严格次短路模板,用两个数组分别维护最短路和次短路,用dijskstra,每次更新的时候先更新最短路再更新次短路 写了spfa版的不知道为啥不对-- #include<iostream> #include<cstdio> #include<queue> using namespace std; const int N=5005,inf=1e9; int n,m,h[N],cnt,d1[N],d2[N]; struct qwe { int ne,to,va; }e[2000…
http://poj.org/problem?id=3463 Sightseeing Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 6420 Accepted: 2270 Description Tour operator Your Personal Holiday organises guided bus trips across the Benelux. Every day the bus moves from…
Sightseeing Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 9247 Accepted: 3242 Description Tour operator Your Personal Holiday organises guided bus trips across the Benelux. Every day the bus moves from one city S to another city F. O…
题目 Tour operator Your Personal Holiday organises guided bus trips across the Benelux. Every day the bus moves from one city S to another city F. On this way, the tourists in the bus can see the sights alongside the route travelled. Moreover, the bus…
C. Recycling Bottles time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output It was recycling day in Kekoland. To celebrate it Adil and Bera went to Central Perk where they can take bottles from t…
