Problem Description Given two sequences of numbers : a[1], a[2], ...... , a[N], and b[1], b[2], ...... , b[M] (1 <= M <= 10000, 1 <= N <= 1000000). Yo ...
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其他好文 时间:
2016-05-13 12:34:49
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244
这道题是 BestCoder
Round #82 (div.2) 的第二道题,题意很简单,首先定义一个幸运数的概念。幸运数就是至少包含一个4或者7,并且4的个数和7的个数必须相等,例如4、7,4477.....给你一个数,要你找到最小。做比赛的时候,我的同学一上来就模拟结果可想而知,我也想了下模拟,发现很容易漏掉一些情况,想到了暴力,
1...
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其他好文 时间:
2016-05-13 04:36:22
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169
传送门:http://acm.hdu.edu.cn/showproblem.php?pid=5274
题意很简单,输入以后,查询的时候
0 x y,是把x点改成y。
1 x y,是查询[x,y]中,数字出现的次数是否都是偶数,出现奇数的数字<=1。
都是偶数的话,输出-1,有奇数的话,输出奇数的权值。
思路:这题也是一个裸题,但是这题的线段树维护的比较巧妙,因为一个数异或自己偶数次就是0,...
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其他好文 时间:
2016-05-13 04:06:36
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206
#include
#include
#include
using namespace std;
/*
Write a program that takes an input a set of sorted sequences and compute the union
of these sequences as a sorted sequence.
For example:...
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其他好文 时间:
2016-05-13 02:20:37
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127
Description
Urej loves to play various types of dull games. He usually asks other people to play with him. He says that playing those games can show his extraordinary wit. Recently Urej takes a great...
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其他好文 时间:
2016-05-13 01:47:55
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141
链接:戳这里
ztr loves substring
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Problem Description
ztr love reserach substring.Today ,he has n string.Now ...
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其他好文 时间:
2016-05-13 00:59:17
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270
1584 - Circular Sequence
Time limit: 3.000 seconds
Some DNA sequences exist in circular forms as in the following figure, which shows a circular sequence ``CGAGTCAGCT", that is, the last symbol ``...
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其他好文 时间:
2016-05-13 00:24:17
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208
[1667] Hkhv Loves Sequences
时间限制: 1000 ms 内存限制: 65535 K
问题描述
Hkhv has a sequence a, consisting of n integers.
We'll call a sequence ai,ai+1,...,aj (1
Your task is to find the longest subs...
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其他好文 时间:
2016-05-12 21:02:31
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201
ztr loves lucky numbers
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)
Total Submission(s): 918 Accepted Submission(s): 389
Problem Description
ztr love...
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其他好文 时间:
2016-05-12 16:07:32
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175
HDU 5658 CA Loves Palindromic(回文树)...
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其他好文 时间:
2016-05-12 15:50:22
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224