecutive-sequence
1283-find-the-smallest-divisor-given-a-threshold		1283-find-the-smallest-divisor-given-a-threshold
1292-immediate-food-delivery-ii		1292-immediate-food-delivery-ii
13-roman-to-integer		13-roman-to-integer
1317-monthly-transactions-i		1317-monthly-transactions-i
1319-unique-number-of-occurrences		1319-unique-number-of-occurrences
1338-queries-quality-and-percentage		1338-queries-quality-and-percentage
1390-average-selling-price		1390-average-selling-price
1392-find-the-difference-of-two-arrays		1392-find-the-difference-of-two-arrays
141-linked-list-cycle		141-linked-list-cycle
1415-students-and-examinations		1415-students-and-examinations
145-binary-tree-postorder-traversal		145-binary-tree-postorder-traversal
1462-list-the-products-ordered-in-a-period		1462-list-the-products-ordered-in-a-period
1482-minimum-number-of-days-to-make-m-bouquets		1482-minimum-number-of-days-to-make-m-bouquets
1509-replace-employee-id-with-the-unique-identifier		1509-replace-employee-id-with-the-unique-identifier
151-reverse-words-in-a-string		151-reverse-words-in-a-string
1512-number-of-good-pairs		1512-number-of-good-pairs
152-maximum-product-subarray		152-maximum-product-subarray
1528-kids-with-the-greatest-number-of-candies		1528-kids-with-the-greatest-number-of-candies
1539-kth-missing-positive-number		1539-kth-missing-positive-number
1567-maximum-number-of-vowels-in-a-substring-of-given-length		1567-maximum-number-of-vowels-in-a-substring-of-given-length
1586-longest-subarray-of-1s-after-deleting-one-element		1586-longest-subarray-of-1s-after-deleting-one-element
1616-minimum-difference-between-largest-and-smallest-value-in-three-moves		1616-minimum-difference-between-largest-and-smallest-value-in-three-moves
1625-group-sold-products-by-the-date		1625-group-sold-products-by-the-date
1664-find-users-with-valid-e-mails		1664-find-users-with-valid-e-mails
1670-patients-with-a-condition		1670-patients-with-a-condition
17-letter-combinations-of-a-phone-number		17-letter-combinations-of-a-phone-number
1724-customer-who-visited-but-did-not-make-any-transactions		1724-customer-who-visited-but-did-not-make-any-transactions
1741-sort-array-by-increasing-frequency		1741-sort-array-by-increasing-frequency
176-second-highest-salary		176-second-highest-salary

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