Submission #772453

#	Time	Username	Problem	Language	Result	Execution time	Memory
772453		SanguineChameleon	Stations (IOI20_stations)	C++17	8 / 100	781 ms	580 KiB

stations

#include "stations.h"
#include <bits/stdc++.h>
using namespace std;

const int maxn = 1e3 + 20;
vector<int> adj[maxn];
int tin[maxn];
int tout[maxn];
int dfs_t;

void dfs(int u, int p) {
	tin[u] = ++dfs_t;
	for (auto v: adj[u]) {
		if (v != p) {
			dfs(v, u);
		}
	}
	tout[u] = dfs_t;
}

vector<int> label(int n, int k, vector<int> u, vector<int> v) {
	vector<int> labels(n);
	for (int i = 0; i < n; i++) {
		labels[i] = i;
	}
	return labels;
}

int find_next_station(int s, int t, vector<int> c) {
	while (t != 0) {
		if ((t - 1) / 2 == s) {
			return t;
		}
		t = (t - 1) / 2;
	}
	return (s - 1) / 2;
}

• Subtask 1: 0 / 5
• Subtask 2: 8 / 8
• Subtask 3: 0 / 16
• Subtask 4: 0 / 10
• Subtask 5: 0 / 61