摘要：
无优化：500ms deque优化：400ms include include include include include using namespace std; const int maxn = 550000; const int inf = 0x7fffffff; int dis[maxn 阅读全文
摘要：
题目链接：https://www.luogu.org/problemnew/show/P2939 本来说是双倍经验题，跟飞行路线一样的，结果我飞行路线拿deque优化SPFA过了这里过不了了。 所以多学一种优先队列优化。 include include include include include 阅读全文