> For the complete documentation index, see [llms.txt](https://protegejj.gitbook.io/algorithm-practice/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search.md).

# Breadth First Search

- [126 Word Ladder II](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/126-word-ladder-ii.md)
- [127 Word Ladder](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/127-word-ladder.md)
- [130 Surrounded Regions](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/130-surrounded-regions.md)
- [279 Perfect Squares](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/279-perfect-squares.md)
- [286 Walls and Gates](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/286-walls-and-gates.md)
- [317 Shortest Distance from All Buildings](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/317-shortest-distance-from-all-buildings.md)
- [397 Integer Replacement](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/397-integer-replacement.md)
- [407 Trapping Rain Water II](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/407-trapping-rain-water-ii.md)
- [433 Minimum Genetic Mutation](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/433-minimum-genetic-mutation.md)
- [675 Cut Off Trees for Golf Event](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/675-cut-off-trees-for-golf-event.md)
- [743 Network Delay Time](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/743-network-delay-time.md)
- [752 Open the Lock](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/753-open-the-lock.md)
- [773 Sliding Puzzle](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/773-sliding-puzzle.md)
- [787 Cheapest Flights Within K Stops](https://protegejj.gitbook.io/algorithm-practice/leetcode/breadth-first-search/787-cheapest-flights-within-k-stops.md)