题目连接 http://acm.hdu.edu.cn/showproblem.php?pid=4941 Magical Forest Description There is a forest can be seen as $N * M$ grid. In this forest, there is some magical fruits, These fruits can provide a lot of energy, Each fruit has its location$(X_i, Y_…
http://acm.hdu.edu.cn/showproblem.php?pid=4941 给定N,M和K,表示在一个N*M的棋盘上有K个棋子,给出K个棋子的位置和值,然后是Q次操作,对应的是: 1 a b :交换a和b两行 2 a b : 交换a和b两列 3 a b :查询a b这个位置上棋子的值,没有棋子的话输出0 不能直接模拟,对应行列交换,只需交换map映射值,查询时输出map[x],map[y]上值即可 #include <cstdio> #include <cstdlib&…
Magical Forest Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 134 Accepted Submission(s): 69 Problem Description There is a forest can be seen as N * M grid. In this forest, there is…
Magical Forest Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 724 Accepted Submission(s): 343 Problem Description There is a forest can be seen as N * M grid. In this forest, there is so…
Magical Forest Problem Description There is a forest can be seen as N * M grid. In this forest, there is some magical fruits, These fruits can provide a lot of energy, Each fruit has its location(Xi, Yi) and the energy can be provided Ci. However, th…
Magical Forest Time Limit: 24000/12000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others) Total Submission(s): 135 Accepted Submission(s): 69 Problem Description There is a forest can be seen as N * M grid. In this forest, there is so…
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;…