Solution to Cyclic-Rotation by codility

9 Feb

Question: https://codility.com/demo/take-sample-test/cyclic_rotation/ Question Name: Cyclic-Rotation or CyclicRotation With Python’s syntactic sugar, the solution is pretty short.

Well, kind of too easy. Let’s try a C++ solution to demo the details better. Thanks to @micropentium6, the original C++ solution is … Read More »

Solution to Add and Search Word – Data Structure Design by LeetCode

8 Jan

Question: https://leetcode.com/problems/add-and-search-word-data-structure-design/ Question Name: Add and Search Word – Data Structure Design This is a variant of prefix tree (trie).

Solution to Course Schedule II by LeetCode

3 Jan

Question: https://leetcode.com/problems/course-schedule-ii/ Question Name: Course Schedule II

Solution to Minimum Size Subarray Sum by LeetCode

1 Jan

Question: https://leetcode.com/problems/minimum-size-subarray-sum/ Question Name: Minimum Size Subarray Sum This question is very similar with Longest Substring Without Repeating Characters and Minimum Window Substring.

Solution to Implement Trie (Prefix Tree) by LeetCode

1 Jan

Question: https://leetcode.com/problems/implement-trie-prefix-tree/ Question Name: Implement Trie (Prefix Tree) Not a full implementation. The delete function is not required.

Solution to Course Schedule by LeetCode

22 Dec

Question: https://leetcode.com/problems/course-schedule/ Question Name: Course Schedule

   

Solution to Polygon-Concavity-Index by codility

18 Oct

Question: https://codility.com/demo/take-sample-test/polygon_concavity_index/ Question Name: Polygon-Concavity-Index or PolygonConcavityIndex Thanks to Robert Sedgewick, the Youtube video (Algorithms, Part I – Convex Hull) tells everything about this problem.