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Roman to Integer
问题:罗马数字变为整数class Solution {public: int romanToInt(string s) { char c[10][10][10]={{"0","I","II","III","IV","V","VI","VII","VIII","IX"},{"0"...
分类:其他好文   时间:2014-08-01 23:01:02    阅读次数:209
#Leet Code# Populating Next Right Pointers in Each Node II
描述:注意需要先self.connect(right)再self.connect(left),否则会有case通不过,原因是左边递归执行时依赖与右边的next已经建立,而先执行connect(left)的话右边还没有完成关系的建立。代码: 1 class Solution: 2 # @par...
分类:其他好文   时间:2014-08-01 19:15:42    阅读次数:223
Spiral Matrix II
这道题实质是用螺旋线的形式遍历二维数组,而且这种遍历方式有很强的规律性,从最外层开始一直到最里层,而且每层都按顺时针的方向遍历。根据这种规律性,我们可以用两层循环,在遍历的同时对二维数组对应元素重新赋值,第一层循环是层数遍历,第二层循环是每一层元素遍历(值得注意的一点是顺时针遍历)。class So...
分类:其他好文   时间:2014-08-01 18:54:02    阅读次数:217
Leetcode: N-Queens II C++
class Solution {public: int totalNQueens(int n) { //initialize chessboard vector> boardconf; vector orig_row; orig_row....
分类:编程语言   时间:2014-08-01 15:46:51    阅读次数:251
LeetCode "Jump Game II"
Greedy, Greedy, Greedy.. It is all about maximum interval update.One trick is, we start looping over each element from the one nearest to end to farth...
分类:其他好文   时间:2014-08-01 13:32:21    阅读次数:283
Integer to Roman
问题:将数字转化为罗马数字分析:将所有的数字打表出来class Solution {public: string intToRoman(int num) { char c[10][10][10]={{"0","I","II","III","IV","V","VI","VII","...
分类:其他好文   时间:2014-08-01 10:32:21    阅读次数:215
Unique Binary Search Trees II leetcode java
题目: Given n, generate all structurally unique BST's (binary search trees) that store values 1...n.For example,Given n = 3, your program should return....
分类:编程语言   时间:2014-08-01 04:53:31    阅读次数:279
nios ii 建立库文件,并在新工程中被调用
选择Nios II Library选择location,这样的话库文件时独立的,而如果选择 Make library depend on a BSP的话会依赖BSP,如果BSP被删除了那新工程编译时会报错。添加c源文件和h头文件然后build project然后新建工程:file->Nios II ...
分类:移动开发   时间:2014-07-31 16:17:47    阅读次数:342
LeetCode--Single Number II
思路:统计每位出现的次数,mod3;对于k同样适用 1 class Solution { 2 public: 3 int singleNumber(int A[], int n) { 4 int a[32] = {0}; 5 int i = 0; 6 ...
分类:其他好文   时间:2014-07-31 13:14:46    阅读次数:140
quartus II Warning 好的时序是设计出来的,不是约束出来的
Warning (15714): Some pins have incomplete I/O assignments. Refer to the I/O Assignment Warnings report for details解释:后续高级的芯片的 drive strength 和 slew r...
分类:其他好文   时间:2014-07-31 12:22:26    阅读次数:320
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