题目描述：
You are given coins of different denominations and a total amount of money. Write a function to compute the number of combinations that make up that amount. You may assume that you have infinite ...
归档 2017年2月
[LeetCode]Coin Change 2
[LeetCode]Longest Palindromic Subsequence
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LeetCode.
题目描述：
LeetCode 516. Longest Palindromic Subsequence
Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s is 1000.
Example 1:
Input:
"bbbab"
Output:
4
One possible longest palindromic subsequence ...
LeetCode Weekly Contest 19解题报告
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LeetCode.
LeetCode Weekly Contest 19是LeetCode举办的第二十四场正式周赛，共4道题目，比赛时长1.5小时。
比赛链接：https://leetcode.com/contest/leetcode-weekly-contest-19/
题解列表：
LeetCode 513. Find Left Most Element
[LeetCode]Reverse Pairs
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LeetCode.
题目描述：
Given an array nums, we call (i, j) an important reverse pair if i < j and nums[i] > 2*nums[j].
You need to return the number of important reverse pairs in the ...
[LeetCode]Find Largest Element in Each Row
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LeetCode.
题目描述：
LeetCode 515. Find Largest Element in Each Row
You need to find the largest value in each row of a binary tree.
Example:
Input:
1
/ \
3 2
/ \ \
5 3 9
Output: [1, 3, 9]
题目大意：
给定二叉树，返回其每一行的最大元素。
解题思路：
二叉树的层次遍历 ...