Submission #304999

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
304999	2020-09-22 11:17:49	mhy908	Stations (IOI20_stations)	C++14	100 / 100	1228 ms	1048 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#define mp make_pair
#define eb emplace_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(all(x))
#define press(x) x.erase(unique(all(x)), x.end());
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
typedef pair<LL, LL> pll;
const int INF=1e9;
const LL LLINF=1e18;
int n, re;
vector<int> link[1010], lab, id;
void dfs(int num, int par, int d){
    re++;
    if(d)lab[num-1]=re;
    for(auto i:link[num]){
        if(i==par)continue;
        dfs(i, num, (d+1)%2);
    }
    if(!d)lab[num-1]=re;
    re++;
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61