Submission #86786

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
86786	2018-11-27 12:38:52	duy_tran	Synchronization (JOI13_synchronization)	C++14	100 / 100	545 ms	24668 KiB

synchronization

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#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
const int maxn=(int)1e5+50;
int n,m,q,in[maxn],out[maxn],pos[maxn],cnt,on[maxn],res[maxn],last[maxn];
vector<int> a[maxn];
pii ed[maxn];
int L[4*maxn],R[4*maxn],maxx[4*maxn],leaf[maxn];
void DFS(int u)
{
    in[u]=++cnt;
    pos[cnt]=u;
    for(int v:a[u])
        if(!in[v])DFS(v);
    out[u]=cnt;
}
void START()
{
    cin>>n>>m>>q;
    for(int i=1;i<n;++i)
    {
        cin>>ed[i].first>>ed[i].second;
        a[ed[i].first].push_back(ed[i].second);
 
 
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• Subtask 1: 10 / 10
• Subtask 2: 20 / 20
• Subtask 3: 10 / 10
• Subtask 4: 20 / 20
• Subtask 5: 40 / 40