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24.Swap Nodes in Pairs (List; Two-Pointers)
Given a linked list, swap every two adjacent nodes and return its head.For example,Given1->2->3->4, you should return the list as2->1->4->3.Your algor...
分类:其他好文   时间:2015-08-12 23:10:02    阅读次数:92
HDU 1394 Minimum Inversion Number (线段树,暴力)
DescriptionThe inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisfy i aj.For a given sequence of ....
分类:其他好文   时间:2015-08-11 18:05:38    阅读次数:104
Generate Parentheses
1. Problem给定n对括号,生成所有可能的括号组合Given n pairs of parentheses, write a function to generate all combinations of well-formed parentheses.For example, given ...
分类:其他好文   时间:2015-08-10 21:47:01    阅读次数:100
LeetCode(24) Swap Nodes in Pairs
题目Given a linked list, swap every two adjacent nodes and return its head.For example, Given 1->2->3->4, you should return the list as 2->1->4->3.Your algorithm should use only constant space. You may...
分类:其他好文   时间:2015-08-10 20:06:13    阅读次数:117
HDU 1394 Minimum Inversion Number
Minimum Inversion NumberProblem DescriptionThe inversion number of a given number sequence a1, a2, ..., an is the number of pairs (ai, aj) that satisf...
分类:其他好文   时间:2015-08-09 18:23:51    阅读次数:119
hdu 1394 Minimum Inversion Number
hdu 1394 的传送门Problem Description The inversion number of a given number sequence a1, a2, …, an is the number of pairs (ai, aj) that satisfy i aj.For a given sequence of numbers a1, a2, …,...
分类:其他好文   时间:2015-08-08 12:10:17    阅读次数:130
LightOJ 1236 - Pairs Forming LCM (LCM·唯一分解)
题意  给你一个数n  求满足lcm(a, b) == n, a 容易知道 n 是a, b的所有素因子取在a, b中较大指数的积 先将n分解为素数指数积的形式  n = π(pi^ei)    那么对于每个素因子pi  pi在a,b中的指数ai, bi 至少有一个等于pi, 另一个小于等于pi 先不考虑a, b的大小  对于每个素因子pi 1. 在a中的指数 ai == ei   那么 ...
分类:其他好文   时间:2015-08-07 09:36:35    阅读次数:151
Program A - 暴力求解
DescriptionWrite a program that finds and displays all pairs of 5-digit numbers that between them use the digits 0 through 9 once each, such that the ...
分类:其他好文   时间:2015-08-02 21:20:10    阅读次数:235
uva 725 Division(暴力枚举) 解题心得
原题:DescriptionWrite a program that finds and displays all pairs of 5-digit numbers that between them use the digits0through9once each, such that the f...
分类:其他好文   时间:2015-08-02 19:42:48    阅读次数:301
A题:uva725暴力求解
Description:Write a program that finds and displays all pairs of 5-digit numbers that between them use the digits0through9once each, such that the fir...
分类:其他好文   时间:2015-08-02 16:27:59    阅读次数:160
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