Navigation Nightmare Description Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usually numbered/labeled 1..N. A series of M (1 <= M < 40,000) vertical and horizontal roads each of varying lengths (1 <= length <= 100…
任意门:http://poj.org/problem?id=1984 Navigation Nightmare Time Limit: 2000MS Memory Limit: 30000K Total Submissions: 7783 Accepted: 2801 Case Time Limit: 1000MS Description Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usuall…
hash一下然后用带权并查集做模2下的前缀和 #include<iostream> #include<cstdio> #include<map> #include<algorithm> using namespace std; const int N=100005; int n,m,f[N],s[N],ans,g[N],tot,has,x[N],y[N],z[N]; char o[10]; map<int,int>mp; int read() {…
Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 41463 Accepted: 12753 Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Drago…
Find them, Catch them Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 31102 Accepted: 9583 Description The police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon…
Cube Stacking Description Farmer John and Betsy are playing a game with N (1 <= N <= 30,000)identical cubes labeled 1 through N. They start with N stacks, each containing a single cube. Farmer John asks Betsy to perform P (1<= P <= 100,000) op…
