码迷,mamicode.com
首页 >  
搜索关键字:letters    ( 1345个结果
poj 1154 LETTERS dfs入门题
//poj 1154 //sep9 #include using namespace std; const int maxR=32; char a[maxR][maxR]; int r,s; int ans=1; int vis[200]; void dfs(int i,int j,int len) { ans=max(ans,len+1); if(i+1<r&&vis[a[i+1][j]]...
分类:其他好文   时间:2015-05-12 01:45:19    阅读次数:148
[LeetCode] Implement Trie (Prefix Tree)
Implement Trie (Prefix Tree) Implement a trie with insert, search, and startsWith methods. Note: You may assume that all inputs are consist of lowercase letters a-z. 解题思路: 前缀树。由于值设定为在a-...
分类:其他好文   时间:2015-05-11 14:45:37    阅读次数:116
C语言学习-12
题目:输入一行字符,分别统计出其中英文字母、空格、数字和其它字符的个数。#includeint main(void){ char c; int letters = 0, space = 0, digit = 0, others = 0; while ((c=getchar())...
分类:编程语言   时间:2015-05-11 14:24:51    阅读次数:103
Leetcode第三题_Longest Substring Without Repeating Characters
Longest Substring Without Repeating Characters Total Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters...
分类:其他好文   时间:2015-05-10 17:24:44    阅读次数:145
LeetCode 17 Letter Combinations of a Phone Number(C,C++,Java,Python)
Problem: Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below. ...
分类:编程语言   时间:2015-05-10 14:18:54    阅读次数:159
LeetCode-79 Word Search
Given a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, where "adjace...
分类:其他好文   时间:2015-05-09 06:30:14    阅读次数:100
Decode Ways
https://leetcode.com/problems/decode-ways/A message containing letters fromA-Zis being encoded to numbers using the following mapping:'A' -> 1'B' -> 2...
分类:其他好文   时间:2015-05-09 01:10:52    阅读次数:103
Implement Trie (Prefix Tree)
Implement a trie with insert, search, and startsWith methods.Note: You may assume that all inputs are consist of lowercase letters a-z.思路: 之前也没有接触过Trie,百科上查了一下,大概就是词源的问题,N个word有公共前缀,只是后缀不同,可以用树表示。 可...
分类:其他好文   时间:2015-05-08 22:05:17    阅读次数:158
Letter Combinations of a Phone Number——解题报告 (回溯法的应用 )
【题目】        Given a digit string, return all possible letter combinations that the number could represent. A mapping of digit to letters (just like on the telephone buttons) is given below....
分类:其他好文   时间:2015-05-08 09:29:30    阅读次数:121
[leetcode] Word Search
Word SearchGiven a 2D board and a word, find if the word exists in the grid.The word can be constructed from letters of sequentially adjacent cell, wh...
分类:其他好文   时间:2015-05-07 14:17:13    阅读次数:106
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!