oj.uz

Submission #88392

# Submission time Handle Problem Language Result Execution time Memory
88392 2018-12-05T14:46:40 Z memikakizaki Mechanical Doll (IOI18_doll) C++14
100 / 100
 200 ms 25656 KB 
#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
const int N = 4e5+1;

int m, n, need, nodes, c[N], l[N], r[N], x[N], y[N];
vector<int> a;
vector<int> ls[N];

bool state[N], leaf_l[N], leaf_r[N];

void dfs(int i, int val) {
  bool org = state[i];
  state[i] ^= 1;
  if(org) {
    if(r[i] == -1) {
      // cout << i << " r" << ' ' << val << endl;
      y[i] = val;
    } else dfs(r[i], val);
  } else {
    if(l[i] == -1) {
      // cout << i << " l" << ' ' << val << endl;
      x[i] = val;
    } else dfs(l[i], val);
  }
}

void create_circuit(int _m, vector<int> _a) {
  m = _m, a = _a;
  n = a.size();
  a.insert(a.begin(), 0);
  a.push_back(0);

  for(int i = 0; i < (int) a.size() - 1; i++) ls[a[i]].push_back(a[i+1]);

  for(int i = 0; i <= m; i++) {
    if(ls[i].empty()) c[i] = 1;
    else if(ls[i].size() == 1) c[i] = ls[i][0];
    else c[i] = -1;
  }

  for(int i = 0; i < (int) a.size() - 1; i++) need += ls[a[i]].size() > 1;

  int lgn = log2(need);

  for(int i = 1; i <= lgn + 1; i++) {
    if(i <= lgn) l[i] = i+1, x[i] = -l[i];
    else {
      l[i] = 1;
      r[i] = (need % 2 ? -1 : 1);
      leaf_l[i] = leaf_r[i] = 1;
      x[i] = y[i] = -1;
    }
  }
  nodes += log2(need) + 1;
  for(int i = 1; i <= lgn; i++) {
    int sz = 1 << (lgn + 1 - i);
    if(need & sz) {
      r[i] = nodes + 1;
      y[i] = -r[i];
      for(int t = 1; t < sz; t++) {
        if(t < sz / 2) {
          l[nodes + t] = nodes + (t << 1);
          r[nodes + t] = nodes + (t << 1 | 1);
          x[nodes + t] = -l[nodes + t];
          y[nodes + t] = -r[nodes + t];
        } else {
          leaf_l[nodes + t] = leaf_r[nodes + t] = 1;
          l[nodes + t] = r[nodes + t] = -1;
        }
      }
      nodes += sz - 1;
    } else {
      r[i] = 1;
      y[i] = -1;
      leaf_r[i] = 1;
    }
    // cout << i << ' ' << nodes << ' ' << sz << ' ' << l[i] << ' ' << leaf_l[i] << ' ' << r[i] << ' ' << leaf_r[i] << endl;
  }
  // for(int i = 1; i <= nodes; i++) {
  //   cout << i << ' ' << l[i] << ' ' << r[i] << ' ' << leaf_l[i] << ' ' << leaf_r[i] << endl;
  // }
  //
  for(int i = 0; i < (int) a.size() - 1; i++) {
    if(ls[a[i]].size() <= 1) continue;
    dfs(1, a[i+1]);
  }
  vector<int> C, X, Y;
  for(int i = 0; i <= m; i++) C.push_back(c[i]);
  for(int i = 1; i <= nodes; i++) X.push_back(x[i]), Y.push_back(y[i]);

  // for(int i = 1; i <= nodes; i++) cout << -i << ' ' << x[i] << ' ' << y[i] << endl;

  answer(C, X, Y);
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9676 KB Output is correct
2 Correct 52 ms 14180 KB Output is correct
3 Correct 41 ms 13512 KB Output is correct
4 Correct 8 ms 9676 KB Output is correct
5 Correct 20 ms 11332 KB Output is correct
6 Correct 75 ms 15472 KB Output is correct
7 Correct 9 ms 9656 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9676 KB Output is correct
2 Correct 52 ms 14180 KB Output is correct
3 Correct 41 ms 13512 KB Output is correct
4 Correct 8 ms 9676 KB Output is correct
5 Correct 20 ms 11332 KB Output is correct
6 Correct 75 ms 15472 KB Output is correct
7 Correct 9 ms 9656 KB Output is correct
8 Correct 117 ms 21336 KB Output is correct
9 Correct 100 ms 20508 KB Output is correct
10 Correct 181 ms 25656 KB Output is correct
11 Correct 7 ms 9700 KB Output is correct
12 Correct 10 ms 9676 KB Output is correct
13 Correct 10 ms 9684 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9676 KB Output is correct
2 Correct 52 ms 14180 KB Output is correct
3 Correct 41 ms 13512 KB Output is correct
4 Correct 8 ms 9676 KB Output is correct
5 Correct 20 ms 11332 KB Output is correct
6 Correct 75 ms 15472 KB Output is correct
7 Correct 9 ms 9656 KB Output is correct
8 Correct 117 ms 21336 KB Output is correct
9 Correct 100 ms 20508 KB Output is correct
10 Correct 181 ms 25656 KB Output is correct
11 Correct 7 ms 9700 KB Output is correct
12 Correct 10 ms 9676 KB Output is correct
13 Correct 10 ms 9684 KB Output is correct
14 Correct 200 ms 24188 KB Output is correct
15 Correct 123 ms 19520 KB Output is correct
16 Correct 149 ms 24188 KB Output is correct
17 Correct 8 ms 9676 KB Output is correct
18 Correct 8 ms 9676 KB Output is correct
19 Correct 9 ms 9676 KB Output is correct
20 Correct 169 ms 24320 KB Output is correct
21 Correct 7 ms 9676 KB Output is correct
22 Correct 7 ms 9676 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 8 ms 9652 KB Output is correct
2 Correct 7 ms 9676 KB Output is correct
3 Correct 9 ms 9724 KB Output is correct
4 Correct 7 ms 9656 KB Output is correct
5 Correct 7 ms 9676 KB Output is correct
6 Correct 7 ms 9676 KB Output is correct
7 Correct 7 ms 9624 KB Output is correct
8 Correct 8 ms 9720 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9672 KB Output is correct
2 Correct 79 ms 17640 KB Output is correct
3 Correct 91 ms 17172 KB Output is correct
4 Correct 128 ms 21080 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9672 KB Output is correct
2 Correct 79 ms 17640 KB Output is correct
3 Correct 91 ms 17172 KB Output is correct
4 Correct 128 ms 21080 KB Output is correct
5 Correct 152 ms 24688 KB Output is correct
6 Correct 188 ms 22944 KB Output is correct
7 Correct 149 ms 23088 KB Output is correct
8 Correct 145 ms 23556 KB Output is correct
9 Correct 92 ms 17296 KB Output is correct
10 Correct 125 ms 22200 KB Output is correct
11 Correct 120 ms 22988 KB Output is correct
12 Correct 105 ms 18760 KB Output is correct
13 Correct 92 ms 19384 KB Output is correct
14 Correct 90 ms 18516 KB Output is correct
15 Correct 106 ms 18828 KB Output is correct
16 Correct 13 ms 9932 KB Output is correct
17 Correct 84 ms 18900 KB Output is correct
18 Correct 83 ms 17508 KB Output is correct
19 Correct 76 ms 17644 KB Output is correct
20 Correct 130 ms 22712 KB Output is correct
21 Correct 125 ms 21736 KB Output is correct
22 Correct 121 ms 21484 KB Output is correct