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images
images
 
 
01-matrix.py
01-matrix.py
 
 
132-pattern.py
132-pattern.py
 
 
3sum-closest.py
3sum-closest.py
 
 
3sum.py
3sum.py
 
 
4sum.py
4sum.py
 
 
README.md
README.md
 
 
account-balance-after-rounded-purchase.py
account-balance-after-rounded-purchase.py
 
 
actors-and-directors-who-cooperated-at-least-three-times.sql
actors-and-directors-who-cooperated-at-least-three-times.sql
 
 
add-binary.py
add-binary.py
 
 
add-digits.py
add-digits.py
 
 
add-one-row-to-tree.py
add-one-row-to-tree.py
 
 
add-to-array-form-of-integer.py
add-to-array-form-of-integer.py
 
 
add-two-integers.py
add-two-integers.py
 
 
add-two-numbers-II.py
add-two-numbers-II.py
 
 
add-two-numbers-ii.py
add-two-numbers-ii.py
 
 
add-two-numbers.py
add-two-numbers.py
 
 
all-nodes-distance-k-in-binary-tree.py
all-nodes-distance-k-in-binary-tree.py
 
 
all-paths-from-source-to-target.py
all-paths-from-source-to-target.py
 
 
all-possible-full-binary-trees.py
all-possible-full-binary-trees.py
 
 
amount-of-time-for-binary-tree-to-be-infected.py
amount-of-time-for-binary-tree-to-be-infected.py
 
 
arithmetic-slices-ii-subsequence.py
arithmetic-slices-ii-subsequence.py
 
 
arithmetic-subarrays.py
arithmetic-subarrays.py
 
 
array-partition.py
array-partition.py
 
 
article-views-i.sql
article-views-i.sql
 
 
as-far-from-land-as-possible.py
as-far-from-land-as-possible.py
 
 
assign-cookies.py
assign-cookies.py
 
 
asteroid-collision.py
asteroid-collision.py
 
 
average-salary-excluding-the-minimum-and-maximum-salary.py
average-salary-excluding-the-minimum-and-maximum-salary.py
 
 
averge-levels-in-binary-tree.py
averge-levels-in-binary-tree.py
 
 
backspace-string-compare.py
backspace-string-compare.py
 
 
bag-of-tokens.py
bag-of-tokens.py
 
 
balanced-binary-tree.py
balanced-binary-tree.py
 
 
bank-account-summary-ii.sql
bank-account-summary-ii.sql
 
 
basic-calculator-ii.py
basic-calculator-ii.py
 
 
basic-calculator.py
basic-calculator.py
 
 
best-team-with-no-conflicts.py
best-team-with-no-conflicts.py
 
 
best-time-to-buy-and-sell-stock-iv.py
best-time-to-buy-and-sell-stock-iv.py
 
 
best-time-to-buy-and-sell-stock-with-cooldown.py
best-time-to-buy-and-sell-stock-with-cooldown.py
 
 
best-time-to-buy-and-sell-stock-with-transaction-fee.py
best-time-to-buy-and-sell-stock-with-transaction-fee.py
 
 
best-time-to-buy-and-sell-stock.py
best-time-to-buy-and-sell-stock.py
 
 
big-countries.sql
big-countries.sql
 
 
binary-search.py
binary-search.py
 
 
binary-tree-inorder-transversal.py
binary-tree-inorder-transversal.py
 
 
binary-tree-inorder-traversal.py
binary-tree-inorder-traversal.py
 
 
binary-tree-level-order-transversal.py
binary-tree-level-order-transversal.py
 
 
binary-tree-level-order-traversal-ii.py
binary-tree-level-order-traversal-ii.py
 
 
binary-tree-maximum-path-sum.py
binary-tree-maximum-path-sum.py
 
 
binary-tree-preorder-traversal.py
binary-tree-preorder-traversal.py
 
 
binary-tree-pruning.py
binary-tree-pruning.py
 
 
binary-tree-zigzag-level-order-traversal.py
binary-tree-zigzag-level-order-traversal.py
 
