floyd跑出最短路后按a顺序相加即可 #include<bits/stdc++.h>#define rep(i,x,y) for(register int i =x ;i <= y; ++ i)#define repd(i,x,y) for(register int i = x; i >= y ; -- i)using namespace std;template<typename T
2019独角兽企业重金招聘Python工程师标准>>> 【问题描述】 Background In one of the countries of Caribbean basin all decisions were accepted by the simple majority of votes at the general meeting of citizens (fo