写个类,以后到这里找就行。^_^
const int M = 5024; struct node { int to; int val; int next; } g[N<<1]; class Graph { public: int head[M], t; void init() { CL(head, 0XFF); t = 0; } void add(int u, int v, int w) { g[t].to = v; g[t].val = w; g[t].next = head[u]; head[u] = t++; } } G;