Submission #628618

# Submission time Handle Problem Language Result Execution time Memory
628618 2022-08-13T14:31:41 Z evenvalue Mechanical Doll (IOI18_doll) C++17
100 / 100
70 ms 9864 KB
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;

template<typename T>
using min_heap = priority_queue<T, vector<T>, greater<T>>;
template<typename T>
using max_heap = priority_queue<T, vector<T>, less<T>>;

using int64 = long long;
using ld = long double;

constexpr int kInf = 1e9 + 10;
constexpr int64 kInf64 = 1e15 + 10;
constexpr int kMod = 1e9 + 7;

vector<int> C;
vector<int> X, Y;

int add_switch(const int x = kInf, const int y = kInf) {
  X.push_back(x);
  Y.push_back(y);
  return -((int)X.size());
}


int calc_elements(const int n) {
  const int h = 32 - __builtin_clz(n) - (__builtin_popcount(n) == 1);
  return (1 << h);
}

void create_circuit(int m, std::vector<int> A) {
  C.resize(m + 1, -1);

  A.push_back(0);
  const int n = A.size();
  const int elems = calc_elements(n);
  const int unused = elems - n;

  vector<pair<int, int>> trigger_places(elems, {-1, -1});

  function<void(int, int, int, int, int)> dfs = [&](const int x, const int l, const int r, const int depth, int path) {
    const int mid = (l + r) / 2;
    //left child
    if (mid < unused) {
      X[x] = -1;
    } else if (l == mid) {
      X[x] = path;
      trigger_places[path] = {x, 0};
    } else {
      X[x] = add_switch();
      dfs(-X[x] - 1, l, mid, depth + 1, path);
    }
    //right child
    path += (1 << depth);
    if (mid + 1 == r) {
      Y[x] = path;
      trigger_places[path] = {x, 1};
    } else {
      Y[x] = add_switch();
      dfs(-Y[x] - 1, mid + 1, r, depth + 1, path);
    }
  };

  add_switch();
  dfs(0, 0, elems - 1, 0, 0);

  for (int i = 0, j = 0; i < elems; i++) {
    if (trigger_places[i] == make_pair(-1, -1)) continue;
    const auto [s, dir] = trigger_places[i];
    (dir == 0 ? X[s] : Y[s]) = A[j];
    j++;
  }

  answer(C, X, Y);
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 26 ms 4788 KB Output is correct
3 Correct 26 ms 4404 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 8 ms 1364 KB Output is correct
6 Correct 35 ms 5916 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 26 ms 4788 KB Output is correct
3 Correct 26 ms 4404 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 8 ms 1364 KB Output is correct
6 Correct 35 ms 5916 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 44 ms 7136 KB Output is correct
9 Correct 47 ms 7556 KB Output is correct
10 Correct 70 ms 9864 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 26 ms 4788 KB Output is correct
3 Correct 26 ms 4404 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 8 ms 1364 KB Output is correct
6 Correct 35 ms 5916 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 44 ms 7136 KB Output is correct
9 Correct 47 ms 7556 KB Output is correct
10 Correct 70 ms 9864 KB Output is correct
11 Correct 1 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 64 ms 9384 KB Output is correct
15 Correct 41 ms 6772 KB Output is correct
16 Correct 59 ms 9152 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 64 ms 9620 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 0 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 37 ms 6364 KB Output is correct
3 Correct 38 ms 6396 KB Output is correct
4 Correct 59 ms 8592 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 37 ms 6364 KB Output is correct
3 Correct 38 ms 6396 KB Output is correct
4 Correct 59 ms 8592 KB Output is correct
5 Correct 60 ms 9028 KB Output is correct
6 Correct 68 ms 8864 KB Output is correct
7 Correct 59 ms 8888 KB Output is correct
8 Correct 57 ms 8756 KB Output is correct
9 Correct 35 ms 6396 KB Output is correct
10 Correct 55 ms 8704 KB Output is correct
11 Correct 54 ms 8516 KB Output is correct
12 Correct 37 ms 6412 KB Output is correct
13 Correct 38 ms 6616 KB Output is correct
14 Correct 45 ms 6632 KB Output is correct
15 Correct 39 ms 6728 KB Output is correct
16 Correct 1 ms 468 KB Output is correct
17 Correct 36 ms 5712 KB Output is correct
18 Correct 36 ms 6396 KB Output is correct
19 Correct 40 ms 6392 KB Output is correct
20 Correct 55 ms 8644 KB Output is correct
21 Correct 54 ms 8508 KB Output is correct
22 Correct 55 ms 8560 KB Output is correct