# 类别归档：LeetCode

LeetCode OJ is a platform for preparing technical coding interviews.

## 题目描述：

LeetCode 1019. Next Greater Node In Linked List

We are given a linked list with `head` as the first node.  Let's number the nodes in the list: `node_1, node_2, node_3, ...` etc.

Each node may have a next larger value ...

## 题目描述：

LeetCode 1017. Convert to Base -2

Given a number `N`, return a string consisting of `"0"`s and `"1"`s that represents its value in base `-2` (negative two).

The returned string must have no leading zeroes, unless the ...

## 题目描述：

LeetCode 1014. Capacity To Ship Packages Within D Days

A conveyor belt has packages that must be shipped from one port to another within `D` days.

The `i`-th package on the conveyor belt has a weight of `weights ...`

## 题目描述：

LeetCode 1015. Numbers With Repeated Digits

Given a positive integer `N`, return the number of positive integers less than or equal to `N` that have at least 1 repeated digit.

Example 1:

```Input: 20
Output: 1
Explanation: The only ...```

## 题目描述：

LeetCode 950. Reveal Cards In Increasing Order

In a deck of cards, every card has a unique integer.  You can order the deck in any order you want.

Initially, all the cards start face down (unrevealed) in one deck ...