제출 #609663

#제출 시각아이디문제언어결과실행 시간메모리
609663daria기지국 (IOI20_stations)C++14
0 / 100
849 ms532 KiB
#include"bits/stdc++.h" #include "stations.h" #include <vector> using namespace std; #define ll int const ll N = 1000; ll t = 0; vector<ll> adj[N], lb(N, -1); void dfs(ll s){ if(lb[s]>=0) return; lb[s] = t++; for(auto u : adj[s]) dfs(u); lb[s] += 2*N*(t++); } vector<int> label(int n, int k, std::vector<int> u, std::vector<int> v) { for(ll i=0; i<n-1; ++i){ adj[u[i]].push_back(v[i]); adj[v[i]].push_back(u[i]); } dfs(0); vector<int> r(n); for(ll i=0; i<n; ++i) r[i] = lb[i]; return r; } int find_next_station(int s, int t, std::vector<int> c) { ll x1 = s%(2*N); ll y1 = s/(2*N); ll x2 = t%(2*N); ll y2 = t/(2*N); //tempi di entrata e uscita dei target if(x1 > y2 || y1 < x2){ for(auto u : c){ ll x3 = u%(2*N); ll y3 = u/(2*N); if(x3 < x1 && y1 < y3) return u; } } for(auto u : c){ ll x3 = u%(2*N); ll y3 = u/(2*N); if(x3 <= x2 && y2 <= y3) return u; } return c[0]; }
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...