题目链接  Problems HDOJ上的题目顺序可能和现场比赛的题目顺序不一样, 我这里的是按照HDOJ的题目顺序来写的. Problem 1001 签到 #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for (int i(a); i <= (b); ++i) typedef long long LL; LL n, f[31]; int ans; int main(){ f[1] = 1LL; fo…

Covering Time Limit: 5000/2500 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 187    Accepted Submission(s): 107 Problem Description Bob's school has a big playground, boys and girls always play games here after sch…

transaction transaction transaction Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1496    Accepted Submission(s): 723 Problem Description Kelukin is a businessman. Every day, he travels arou…

2017 ACM ICPC Asia Regional - Daejeon Problem A Broadcast Stations 题目描述:给出一棵树,每一个点有一个辐射距离\(p_i\)(待确定),但\(p_i==0\)的点不能辐射自己,只能由别的点辐射覆盖.求\(p_i\)的和的最小值. Problem B Connect3 题目描述:有一个\(4 \times 4\)的网格,两个人玩游戏,第一个人用黑棋,第二人用白棋.每次选择一列,将棋子扔下去,直到最下一个空的格子.现在给出第一个人下…

2017 ACM - ICPC Asia Ho Chi Minh City Regional Contest A - Arranging Wine 题目描述:有\(R\)个红箱和\(W\)个白箱,将这些箱子分成若干堆,使得每一堆只有一种颜色,然后将这些堆排成一排,使得相邻的堆的颜色不一样,并且每堆红箱的个数不能超过\(d\),问有多少种方案. solution 不会. B - Barcode 题目描述:有一排\(n\)个球,现在要给这\(n\)个球涂成红色或蓝色,使得红色球的个数等于蓝色球的个数…

transaction transaction transaction Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 132768/132768 K (Java/Others)Total Submission(s): 1496    Accepted Submission(s): 723 Problem Description Kelukin is a businessman. Every day, he travels arou…

Apple Time Limit: 1000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others)Total Submission(s): 982    Accepted Submission(s): 323 Problem Description Apple is Taotao's favourite fruit. In his backyard, there are three apple trees with…

题目链接:http://acm.bnu.edu.cn/bnuoj/problem.php?search=2014+ACM-ICPC+Beijing+Invitational+Programming+Contest 总共十道题, 又结束了一场逗比的比赛, 感觉后半场都在梦游,结果被虐了!!!!大家都虐我一万里啊. 正如wushen说的,“那些被虐过的比赛,唯有赛后AK掉来泄愤.” 本弱太菜,还达不到AK的境界,只能搞出这场的8道题. A A Matrix 一个很神奇的题目,全场就坑在这题了,其实应…

CS Course Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 0    Accepted Submission(s): 0 Problem Description Little A has come to college and majored in Computer and Science. Today he has learne…

HDU 6197 array array array 题意 输入n和k,表示输入n个整数和可以擦除的次数k,如果至多擦除k次能是的数组中的序列是不上升或者是不下降序列,就是魔力数组,否则不是. 解题思路 分别求最长不下降和不上升子序列的长度,看不符合要求的数字和k的大小. 这里使用优化后的求解最长不上升和不下降子序列的算法. #include <cstdio> #include <algorithm> using namespace std; ; ; int A[maxn], B[…