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TA的专栏 12篇文章 4人订阅

LeetCode从零开始

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【LeetCode】617. Merge Two Binary Trees

Given two binary trees and imagine that when you put one of them to cover the other, some nodes of the two trees are overlapped while the others are n...

2019-10-05

0 523

【LeetCode】136. Single Number

Given a non-empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear run...

2019-10-04

0 0

【LeetCode】136. Single Number

Given a non-empty array of integers, every element appears twice except for one. Find that single one. Note: Your algorithm should have a linear run...

2019-10-04

0 713

【LeetCode】104. Maximum Depth of Binary Tree

Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest ...

2019-10-04

0 513

【LeetCode】104. Maximum Depth of Binary Tree

Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the farthest ...

2019-10-04

0 534

【Leet Code】283. Move Zeroes

Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. Example: Input...

2019-10-04

0 558

【Leet Code】283. Move Zeroes

Given an array nums, write a function to move all 0's to the end of it while maintaining the relative order of the non-zero elements. Example: Input...

2019-10-04

0 468

【Leet Code】70. Climbing Stairs

You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you c...

2019-10-04

0 484

【Leet Code】70. Climbing Stairs

You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you c...

2019-10-04

0 490

【Leet Code】206. Reverse Linked List

Reverse a singly linked list. Example: Input: 1->2->3->4->5->NULL Output: 5->4->3->2->1->NULL Follow up: A linked lis...

2019-10-04

0 719