제출 #1096234

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1096234		LucaLucaM	Amusement Park (JOI17_amusement_park)	C++17	0 / 100	19 ms	4844 KiB

Joi

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

using ll = long long;
const int NMAX = 10'000;

std::vector<int> g[NMAX + 1];
int value[NMAX + 1];
bool vis[NMAX + 1];

std::vector<int> order;
void dfs(int u) {
  order.push_back(u);
  vis[u] = true;
  for (const auto &v : g[u]) {
    if (!vis[v]) {
      dfs(v);
    }
  }
}


void Joi(int n, int m, int a[], int b[], long long X, int T) {
  for (int i = 0; i < m; i++) {
    g[a[i]].push_back(b[i]);
    g[b[i]].push_back(a[i]);
  }
  for (int i = 0; i < n; i++) {
    std::sort(g[i].begin(), g[i].end());
  }
  dfs(0);
  for (int i = 0; i < 60; i++) {
    value[order[i]] = ((ll) X >> i) & 1LL;
  }
  for (int i = 0; i < n; i++) {
    MessageBoard(i, value[i]);
  }
}

Ioi

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

using ll = long long;
const int NMAX = 10'000;

std::vector<int> g[NMAX + 1];
int value[NMAX + 1];
bool vis[NMAX + 1];
int parent[NMAX + 1];

std::vector<int> order;
void dfs(int u) {
  order.push_back(u);
  vis[u] = true;
  for (const auto &v : g[u]) {
    parent[v] = u;
    if (!vis[v]) {
      dfs(v);
    }
  }
}

bool hasSon(int u, int v) { // v e fiu al lui u?
  for (const auto &w : g[u]) {
    if (v ==  w) {
      return true;
    }
  }
  return false;
}

long long Ioi(int n, int m, int a[], int b[], int P, int V, int T) {
  for (int i = 0; i < m; i++) {
    g[a[i]].push_back(b[i]);
    g[b[i]].push_back(a[i]);
  }
  for (int i = 0; i < n; i++) {
    std::sort(g[i].begin(), g[i].end());
  }
  dfs(0);
  int u = P;
  ll answer = 0;
  while (u != 0) {
    u = parent[u];
    answer = Move(u);
  }
  for (int i = 1; i < 60; i++) {
    while (!hasSon(u, order[i])) {
      u = parent[u];
    }
    if (Move(order[i])) {
      answer |= (1LL << i);
      u = order[i];
    }
  }
  return answer;
}

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