Multiplying by Rotation
Warning: Not all numbers in this problem are decimal numbers!
Multiplication of natural numbers in general is a cumbersome operation. In some cases howev...
分类：
其他好文 时间：
2015-01-18 17:13:10
阅读次数：
147
参考：http://www.cnblogs.com/springfor/p/3871008.htmlDivide two integers without using multiplication, division and mod operator.If it is overflow, retur...
分类：
其他好文 时间：
2015-01-16 16:26:25
阅读次数：
152
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
class Solution {
public:
string mul...
分类：
其他好文 时间：
2015-01-16 11:25:18
阅读次数：
165
另类乘法
时间限制：3000 ms | 内存限制：65535 KB
难度：1
描述
Bessie is tired of multiplying pairs of numbers the usual way, so she invented her own style of multiplication. In her style, A*B is equal t...
分类：
其他好文 时间：
2015-01-15 22:07:02
阅读次数：
123
Divide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT. 1 public class Solution { 2 public ...
分类：
其他好文 时间：
2015-01-12 00:18:28
阅读次数：
293
Multiply StringsGiven two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large ...
分类：
其他好文 时间：
2015-01-11 21:35:00
阅读次数：
219
Divide two integers without using multiplication, division and mod operator.
If it is overflow, return MAX_INT.
时间复杂度 log（n）
public class Solution {
public int divide(int dividend, int divi...
分类：
其他好文 时间：
2015-01-09 22:22:15
阅读次数：
248
点击打开链接
题目意思是求矩阵相乘的运算次数，
设A size为n*s,B size为s*m
那么A*B运算量为n*m*s.
注意括号里面的优先级，并且依次累加即可，并且没有不合法的序列。
思路是先对输入的n个矩阵编号按照字典序排序，因为每次两个矩阵相乘会得到一个新的矩阵，编号可以设置成在n的编号加1，并且重新压入栈中。
#include
#include
#include ...
分类：
其他好文 时间：
2015-01-07 20:54:25
阅读次数：
182
题目：
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
Answer 1:
基础法
大整数...
分类：
编程语言 时间：
2015-01-06 10:11:54
阅读次数：
222
【题目】
Given two numbers represented as strings, return multiplication of the numbers as a string.
Note: The numbers can be arbitrarily large and are non-negative.
【解析】
题意：两个字符串表示的非负整数相乘，用字符串的...
分类：
其他好文 时间：
2014-12-23 12:32:31
阅读次数：
174
