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[LeetCode]Next Greater Node In Linked List

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 ...

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[LeetCode]Convert to Base -2

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 ...

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[LeetCode]Numbers With Repeated Digits

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 ...

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