제출 #42448

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
42448		ruhanhabib39	Amusement Park (JOI17_amusement_park)	C++14	10 / 100	32 ms	10140 KiB

Joi

#include "Joi.h"
#include <vector>
#include <algorithm>

using std::vector;
using std::fill;

namespace {
   const int MAXN = 1e4;

   int N;
   long long X;
   vector<int> G[MAXN + 10];
   bool vis[MAXN + 10];

   long long ii = 0;
   void dfs(int u) {
      if(vis[u]) return;

      MessageBoard(u, bool(X & (1LL << ii)));
      vis[u] = true;
      ii = (ii + 1) % 60;
      
      for(int v : G[u]) {
         dfs(v);
      }
   }
};

void Joi(int N_, int M, int A[], int B[], long long X_, int T) {
   N = N_; X = X_;
   fill(G, G + N, vector<int>());
   for(int i = 0; i < M; i++) {
      G[A[i]].push_back(B[i]);
      G[B[i]].push_back(A[i]);
   }
   fill(vis, vis + N, 0); ii = 0;
   dfs(0);
}

Ioi

#include "Ioi.h"
#include <vector>
#include <algorithm>
#include <iostream>
#include <set>

using std::vector;
using std::fill;
using std::set;

namespace {
   const int MAXN = 1e4;

   int N;
   vector<int> G[MAXN + 10];
   int pos[MAXN + 10];
   
   set<int> child[MAXN + 10];
   int par[MAXN + 10];

   long long res[60 + 10];

   int ii = 0;
   void dfs(int u) {
      pos[u] = ii;
      ii = (ii + 1) % 60;
      for(int v : G[u]) {
         if(pos[v] != -1) continue;
         par[v] = u;
         child[u].insert(v);
         dfs(v);
      }
   }

   long long solve(int u) {
      for(int cc = 0; cc < 120 && (child[u].size() || par[u] != -1); cc++) {
         //std::cerr << "par[" << u << "] = " << par[u] << "\n";
         //std::cerr << "child[" << u << "] = [";
         //for(int v : child[u]) std::cerr << " " << v;
         //std::cerr << "]\n";
         if(!child[u].size()) {
            res[pos[par[u]]] = Move(par[u]);
            child[par[u]].erase(u);
            u = par[u];
         } else {
            int v = *child[u].begin(); child[u].erase(child[u].begin());
            res[pos[v]] = Move(v);
            u = v;
            
         }
      }
      long long X = 0;
      for(long long i = 0; i < 60; i++) {
         X |= res[i] << i;
         //std::cerr << res[i] << " ";
      }
      //std::cerr << "\n";
      //std::cerr << "X = " << X << "\n";
      return X;
   }

   long long work(int S, int V) {
      res[pos[S]] = V;
      return solve(S);
   }
};

long long Ioi(int N_, int M, int A[], int B[], int P, int V, int T) {
   N = N_;
   for(int i = 0; i < M; i++) {
      G[A[i]].push_back(B[i]);
      G[B[i]].push_back(A[i]);
   }
   fill(pos, pos + N, -1);
   fill(res, res + 60, -1);
   fill(par, par + N, -1);
   fill(child, child + N, set<int>());
   par[0] = -1; dfs(0);
   return work(P, V);
}

• Subtask 1: 0 / 8
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 55
• Subtask 5: 0 / 17