제출 #1271705

#제출 시각아이디문제언어결과실행 시간메모리
1271705vtnooTowns (IOI15_towns)C++20
0 / 100
8 ms328 KiB
#include "towns.h" #include <bits/stdc++.h> using namespace std; int hubDistance(int N, int sub) { vector<int> q(N); for(int i=1;i<N;i++){ q[i]=getDistance(0,i); } int a=*max_element(q.begin(), q.end()); vector<int> w(N); for(int i=0;i<N;i++){ if(i==a)continue; w[i]=getDistance(a,i); } int b=*max_element(w.begin(), w.end()); vector<int> e(N); // Tengo el diametro, ahora necesito computar para cada nodo su distancia a uno de ellos for(int i=0;i<N;i++){ if(i==b)continue; e[i]=getDistance(b,i); } vector<int> r(N); for(int i=0;i<N;i++){ if(i==a||i==b)continue; int d1=((e[a]+e[i])-w[i])/2; int d2=((e[a]+w[i])-e[i])/2; r[i]=max(d1, d2); } return *min_element(r.begin(), r.end()); }
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