Submission #307052

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
307052	2020-09-26 21:19:10	VEGAnn	Stations (IOI20_stations)	C++14	100 / 100	1101 ms	1296 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
#define PB push_back
#define sz(x) ((int)x.size())
#define all(x) x.begin(),x.end()
using namespace std;
vector<int> g[1000];
int tin[1000], tout[1000], tt = 0, ht[1000];
void dfs(int v, int p, bool tp){
    tin[v] = tt;
    if (!tp) tt++;
    ht[v] = tp;
    for (int u : g[v]){
        if (u == p) continue;
        dfs(u, v, tp ^ 1);
    }
    tout[v] = tt;
    if (tp) tt++;
}
std::vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) {
    for (int i = 0; i < n; i++)
        g[i].clear();
 
 
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Compilation message (stderr)

stations.cpp: In function 'int find_next_station(int, int, std::vector<int>)':
stations.cpp:87:1: warning: control reaches end of non-void function [-Wreturn-type]
   87 | }
      | ^

• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61