Shortest Pathhttps://ac.nowcoder.com/acm/problem/13886 // 第一篇博客有点小紧张 #include <bits/stdc++.h> using namespace std; #define js ios::sync_with_stdio(false);cin.tie(0); cout.tie(0) typedef long long ll; inline int read() { int s = 0, w = 1; char ch = getchar(); while (ch < 48 || ch &g...