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hdu 4920 Matrix multiplication bitset优化常数
Matrix multiplication Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Problem Description Given two matrices A and ...
分类:其他好文   时间:2017-01-03 13:34:45    阅读次数:214
八数码的八境界 [转载]
八数码的八境界 研究经典问题,空说不好,我们拿出一个实际的题目来演绎。八数码问题在北大在线测评系统中有一个对应的题,题目描述如下: Eight Time Limit: 1000MS Memory Limit: 65536K Special Judge Description The 15-puzzl ...
分类:其他好文   时间:2016-12-24 01:10:16    阅读次数:305
Leetcode: Nested List Weight Sum II
Inspired by: https://discuss.leetcode.com/topic/49041/no-depth-variable-no-multiplication Instead of multiplying by depth, add integers multiple times ...
分类:其他好文   时间:2016-12-15 09:14:29    阅读次数:285
poj1651 Multiplication Puzzle(简单区间dp)
题目链接:http://poj.org/problem?id=1651 题意:一系列的数字,除了头尾不能动,每次取出一个数字,这个数字与左右相邻数字的乘积为其价值, 最后将所有价值加起来,要求最小值。 这题容易会想到贪心就是先把最大的数先取出这样就能满足剩下的总价值尽可能的小,如果出现多个一样 的数 ...
分类:其他好文   时间:2016-12-14 19:11:21    阅读次数:208
Strassen优化矩阵乘法(复杂度O(n^lg7))
按照算法导论写的 还没有测试复杂度到底怎么样 不过这个真的很卡内存,挖个坑,以后写空间优化 还有Matthew Anderson, Siddharth Barman写了一个关于矩阵乘法的论文 《The Coppersmith-Winograd Matrix Multiplication Algori ...
分类:其他好文   时间:2016-12-03 01:32:00    阅读次数:258
poj 1651 区间dp
题目链接:http://poj.org/problem?id=1651 Description The multiplication puzzle is played with a row of cards, each containing a single positive integer. Du ...
分类:其他好文   时间:2016-11-13 22:10:30    阅读次数:227
POJ2505 A multiplication game[博弈论]
A multiplication game Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 6028 Accepted: 3013 Description Stan and Ollie play the game of multi ...
分类:其他好文   时间:2016-11-13 21:51:00    阅读次数:138
Multiplication Table Example
Let’s write a simple application that prompts the user for an integer, multiplies it by ascendingpowers of 2 (from 21 to 210) using bit shifting, and ...
分类:其他好文   时间:2016-10-28 03:21:23    阅读次数:205
LeetCode 43. Multiply Strings
Given two numbers represented as strings, return multiplication of the numbers as a string. Note: The numbers can be arbitrarily large and are non-neg ...
分类:其他好文   时间:2016-10-26 13:50:12    阅读次数:200
POJ 1651 Multiplication Puzzle
Multiplication Puzzle Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 8760 Accepted: 5484 Description The multiplication puzzle is played w ...
分类:其他好文   时间:2016-10-09 13:12:53    阅读次数:153
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