简单题,不过数据中好像存在有环的链表...... #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<map> #include<queue> #include<vector> using namespace std; +; struct Node { int id;…

二次探测法.表示第一次听说这东西... #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<algorithm> using namespace std; ; bool fl…

简单贪心.先买性价比高的. #include<cstdio> #include<cstring> #include<cmath> #include<vector> #include<map> #include<stack> #include<queue> #include<string> #include<algorithm> using namespace std; ; +; int n; str…

scanf读入居然会超时...用了一下输入挂才AC... #include<cstdio> #include<cstring> #include<cmath> #include<string> #include<queue> #include<iostream> #include<algorithm> using namespace std; +; int a[maxn],b[maxn]; int n1,n2; inlin…

撸完这题,感觉被掏空. 由于进制可能大的飞起..所以需要开longlong存,答案可以二分得到. 进制很大,导致转换成10进制的时候可能爆long long,在二分的时候,如果溢出了,那么上界=mid-1 #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> using namespace std; ],t[]; int…

最短路+dfs 先找出可能在最短路上的边,这些边会构成一个DAG,然后在这个DAG上dfs一次就可以得到两个答案了. 也可以对DAG进行拓扑排序,然后DP求解. #include<iostream> #include<cstring> #include<cmath> #include<algorithm> #include<cstdio> #include<queue> #include<vector> using nam…

As an emergency rescue team leader of a city, you are given a special map of your country. The map shows several scattered cities connected by some roads. Amount of rescue teams in each city and the length of each road between any pair of cities are…

题意: 输入两个单词的起始地址和一个正整数N(<=1e5),然后输入N行数据,每行包括一个五位数的字母地址,字母和下一个字母的地址.输出这两个单词的公共后缀首字母的地址,若无公共后缀则输出-1. AAAAAccepted code: #define HAVE_STRUCT_TIMESPEC #include<bits/stdc++.h> using namespace std; string a1,a2; int n; string s,nex; char x; map<strin…

PAT (Advanced Level) Practice 1006 Sign In and Sign Out (25 分) 凌宸1642 题目描述: At the beginning of every day, the first person who signs in the computer room will unlock the door, and the last one who signs out will lock the door. Given the records of s…

PAT (Advanced Level) Practice 1002 A+B for Polynomials (25 分) 凌宸1642 题目描述: This time, you are supposed to find A+B where A and B are two polynomials. 译:这一次,你要找到 A + B ,其中 A , B 是两个多项式 Input Specification (输入说明): Each input file contains one test case…