Code Notes

摘要： Implement wildcard pattern matching with support for'?'and'*'.'?' Matches any single character.'*' Matches any sequence of characters (including the e... 阅读全文

摘要： Implementatoito convert a string to an integer.Hint:Carefully consider all possible input cases. If you want a challenge, please do not see below and ... 阅读全文

摘要： Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4],the... 阅读全文

摘要： A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...'Z' -> 26Given an encoded message conta... 阅读全文

摘要： Divide two integers without using multiplication, division and mod operator.分析：不能用乘、除、取模运算，我们可以用的运算还有加、减、位运算。一个比较简单的想法是在dividend上不断减去divisor，知道余数小于div... 阅读全文

摘要： Given an arraySofnintegers, are there elementsa,b,cinSsuch thata+b+c= 0? Find all unique triplets in the array which gives the sum of zero.Note:Elemen... 阅读全文

摘要： There are two sorted arrays A and B of size m and n respectively. Find the median of the two sorted arrays. The overall run time complexity should be ... 阅读全文

摘要： 1. No const constructorUnlike other member functions, constructors may not be declared as const . When we create a const object of a class type, the o... 阅读全文

摘要： You are given a string,S, and a list of words,L, that are all of the same length. Find all starting indices of substring(s) in S that is a concatenati... 阅读全文

摘要： 1 Local static variablesLocal static variables are not destroyed when the function ends; they are destroyed when the program terminates.2. Function pa... 阅读全文