题目描述：
LeetCode 440. K-th Smallest in Lexicographical Order
Given integers n and k, find the lexicographically k-th smallest integer in the range from 1 to n.
Note: 1 ≤ k ≤ n ≤ 109.
Example:
Input: n: 13 k ...
归档 2016
[LeetCode]K-th Smallest in Lexicographical Order
[LeetCode]Ternary Expression Parser
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LeetCode.
题目描述：
LeetCode 439. Ternary Expression Parser
Given a string representing arbitrarily nested ternary expressions, calculate the result of the expression. You can always assume that the given expression is valid and only consists of digits 0-9, ?, :, T and F (T ...
[LeetCode]Find All Anagrams in a String
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LeetCode.
题目描述：
LeetCode 438. Find All Anagrams in a String
Given a string s and a non-empty string p, find all the start indices of p's anagrams in s.
Strings consists of lowercase English letters only and the length of ...
[LeetCode]Path Sum III
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LeetCode.
题目描述：
You are given a binary tree in which each node contains an integer value.
Find the number of paths that sum to a given value.
The path does not need to start or end ...
[LeetCode]Strong Password Checker
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题目描述：
LeetCode 420. Strong Password Checker
A password is considered strong if below conditions are all met:
- It has at least 6 characters and at most 20 characters.
- It must contain at least one lowercase letter, at least one uppercase ...