oj.uz

답안 #660229

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
660229 2022-11-21T08:55:03 Z MilosMilutinovic Amusement Park (JOI17_amusement_park) C++14
10 / 100
 726 ms 262144 KB 
#include "Joi.h"
#include <bits/stdc++.h>

using namespace std;

void Joi(int n, int m, int u[], int v[], long long x, int t) {
  vector<vector<int>> g(n);
  for (int i = 0; i < n - 1; i++) {
    g[u[i]].push_back(v[i]);
    g[v[i]].push_back(u[i]);
  }
  const int L = 20;
  vector<vector<int>> pr(n, vector<int>(L));
  vector<int> dep(n);
  function<void(int, int)> Dfs = [&](int v, int pv) {
    pr[v][0] = pv;
    for (int j = 1; j < L; j++) {
      pr[v][j] = pr[pr[v][j - 1]][j - 1];
    }
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      dep[u] = dep[v] + 1;
      Dfs(u, v);
    }
  };
  Dfs(0, 0);
  auto LCA = [&](int x, int y) {
    if (dep[x] < dep[y]) {
      swap(x, y);
    }
    for (int i = L - 1; i >= 0; i--) {
      if (dep[pr[x][i]] >= dep[y]) {
        x = pr[x][i];
      }
    }
    if (x == y) {
      return x;
    }
    for (int i = L - 1; i >= 0; i--) {
      if (pr[x][i] != pr[y][i]) {
        x = pr[x][i];
        y = pr[y][i];
      }
    }
    return pr[x][0];
  };
  auto GetDist = [&](int x, int y) {
    return dep[x] + dep[y] - 2 * dep[LCA(x, y)];
  };
  vector<int> ver;
  function<void(int, int)> Go = [&](int v, int pv) {
    if (ver.size() == 60) {
      return;
    }
    ver.push_back(v);
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      Go(u, v);
    }
  };
  Go(0, 0);
  vector<vector<int>> ids(n);
  for (int x : ver) {
    ids[x] = ver;
  }
  vector<int> ans(n);
  for (int i = 0; i < 60; i++) {
    ans[ver[i]] = (x >> i & 1);
  }
  function<void(int, int)> Solve = [&](int v, int pv) {
    if (ids[v].empty()) {
      ids[v] = ids[pv];
      int idx = 0;
      for (int i = 1; i < 60; i++) {
        if (GetDist(ids[v][i], v) > GetDist(ids[v][idx], v)) {
          idx = i;
        }
      }
      ans[v] = ans[ids[v][idx]];
      ids[v][idx] = v;
    }
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      Solve(u, v);
    }
  };
  Solve(0, 0);
  for (int i = 0; i < n; i++) {
    MessageBoard(i, ans[i]);
  }
}

#include "Ioi.h"
#include <bits/stdc++.h>

using namespace std;

long long Ioi(int n, int m, int u[], int v[], int p, int me, int t) {
  vector<vector<int>> g(n);
  for (int i = 0; i < n - 1; i++) {
    g[u[i]].push_back(v[i]);
    g[v[i]].push_back(u[i]);
  }
  const int L = 20;
  vector<vector<int>> pr(n, vector<int>(L));
  vector<int> dep(n);
  function<void(int, int)> Dfs = [&](int v, int pv) {
    pr[v][0] = pv;
    for (int j = 1; j < L; j++) {
      pr[v][j] = pr[pr[v][j - 1]][j - 1];
    }
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      dep[u] = dep[v] + 1;
      Dfs(u, v);
    }
  };
  Dfs(0, 0);
  auto LCA = [&](int x, int y) {
    if (dep[x] < dep[y]) {
      swap(x, y);
    }
    for (int i = L - 1; i >= 0; i--) {
      if (dep[pr[x][i]] >= dep[y]) {
        x = pr[x][i];
      }
    }
    if (x == y) {
      return x;
    }
    for (int i = L - 1; i >= 0; i--) {
      if (pr[x][i] != pr[y][i]) {
        x = pr[x][i];
        y = pr[y][i];
      }
    }
    return pr[x][0];
  };
  auto GetDist = [&](int x, int y) {
    return dep[x] + dep[y] - 2 * dep[LCA(x, y)];
  };
  vector<int> ver;
  function<void(int, int)> Go = [&](int v, int pv) {
    if (ver.size() == 60) {
      return;
    }
    ver.push_back(v);
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      Go(u, v);
    }
  };
  Go(0, 0);
  vector<vector<int>> ids(n);
  for (int x : ver) {
    ids[x] = ver;
  }
  function<void(int, int)> Solve = [&](int v, int pv) {
    if (ids[v].empty()) {
      ids[v] = ids[pv];
      int idx = 0;
      for (int i = 1; i < 60; i++) {
        if (GetDist(ids[v][i], v) > GetDist(ids[v][idx], v)) {
          idx = i;
        }
      }
      ids[v][idx] = v;
    }
    for (int u : g[v]) {
      if (u == pv) {
        continue;
      }
      Solve(u, v);
    }
  };
  Solve(0, 0);
  for (int i = 0; i < n; i++) {
    if (ids[i].size() != 60) {
      return 0LL;
    }
  }
  vector<int> bit(n, -1);
  for (int i = 0; i < 60; i++) {
    bit[ids[p][i]] = i;
  }
  vector<int> f(n);
  f[p] = me;
  function<void(int, int)> FindBits = [&](int v, int pv) {
    for (int u : g[v]) {
      if (u == pv || bit[u] == -1) {
        continue;
      }
      f[u] = Move(u);
      FindBits(u, v);
      f[v] = Move(v);
    }
  };
  FindBits(p, p);
  long long res = 0;
  for (int i = 0; i < n; i++) {
    if (bit[i] != -1) {
      res += (1LL << bit[i]) * f[i];
    }
  }
  return res;
}

Subtask #1
0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 776 KB Output is correct
2 Correct 4 ms 768 KB Output is correct
3 Correct 10 ms 752 KB Output is correct
4 Correct 2 ms 768 KB Output is correct
5 Correct 2 ms 776 KB Output is correct
6 Correct 6 ms 776 KB Output is correct
7 Correct 10 ms 900 KB Output is correct
8 Correct 10 ms 780 KB Output is correct
9 Correct 10 ms 780 KB Output is correct
10 Correct 4 ms 768 KB Output is correct
11 Runtime error 356 ms 262144 KB Execution killed with signal 9
12 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 634 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 776 KB Output is correct
2 Correct 2 ms 768 KB Output is correct
3 Correct 3 ms 776 KB Output is correct
4 Correct 46 ms 2572 KB Output is correct
5 Correct 50 ms 2468 KB Output is correct
6 Correct 44 ms 2524 KB Output is correct
7 Correct 44 ms 2596 KB Output is correct
8 Correct 43 ms 2588 KB Output is correct
9 Correct 276 ms 13112 KB Output is correct
10 Correct 282 ms 13068 KB Output is correct
11 Correct 279 ms 13004 KB Output is correct
12 Correct 1 ms 776 KB Output is correct
13 Correct 2 ms 768 KB Output is correct
14 Correct 1 ms 768 KB Output is correct
15 Correct 1 ms 768 KB Output is correct

Subtask #4
0 / 55.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 726 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Runtime error 423 ms 262144 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -