제출 #321991

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
321991	2020-11-13 16:46:03	ThaiBaHung	Railway (BOI17_railway)	C++14	100 / 100	419 ms	35684 KiB

railway

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#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 3;
int n, m, k;
vector < int > adj[N];
struct E
{
    int id;
    int u;
    int v;
};
E edge[N];
int numchain;
int ChainId[N];
int ChainHead[N];
int cha[N];
int P[N][30];
int pos[N];
int dinh[N];
int socon[N];
int dem = 0;
int depth[N];
int vs[N];
pair < int, int > point[N];
int pre[N];
void dfs(int i, int j)
{
    socon[i] = 1;
 
 
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