原创 leetcode【204】【tag Math】Count Primes【c++版本，改進的素數表法】
問題描述： Count the number of prime numbers less than a non-negative number, n. Example: Input: 10 Output: 4 Explanation:
2020-07-03 16:59:33
原创 leetcode【231】【tag Math】Power of Two【c++版本，多種解法，時間100%】
問題描述： Given an integer, write a function to determine if it is a power of two. Example 1: Input: 1 Output: true Expla
2020-07-03 16:59:33
1
原创 leetcode【222】【tag Tree】Count Complete Tree Nodes【c++版本，多種解法】
問題描述： Share Given a complete binary tree, count the number of nodes. Note: Definition of a complete binary tree from Wi
2020-07-03 16:59:33
原创 leetcode【202】【tag Math】Happy Number【c++版本，時間100%】
問題描述： Write an algorithm to determine if a number n is "happy". A happy number is a number defined by the following pro
2020-06-30 04:18:31
1
原创 Key Spotting 小總結【關鍵詞搜索】【大部分源於interspeech和ICASSP】
最近轉了方向，就看了一些NLP方面的文章，這裏做的小總結 目錄 A survey on structured discriminative spoken keyword spotting SMALL-FOOTPRINT KEYWORD S
2020-06-23 00:29:26
46
原创 leetcode【312】Burst Balloons【c++版本，時間81%】
問題描述： Given n balloons, indexed from 0 to n-1. Each balloon is painted with a number on it represented by array nums. Y
2020-06-20 03:49:25
原创 leetcode【153，154】【tag array】Find Minimum in Rotated Sorted Array I / II【c++版本，二分查找，劍指offer，遞歸，非常簡潔】
問題描述(153)： Suppose an array sorted in ascending order is rotated at some pivot unknown to you beforehand. (i.e., [0,1,
2020-06-20 02:16:51
原创 leetcode【309】Best Time to Buy and Sell Stock with Cooldown【c++版本，時間100%，空間O(1)】
問題描述： Say you have an array for which the ith element is the price of a given stock on day i. Design an algorithm to fi
2020-06-20 02:16:51
原创 leetcode【300】【tag DP Binary Search】Longest Increasing Subsequence【c++版本，時間95%，二分查找】
問題描述： Given an unsorted array of integers, find the length of longest increasing subsequence. Example: Input: [10,9,2,
2020-06-16 15:34:02
原创 leetcode【213】【tag DP】House Robber II【c++版本，時間O(n)，空間O(1)】
問題描述： You are a professional robber planning to rob houses along a street. Each house has a certain amount of money sta
2020-06-16 13:18:44
原创 leetcode【289】【tag Array】Game of Life【c++版本，時間100%，空間O(1)】
問題描述： According to the Wikipedia's article: "The Game of Life, also known simply as Life, is a cellular automaton devis
2020-06-15 15:26:59
原创 leetcode【287】【tag Array Two pointers】Find the Duplicate Number【c++版本，時間89%，兩種解法】
問題描述： Given an array nums containing n + 1 integers where each integer is between 1 and n (inclusive), prove that at le
2020-06-14 15:08:49
原创 leetcode【229】【tag Array】Majority Element II【c++版本，時間O(n)超越76%】
問題描述： Given an integer array of size n, find all elements that appear more than ⌊ n/3 ⌋ times. Note: The algorithm shou
2020-06-10 21:19:41
原创 leetcode【238】【tag Array】Product of Array Except Self【c++版本，多種解法】
問題描述： Given an array nums of n integers where n > 1, return an array output such that output[i] is equal to the produc
2020-06-10 21:19:41
原创 leetcode【228】【tag Array】Summary Ranges【c++版本，時間100%，有截圖】
問題描述： Given a sorted integer array without duplicates, return the summary of its ranges. Example 1: Input: [0,1,2,4,5
2020-06-10 01:37:26