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[LeetCode] Multiply Strings 字符串相乘
Given two numbers represented as strings, return multiplication of the numbers as a string.Note: The numbers can be arbitrarily large and are non-nega...
分类:其他好文   时间:2015-04-06 07:38:38    阅读次数:146
[leetcode] Divide Two Integers
Divide Two IntegersDivide two integers without using multiplication, division and mod operator.If it is overflow, return MAX_INT.思路:类似二分查找算法,只不过我们做的是对...
分类:其他好文   时间:2015-04-02 13:10:11    阅读次数:114
Sicily 1779. Fibonacci Sequence Multiplication
1779. Fibonacci Sequence Multiplication Constraints Time Limit: 1 secs, Memory Limit: 63.9990234375 MB Description Maybe all of you are familiar with Fibonacci sequence. Now you are ...
分类:其他好文   时间:2015-03-31 09:02:49    阅读次数:221
LeetCode-Multiply Strings实现大数的乘法
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. 题目当中主要是需要两个大数的乘法,一般大数都是用字符串进行保存 代码比较...
分类:其他好文   时间:2015-03-29 19:35:52    阅读次数:133
Sicily 1305. Who’s Winner?
1305. Who’s Winner? Constraints Time Limit: 1 secs, Memory Limit: 32 MB Description Nic and Susan play the game of multiplication by multiplying an integer p by one of the numbers 2 ...
分类:Windows程序   时间:2015-03-29 13:46:09    阅读次数:223
高精度运算专题3-乘法运算(The multiplication operation)
这个专题呢,我就来讲讲高精度的乘法,下面是三个计算乘法的函数,第一个函数是char类型的,要对字符串进行数字转换,而第二个是两个int类型的数组,不用转换成数字,第三个则更为优化,用a数组-b数组放回数组a里面函数1思路:要先把char类型的转换成int类型的数,直接每个数-‘0’就可以实现把cha...
分类:其他好文   时间:2015-03-28 21:42:19    阅读次数:136
ASC1 D Matrix Multiplication
题意:给你一个联接矩阵,问你这个 它的转置矩阵x原矩阵 的 和是多少。解题思路:最后可以发现就是这些点的度的平方的和。解题代码: 1 // File Name: a.cpp 2 // Author: darkdream 3 // Created Time: 2015年03月21日 星期六 14时0....
分类:其他好文   时间:2015-03-22 00:13:38    阅读次数:127
SICP:反复用加法来实现乘法 1.17
#lang racket(define (fast-multiplication a b n);a*n (cond ((= n 0) b);n==0 ((even? n) (fast-multiplication (double a) b ...
分类:其他好文   时间:2015-03-21 15:22:18    阅读次数:159
poj 1060 Modular multiplication of polynomials
方法(无证明,lz弱渣请谅解):以样例来讲:(x^6 + x^4 + x^2 + x + 1) (x^7 + x + 1) modulo (x^8 + x^4 + x^3 + x + 1) = x^7 + x^6 + 1 。(x^6 + x^4 + x^2 + x + 1) (x^7 + x + 1...
分类:其他好文   时间:2015-03-19 23:23:06    阅读次数:150
Divide Two Integers
https://leetcode.com/problems/divide-two-integers/Divide two integers without using multiplication, division and mod operator.If it is overflow, retur...
分类:其他好文   时间:2015-03-14 15:13:58    阅读次数:117
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