 
binary-trees-with-factors.py
binary-trees-with-factors.py
 
 
boats-to-save-people.py
boats-to-save-people.py
 
 
brace-expansion-ii.py
brace-expansion-ii.py
 
 
break-a-palindrome.py
break-a-palindrome.py
 
 
buddy-strings.py
buddy-strings.py
 
 
build-an-array-with-stack-operations.py
build-an-array-with-stack-operations.py
 
 
build-array-from-permutation.py
build-array-from-permutation.py
 
 
build-array-where-you-can-find-the-maximum-exactly-k-comparisons.py
build-array-where-you-can-find-the-maximum-exactly-k-comparisons.py
 
 
bulb-switcher.py
bulb-switcher.py
 
 
bus-routes.py
bus-routes.py
 
 
buy-two-chocolates.py
buy-two-chocolates.py
 
 
calculate-money-in-leetcode-bank.py
calculate-money-in-leetcode-bank.py
 
 
calculate-speed-bonus.sql
calculate-speed-bonus.sql
 
 
can-make-arithmetic-progression-from-sequence.py
can-make-arithmetic-progression-from-sequence.py
 
 
can-place-flowers.py
can-place-flowers.py
 
 
candy.py
candy.py
 
 
capacity-to-ship-packages-within-d-days.py
capacity-to-ship-packages-within-d-days.py
 
 
capital-gainloss.sql
capital-gainloss.sql
 
 
champagne-tower.py
champagne-tower.py
 
 
cheapest-flights-within-k-stops.py
cheapest-flights-within-k-stops.py
 
 
check-completeness-of-a-binary-tree.py
check-completeness-of-a-binary-tree.py
 
 
check-if-it-is-a-straight-lin.py
check-if-it-is-a-straight-lin.py
 
 
check-if-the-sentence-is-pangram.py
check-if-the-sentence-is-pangram.py
 
 
check-if-there-is-a-valid-partition-for-the-array.py
check-if-there-is-a-valid-partition-for-the-array.py
 
 
check-if-two-string-arrays-are-equivalent.py
check-if-two-string-arrays-are-equivalent.py
 
 
checking-existence-of-edge-length-limited-paths.py
checking-existence-of-edge-length-limited-paths.py
 
 
climbing-stairs.py
climbing-stairs.py
 
 
clone-graph.py
clone-graph.py
 
 
coin-change-ii.py
coin-change-ii.py
 
 
coin-change.py
coin-change.py
 
 
combination-sum-II.py
combination-sum-II.py
 
 
combination-sum-i.py
combination-sum-i.py
 
 
combination-sum.py
combination-sum.py
 
 
combinations.py
combinations.py
 
 
combine-two-tables.sql
combine-two-tables.sql
 
 
complex-number-multiplication.py
complex-number-multiplication.py
 
 
concatenated-words.py
concatenated-words.py
 
 
concatenation-of-array.py
concatenation-of-array.py
 
 
concatenation-of-consecutive-binary-numbers.py
concatenation-of-consecutive-binary-numbers.py
 
 
constrained-subsequence-sum.py
constrained-subsequence-sum.py
 
 
construct-binary-tree-from-inorder-and-postorder-traversal.py
construct-binary-tree-from-inorder-and-postorder-traversal.py
 
 
construct-binary-tree-from-preorder-and-inorder-traversal.py
construct-binary-tree-from-preorder-and-inorder-traversal.py
 
 
construct-quad-tree.py
construct-quad-tree.py
 
 
construct-string-from-binary-tree.py
construct-string-from-binary-tree.py
 
 
container-with-more-water.py
container-with-more-water.py
 
 
contains-duplicate-ii.py
contains-duplicate-ii.py
 
 
contains-duplicate.py
contains-duplicate.py
 
 
continuous-subarray-sum.py
continuous-subarray-sum.py
 
 
convert-an-array-into-a-2d-array-with-conditions.py
convert-an-array-into-a-2d-array-with-conditions.py
 
 

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Leetcode

Leetcode is a platform for preparing technical coding interviews. It has a large collection of algorithm problems, and supports online code editor with syntax highlighting and real-time code execution.

This repository contains +500 solutions to the problems on Leetcode.

Most of the solutions are written in Python3. Over time, I will also add solutions in other languages such as Go, Java,Rust, C++

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All my +550 solved Leetcode problems.

leetcode.com/zvdy/

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