leetcode

A collection of 14 posts - 1 / 2

engineering[LeetCode][Easy] 28. Implement strStr()Implement strStr(). Return the index of the first occurrence of needle in haystack, or -1 if needle is not part of haystack.

2021-04-07

2 MIN

engineering[LeetCode][Medium] 77. CombinationsGiven two integers n and k, return all possible combinations of k numbers out of the range [1, n].

2021-04-04

1 MIN

engineering[LeetCode][Medium] 63. Unique Paths IIA robot is located at the top-left corner of a m x n grid (marked 'Start' in the diagram below).

2021-04-03

2 MIN

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