原创 LeetCode 283. Move Zeroes
Description Given an array nums, write a function to move all 0’s to the end of it while maintaining the relative order
原创 LeetCode 217. Contains Duplicate
Description Given an array of integers, find if the array contains any duplicates. Your function should return true if
原创 LeetCode 228. Summary Ranges
Description Given a sorted integer array without duplicates, return the summary of its ranges. For example, given [0,1,
原创 LeetCode 633. Sum of Square Numbers
Description Given a non-negative integer c, your task is to decide whether there’re two integers a and b such that a2+b
原创 LeetCode 561. Array Partition I
Description Given an array of 2n integers, your task is to group these integers into n pairs of integer, say (a1, b1),