Submission #316208

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
316208	2020-10-25 17:09:33	ScarletS	Stations (IOI20_stations)	C++17	100 / 100	1004 ms	1128 KiB

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#include <bits/stdc++.h>
#define pii pair<int,int>
#define f first
#define s second
using namespace std;
int t;
vector<int> edges[1000];
vector<pii> temp;
void dfs(int c, int p, bool h)
{
    ++t;
    if (!h)
        temp.push_back({t,c});
    for (int i : edges[c])
        if (i!=p)
            dfs(i,c,h^1);
    ++t;
    if (h)
        temp.push_back({t,c});    
}
vector<int> label(int n, int k, vector<int> u, vector<int> v)
{
    vector<int> labels(n);
    for (int i=0;i<n;++i)
        edges[i].clear();
    for (int i=0;i<n-1;++i)
    {
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61