Tag: problem: (F) Expected diameter of a tree Solution In C/C++

C/C++

Codeforces Round #411 (Div. 2), problem: (F) Expected diameter of a tree Solution In C/C++

#include <set> #include <vector> #include <cstdio> #include <cstring> #include <algorithm> using namespace std; const int N=200050; vector<int>vec,dis,sum; struct Node{int x,y;double ans;}JY; bool operator<(Node a,Node b){if(a.x!=b.x)return a.x<b.x;return...
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