제출 #700873

#제출 시각UTC-0아이디문제언어결과실행 시간메모리
7008732023-02-19 09:46:01kusmetliqRace (IOI11_race)C++14
100 / 100
806 ms38316 KiB
#include<bits/stdc++.h>
using namespace std;
const int maxN=200005;
const long long big=100000000000000;
long long k;
long long minans=INT_MAX;
vector<int>a[maxN];
int sus[2*maxN],dist[2*maxN];
long long path[1000001];
bool used[maxN];
int sz[maxN];
long long min(long long a,long long b) {
return (a<b?a:b);
}
int upd_sz(int n,int parent=-1) {
sz[n]=1;
for(int ii:a[n]) {
int i=sus[ii];
if(i!=parent && used[i]==0)sz[n]+=upd_sz(i,n);
}
return sz[n];
}
int find_cen(int n,int siz,int parent=-1) {
for(int ii:a[n]) {
int i=sus[ii];
 
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