Submission #401664

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
401664	2021-05-10 16:21:48	dxz05	Stations (IOI20_stations)	C++14	76 / 100	1115 ms	836 KiB

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1011;
vector<int> g[MAXN];
int ID[MAXN], tin[MAXN], tout[MAXN], timer = 0;
void dfs(int v, int p, int dep){
    tin[v] = timer++;
    for (int u : g[v]){
        if (u != p) dfs(u, v, dep + 1);
    }
    tout[v] = timer++;
    ID[v] = (dep & 1 ? tin[v] : tout[v]);
}
bool line = true, binary = true;
vector<int> label(int n, int k, vector<int> U, vector<int> V) {
    for (int i = 0; i < n; i++) g[i].clear();
    timer = 0;
    for (int i = 0; i < n - 1; i++){
        g[U[i]].push_back(V[i]);
        g[V[i]].push_back(U[i]);
    }
 
 
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• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 50 / 61