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摘要： package LeetCode_338 /** * 338. Counting Bits * https://leetcode.com/problems/counting-bits/description/ * https://www.cnblogs.com/grandyang/p/5294255 阅读全文

摘要： package LeetCode_1064 /** * 1064. Fixed Point * Lock by LeetCode * Given an array A of distinct integers sorted in ascending order, return the smalles 阅读全文

摘要： package LeetCode_622 /** * 622. Design Circular Queue * https://leetcode.com/problems/design-circular-queue/description/ * * Your implementation shoul 阅读全文

摘要： package LeetCode_71 import java.util.* /** * 71. Simplify Path * https://leetcode.com/problems/simplify-path/description/ * * Example 5: Input: "/a/.. 阅读全文

摘要： package LeetCode_347 import java.util.* import kotlin.collections.ArrayList import kotlin.collections.HashMap /** * 347. Top K Frequent Elements * htt 阅读全文

摘要： package LeetCode_7 /** * 7. Reverse Integer * https://leetcode.com/problems/reverse-integer/description/ * */ class Solution { fun reverse(x_: Int): I 阅读全文

摘要： /** 26. Remove Duplicates from Sorted Array https://leetcode.com/problems/remove-duplicates-from-sorted-array/description/ */ class Solution { fun rem 阅读全文

摘要： package _Sort.Algorithm /** * https://www.geeksforgeeks.org/merge-sort/ * https://www.cnblogs.com/chengxiao/p/6194356.html * best/worst/average Time c 阅读全文

摘要： /** * 55. Jump Game * https://leetcode.com/problems/jump-game/description/ * */ class Solution { fun canJump(nums: IntArray): Boolean { //method 1 /*v 阅读全文

摘要： /** * 860. Lemonade Change * https://leetcode.com/problems/lemonade-change/description/ * */ class Solution { //使用贪心，策略是每次找钱选择大面额，尽量保留5元的 fun lemonade 阅读全文