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HDU

ACM _线段树(4) ACM-搜索(2) ACM_DP(5) ACM_fft(1) ACM_LCA(1) ACM_RMQ(1) ACM_二分图(1) ACM_后缀数组(1) ACM_字典树(1) ACM_思想(1) ACM_最大团(1) ACM_最短路径(2) ACM_树链剖分(2) ACM_模拟(1) ACM_矩阵快速幂(1) ACM_计算几何(2) android(1) Codeforces(2) POJ(14) UESTC-CDOJ(2) 其他(3) 未归档(6) 算法(13) 闲来无事(1)

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全部文章 / HDU （共44篇）

HDU6070（分数规划+线段树）

题目链接：HDU6070 题目大意：给你长度为n的序列，求某个区间[l,r]使得区间内的数字种类/区间长度最小输出这个最小值题目思路：对于这种区间最优比率问题（分数规划问题）我们常规的解法是二分答案来求根据题目意思我们二分答案后可以转化成 size(l,r)/(r-l+1...

2017-08-04

0 803

HDU6069（数学）

题目链接：hdu6069 题目大意：给你三个数l,r,k (1≤l≤r≤10^12,r−l≤10^6,1≤k≤10^7)求 : (∑i=lrd(ik))mod998244353 题目思路: 首先我们很好想到的是枚举区间[...

2017-08-04

0 559

HDU2222 -ac自动机

Keywords Search Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 63350 Accepted Submissi...

2017-06-26

0 569

HDU5438-搜索

Ponds Time Limit: 1500/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 4259 Accepted Submission(s): 1233...

2017-05-10

0 420

HDU5437-贪心

Alisha’s Party Time Limit: 3000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 6064 Accepted Submission...

2017-05-10

0 555

HDU5288

OO’s Sequence Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 3800 Accepted Submission(...

2017-04-15

0 417

HDU3966-树链剖分(区间更新，点查询)

Aragorn's Story Time Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 11303 Accepted Submissio...

2017-04-14

0 636

HDU3342-拓扑排序

Legal or Not Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7925 Accepted Submission(s):...

2017-03-04

0 490

HDU1878-欧拉回路

欧拉回路 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 14227 Accepted Submission(s): 5388 ...

2017-03-04

0 513

HDU3062 - 2-sat

Party Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 6168 Accepted Submission(s): 2013 ...

2017-03-04

0 520