题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=5326 Work Description It’s an interesting experience to move from ICPC to work, end my college life and start a brand new journey in company.As is known to all, every stuff in a company has a title, ever…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5326 Work Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 583 Accepted Submission(s): 392 Problem Description It’s an interesting experience to…
题意:给一棵树,每个结点的子树下的结点都是它的统治对象,问有多少个统治对象数目为k的结点? 思路:每个结点都设一个cnt来记数,只要将每个结点往上回溯,直到树根,经过的每个结点都将计数器加1.最后再扫一遍,将cnt等于k的结点统计一下. #include <bits/stdc++.h> #define LL long long #define pii pair<int,int> #define INF 0x7f7f7f7f using namespace std; ; int cn…
Work Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 618 Accepted Submission(s): 412 Problem Description It's an interesting experience to move from ICPC to work, end my college life and sta…
Problem Description It’s an interesting experience to move from ICPC to work, end my college life and start a brand new journey in company.As is known to all, every stuff in a company has a title, everyone except the boss has a direct leader, and all…
Work Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 306 Accepted Submission(s): 217 Problem Description It’s an interesting experience to move from ICPC to work, end my college life and star…
K - Work Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 5326 Appoint description: System Crawler (2015-07-28) Description It's an interesting experience to move from ICPC to work, end my coll…
题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5326 #include<stdio.h> #include<cstring> ; int n, k; int a[MAX][MAX]; int b[MAX]; void dfs(int i, int j){ ; p < n; ++p){ if( a[j][p] ){ b[i]++; dfs(i,p); } } } int main(){ freopen("1011.in…
传送门:http://acm.hdu.edu.cn/showproblem.php?pid=1083 Courses Time Limit: 20000/10000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 11353 Accepted Submission(s): 5326 Problem Description Consider a group of N stude…
Saving HDU Time Limit: 3000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 7194 Accepted Submission(s): 3345 Problem Description 话说上回讲到海东集团面临内外交困,公司的元老也只剩下XHD夫妇二人了.显然,作为多年拼搏的商人,XHD不会坐以待毙的. 一天,当他正在苦思冥想解困良策的…
http://acm.hdu.edu.cn/showproblem.php?pid=3037 Lucas定理模板. 现在才写,noip滚粗前兆QAQ #include<cstdio> #include<cstring> #include<algorithm> using namespace std; typedef long long ll; int jc[100003]; int p; int ipow(int x, int b) { ll t = 1, w = x;…
Special equations Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4569 Description Let f(x) = a nx n +...+ a 1x +a 0, in which a i (0 <= i <= n) are all known integers. We call f(x) 0 (mod…
The kth great number Time Limit:1000MS Memory Limit:65768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 4006 Description Xiao Ming and Xiao Bao are playing a simple Numbers game. In a round Xiao Ming can choose to write down a nu…
How many integers can you find Time Limit:5000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1796 Description Now you get a number N, and a M-integers set, you should find out how many integers which are sm…
hdu5901题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5901 code vs 3223题目链接:http://codevs.cn/problem/3223/ 思路:主要是用了一个Meisell-Lehmer算法模板,复杂度O(n^(2/3)).讲道理,我不是很懂(瞎说什么大实话....),下面输出请自己改 #include<bits/stdc++.h> using namespace std; typedef long long LL;…