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搜索关键字:combinatorics    ( 17个结果
Bell(hdu4767+矩阵+中国剩余定理+bell数+Stirling数+欧几里德)
BellTime Limit:3000MSMemory Limit:32768KB64bit IO Format:%I64d & %I64uSubmitStatusPracticeHDU 4767DescriptionWhat? MMM is learning Combinatorics!?Look...
分类:其他好文   时间:2015-05-09 01:09:15    阅读次数:165
acm核心教材
Introduction to Algorithms:算法导论(4个版本)?- Thomas H. Cormen,Charles E. Leiserson 本书是MIT计算机专业的经典算法教材,内容全面,语言通俗,很适合入门者学习 Introductory combinatorics = 组合数学 ...
分类:其他好文   时间:2015-04-02 19:18:56    阅读次数:173
Foundations of Computer Science
1, Iteration, Induction and Recursion2, the running time of program3, combinatorics and probability4, the tree data model5, the list data model6, the ...
分类:其他好文   时间:2015-01-10 16:33:33    阅读次数:133
codeforces Round #261(div2) A解题报告
把这题抽象一下,每个人,在1~K个数中选数字,组成d长度的序列,要求每个序列不能完全相同,数字可以重复选。 进一步抽象一下,每个人的乘坐公交的序列,就是d位k进制数,最多可以分配的序列个数为 k^d。如若 n <= k^d,则从0(k进制),每次+1输出,反之没有答案。 举个例子进一步说说明: n = 8, k = 3, d = 4。 这里的0表示标记为1的公交,1为标记为2的公交,以此类推 第一个人的序列: 0, 0, 0, 0 第二个人的序列: 0, 0, ...
分类:其他好文   时间:2014-10-22 22:02:15    阅读次数:271
UVA - 1069 Always an integer (模拟)
Description Combinatorics is a branch of mathematics chiefly concerned with counting discrete objects. For instance, how many ways can you pick two people out of a crowd of n people? Into how many...
分类:其他好文   时间:2014-08-23 20:24:01    阅读次数:317
LeetCode "Permutation Sequence"
1A! This is actually a basic question in Combinatorics: if at digit[k] = n, it contributes (k-1)! * n to the targeted index.class Solution {public: .....
分类:其他好文   时间:2014-08-19 14:22:04    阅读次数:169
hdu 2583 permutation 动态规划
Problem DescriptionPermutation plays a very important role in Combinatorics. For example ,1 2 3 4 5 and 1 3 5 4 2 are both 5-permutations. As everyone...
分类:其他好文   时间:2014-07-26 14:15:48    阅读次数:237
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