제출 #985485

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
985485	2024-05-18 00:48:02	efishel	기지국 (IOI20_stations)	C++17	100 / 100	641 ms	1796 KiB

stations

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#include "stations.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using vll = vector <ll>;
using vi = vector <int>;
static void dfs (ll u, ll par, ll dep, vi &ans, vector <vll> &adj, ll &timer) {
    if (!(dep&1)) ans[u] = timer++;
    for (ll v : adj[u]) {
        if (v == par) continue;
        dfs(v, u, dep+1, ans, adj, timer);
    }
    if (dep&1) ans[u] += timer++;
}
vi label (int n, int k, vi vu, vi vv) {
    vector <vll> adj(n, vll({}));
    for (ll i = 0; i < n-1; i++) {
        adj[vu[i]].push_back(vv[i]);
        adj[vv[i]].push_back(vu[i]);
    }
    vi ans(n);
    ll timer = 0;
    dfs(0, 0, 0, ans, adj, timer);
    return ans;
}
int find_next_station (int s, int t, vi c) {
    bool isTin = s < c[0];
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 8 / 8
• Subtask 3: 16 / 16
• Subtask 4: 10 / 10
• Subtask 5: 61 / 61