摘要：
#include <iostream> #include <cstring> #include <algorithm> using namespace std; const int N = 500; int n, m, g[N][N], d[N]; bool st[N]; int dijkstra( 阅读全文
摘要：
#include <iostream> #include <algorithm> #include <cstring> using namespace std; const int N = 100010, M = 2 * N; int n, ans = N; int h[N], e[M], ne[M 阅读全文