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RSS订阅原创 [contest 111]943. Find the Shortest Superstring
Given an array A of strings, find any smallest string that contains each string in A as a substring.We may assume that no string in A is substring of another string in A.Example 1:Input: [“alex”,“l...
2018-11-20 00:02:00
199
原创 leetcode 108
Unique Email Addresses用set点忽略，+后面忽略，@之后保存class Solution {public: int numUniqueEmails(vector<string>& emails) { set<string> res; for(int i=0;i&a
2018-10-30 22:31:39
162
原创 Leetcode107！都107了都
Leetcode107！都107了都Long Pressed Nameclass Solution {public: bool isLongPressedName(string name, string typed) { int i=0,j=0; while(i<name.size()){ if(name[i]==ty...
2018-10-24 11:24:57
287
原创 leetcode105
1. string 倒序，非字母位置不变；Solution: two pointerclass Solution {public: string reverseOnlyLetters(string S) { int i=0; int j=S.length(); while(i<=j){ if(!isalpha(...
2018-10-09 06:10:10
261
原创 Leetcode: Max Sum of Rectangle No Larger Than K
Given a non-empty 2D matrix matrix and an integer k, find the max sum of a rectangle in the matrix such that its sum is no larger than k.Note:The rectangle inside the matrix must have an area >...
2018-09-25 10:23:27
132
原创 Leetcode: Edit Distance 编辑距离
欢迎讨论～Given two words word1 and word2, find the minimum number of operations required to convert word1 to word2.You have the following 3 operations permitted on a word: Insert a character Dele...
2018-09-23 09:57:13
147
原创 hihocoder 字符消除
C++中#include与#include的区别1. 消除重字，熟悉string类操作#include#includeusing namespace std;string delestr(string s){ string sc; for(int j=0;j if(s[j]!=s[j+1]){ if(j
2017-06-06 09:05:04
361
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