Given string S and a dictionary of words words, find the number of words[i]…
This question is the same as "Max Chunks to Make Sorted" except the integers of the given array are …
There are N students in a class. Some of them are friends, while some are not. Their frien…
Given two words word1 and word2, find the minimum number of steps required to make&nb…
You are a professional robber planning to rob houses along a street. Each house has a certain amount…
Given an array nums of integers, you can perform operations on the array. In each operatio…
In a directed graph, we start at some node and every turn, walk along a directed edge of the graph. …

关注我们的公众号

微信公众号