摘要:
题意:给一个有向图,告诉起点和终点,求第K短路解法:dijkstra+A*,正反两个邻接表总结:做完这个题学会了dijkstra算法,对A*有了一点了解PS.优先队列里的比较函数变量写错了,MLE了3天,恶心死我了。膜拜无语神牛,几分钟就指导我搞定了/*Problem: 2449 User: fancy081Memory: 6472K Time: 250MSLanguage: C++ Result: Accepted*/#include<cstdio>#include<queue>#include<cstring>using namespace std;co 阅读全文