#include <cstdio> #include <iostream> #include <algorithm> using namespace std; char maze[1025][1025]; void display(int x, int y, int d, int flag) { if (d == 0) { if (flag) maze[x][y] = 'P'; else maze[x][y] = 'C'; return; } int w = 1 <…

Robots Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 60    Accepted Submission(s): 13 Problem Description QXJ has N robots on the plane, the i-th is at (xi,yi), numbereded 1 to N. Every robot…

题意 description You are given an array a1,a2,...,an(∀i∈[1,n],1≤ai≤n). Initially, each element of the array is **unique**. Moreover, there are m instructions. Each instruction is in one of the following two formats: 1. (1,pos),indicating to change the…

Neko's loop Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 1386 Accepted Submission(s): 316 Problem Description Neko has a loop of size n. The loop has a happy value ai on the i−th(0≤i≤n−1) grid.…

HDU 5832 - A water problem 题意:有两颗星球,一年的长度分别为37天和173天.问第n天时它们是否为新年的第一天. 思路:显然  n 同时被37和173整除时,两种历法都在新年第一天,即 n 是 37*173=10001的倍数. 坑点:n的长度会达到1e7,我以为要用读入挂之类的,手写用getchar()读入却TLE,直接scanf("%s", n)就没事. #include<iostream> #include<cstdio> usi…

赛后总结: T:今天状态一般,甚至有点疲惫.然后12点比赛开始,和队友开始看题,从最后往前面看,发现数学题公式看不懂.然后发现队友已经双开做1001和1006了,我看着1007有人A,开始做1007.看了一会发现这是一个简单签到题,构造一下就完事了.然后一遍A,结束.在他们看1008的时候,我回去看1002和1003,1002的题意没看清楚,队友说的也有点模糊,然后不知道怎么下手.开始看1003,因为A的人真的好多呜呜呜.从AC自动机一直re转为后缀自动机,然后不会.结束了.今天对队伍的贡献太少…

$$2019中国大学生程序设计竞赛(CCPC)\ -\ 网络选拔赛$$ \(A.\hat{} \& \hat{}\) 签到,只把AB都有的位给异或掉 //#pragma comment(linker, "/STACK:1024000000,1024000000") #include<bits/stdc++.h> using namespace std; function<void(void)> ____ = [](){ios_base::sync_wit…

题目:http://acm.hdu.edu.cn/showproblem.php?pid=6705 path Time Limit: 2000/2000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 1250    Accepted Submission(s): 257 Problem Description You have a directed weighted graph…

题目:http://acm.hdu.edu.cn/showproblem.php?pid=6709 Fishing Master Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 631    Accepted Submission(s): 170 Problem Description Heard that eom is a fishin…

传送门 A.^&^ 题意: 找到最小的正数\(C\),满足\((A\ xor\ C)\&(B\ xor \ C)\)最小. 思路: 输出\(A\&B\)即可,特判答案为0的情况. Code #include<bits/stdc++.h> typedef long long ll; typedef unsigned long long ull; typedef double db; const int MAXN = 1e5+5,MAXM = 2e5+5,MOD = 1e9…