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2016 Multi-University Training Contest 1 A
题意要求跑最小生成树,然后求出任意两点距离的期望。 做法是用Kruskal算法并用前向星存最小生成树,然后用dfs得出期望。 代码 ...
分类:其他好文   时间:2018-06-09 00:00:19    阅读次数:237
2016 Multi-University Training Contest 1 D HDU 5762 GCD
题意:给你n个数,然后m个询问,每个询问两个数字l,r,输出x,y,x=gcd(al,,al+1,...,ar),y表示有多少组l,r使得gcd(al,,al+1,...,ar)=x 思路:x很容易求,直接用线段树即可,求y需要预处理一下,n个数求得的gcd的种类数最多是log2n个,可以用map存 ...
分类:其他好文   时间:2018-05-29 01:41:55    阅读次数:154
2017 Multi-University Training Contest - Team 9 1005&&HDU 6165 FFF at Valentine【强联通缩点+拓扑排序】
FFF at Valentine Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1060 Accepted Submission(s): 506 ...
分类:移动开发   时间:2017-09-02 19:10:08    阅读次数:269
HDU 6170 - Two strings | 2017 ZJUT Multi-University Training 9
/* HDU 6170 - Two strings [ DP ] | 2017 ZJUT Multi-University Training 9 题意: 定义*可以匹配任意长度,.可以匹配任意字符,问两串是否匹配 分析: dp[i][j] 代表B[i] 到 A[j]全部匹配 然后根据三种匹配类型分类... ...
分类:其他好文   时间:2017-08-24 00:08:39    阅读次数:268
HDU 6168 - Numbers | 2017 ZJUT Multi-University Training 9
/* HDU 6168 - Numbers [ 思维 ] | 2017 ZJUT Multi-University Training 9 题意: .... 分析: 全放入multiset 从小到大,慢慢筛 */ #include using namespace std; const int N = ... ...
分类:其他好文   时间:2017-08-24 00:04:21    阅读次数:122
HDU 6121 Build a tree —— 2017 Multi-University Training 7
HazelFan wants to build a rooted tree. The tree has nn nodes labeled 0 to n?1, and the father of the node labeled i is the node labeled . HazelFan won ...
分类:其他好文   时间:2017-08-22 19:49:41    阅读次数:136
HDU 6090 Rikka with Graph —— 2017 Multi-University Training 5
Rikka with Graph Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Problem Description As we know, Rikka is poor at mat ...
分类:其他好文   时间:2017-08-09 10:02:51    阅读次数:125
HDU 6073 Matching In Multiplication —— 2017 Multi-University Training 4
Matching In Multiplication Time Limit: 6000/3000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 1389 Accepted Submis ...
分类:其他好文   时间:2017-08-06 21:47:23    阅读次数:137
HDU 6058 Kanade's sum —— 2017 Multi-University Training 3
Kanade's sum Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 2512 Accepted Submission(s): 1045 Pr ...
分类:其他好文   时间:2017-08-05 20:29:54    阅读次数:157
HDU 6069 Counting Divisors —— 2017 Multi-University Training 4
Counting Divisors Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 2599 Accepted Submission(s): ...
分类:其他好文   时间:2017-08-05 20:27:33    阅读次数:166
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