oj.uz

Submission #612012

# Submission time Handle Problem Language Result Execution time Memory
612012 2022-07-29T10:00:04 Z M_W Mechanical Doll (IOI18_doll) C++17
85.553 / 100
 99 ms 17876 KB 
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
int N, cnter = 0;
vector<int> adj[100001];
vector<int> X(400002), Y(400002);
vector<int> C(200002);
vector<int> ord;
bitset<1500000> mark;

void chk(int a, int vv, int val, int bit){
  if((1 << (bit + 1)) > adj[a].size() - 1){
      ord.push_back(val); ord.push_back(val | (1 << bit));
      return;
    }

    chk(a, vv * 2, val, bit + 1);
    chk(a, vv * 2 + 1, val | (1 << bit), bit + 1);
}

void rechk(int a, int vv, int val, int bit){
  if((1 << (bit + 1)) > adj[a].size() - 1){
      if(adj[a][val] == -1) mark[vv * 2] = 1; else mark[vv * 2] = 0;

      if(adj[a][val | (1 << bit)] == -1) mark[vv * 2 + 1] = 1; else mark[vv * 2 + 1] = 0;

      mark[vv] = mark[vv * 2] & mark[vv * 2 + 1];
      return;
    }

    rechk(a, vv * 2, val, bit + 1);
    rechk(a, vv * 2 + 1, val | (1 << bit), bit + 1);
    mark[vv] = mark[vv * 2] & mark[vv * 2 + 1];
}

void build(int a, int vv, int cur, int pa, int val, int bit){
    if((1 << (bit + 1)) > adj[a].size() - 1){
      X[abs(cur)] = adj[a][val] == -1 ? pa : adj[a][val];
      Y[abs(cur)] = adj[a][val | (1 << bit)] == -1 ? pa : adj[a][val | (1 << bit)];
      return;
    }

    if(mark[vv * 2]){
      X[abs(cur)] = pa;
      Y[abs(cur)] = --cnter;
      build(a, vv * 2 + 1, cnter, pa, val | (1 << bit), bit + 1);
    }
    else if(mark[vv * 2 + 1]){
      X[abs(cur)] = pa;
      Y[abs(cur)] = --cnter;
      build(a, vv * 2, cnter, pa, val, bit + 1);
    }
    else{
      X[abs(cur)] = --cnter;
      build(a, vv * 2, cnter, pa, val, bit + 1);
      Y[abs(cur)] = --cnter;
      build(a, vv * 2 + 1, cnter, pa, val | (1 << bit), bit + 1);
    }
}

void create_circuit(int M, vector<int> A) {
    N = A.size();
    for(int i = 0; i < N - 1; i++) adj[A[i]].push_back(A[i + 1]);
    adj[A[N - 1]].push_back(0);

    C[0] = A[0];
    for(int i = 1; i <= M; i++){
        if(adj[i].size() == 0) continue;
        if(adj[i].size() == 1) C[i] = adj[i][0];
        else{
            C[i] = --cnter;
            int j = 0;
            for(; j <= 20; j++){
              if((1 << j) >= adj[i].size()) break;
            }
            vector<int> tmp((1 << j), 0);
            chk(i, 1, 0, 0);

            for(int k = 0; k < (1 << j) - adj[i].size(); k++) tmp[ord[k]] = -1;
            int idx = 0;
            for(auto x : adj[i]){
              while(tmp[idx] == -1) idx++;
              tmp[idx] = x;
              idx++;
            }

            adj[i] = tmp; rechk(i, 1, 0, 0);
            build(i, 1, cnter, cnter, 0, 0);
            ord.clear();
        }
    }
    vector<int> CA, XA, YA;
    for(int i = 1; i <= abs(cnter); i++){
      XA.push_back(X[i]); YA.push_back(Y[i]);
    }
    for(int i = 0; i <= M; i++) CA.push_back(C[i]);
    answer(CA, XA, YA);
}

Compilation message

doll.cpp: In function 'void chk(int, int, int, int)':
doll.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |   if((1 << (bit + 1)) > adj[a].size() - 1){
      |      ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void rechk(int, int, int, int)':
doll.cpp:22:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   22 |   if((1 << (bit + 1)) > adj[a].size() - 1){
      |      ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void build(int, int, int, int, int, int)':
doll.cpp:37:25: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   37 |     if((1 << (bit + 1)) > adj[a].size() - 1){
      |        ~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:74:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |               if((1 << j) >= adj[i].size()) break;
      |                  ~~~~~~~~~^~~~~~~~~~~~~~~~
doll.cpp:79:30: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   79 |             for(int k = 0; k < (1 << j) - adj[i].size(); k++) tmp[ord[k]] = -1;
      |                            ~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 29 ms 10568 KB Output is correct
3 Correct 33 ms 10032 KB Output is correct
4 Correct 3 ms 6484 KB Output is correct
5 Correct 11 ms 7856 KB Output is correct
6 Correct 30 ms 11844 KB Output is correct
7 Correct 3 ms 6484 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 29 ms 10568 KB Output is correct
3 Correct 33 ms 10032 KB Output is correct
4 Correct 3 ms 6484 KB Output is correct
5 Correct 11 ms 7856 KB Output is correct
6 Correct 30 ms 11844 KB Output is correct
7 Correct 3 ms 6484 KB Output is correct
8 Correct 54 ms 12196 KB Output is correct
9 Correct 51 ms 12780 KB Output is correct
10 Correct 77 ms 15168 KB Output is correct
11 Correct 4 ms 6580 KB Output is correct
12 Correct 4 ms 6588 KB Output is correct
13 Correct 3 ms 6484 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 29 ms 10568 KB Output is correct
3 Correct 33 ms 10032 KB Output is correct
4 Correct 3 ms 6484 KB Output is correct
5 Correct 11 ms 7856 KB Output is correct
6 Correct 30 ms 11844 KB Output is correct
7 Correct 3 ms 6484 KB Output is correct
8 Correct 54 ms 12196 KB Output is correct
9 Correct 51 ms 12780 KB Output is correct
10 Correct 77 ms 15168 KB Output is correct
11 Correct 4 ms 6580 KB Output is correct
12 Correct 4 ms 6588 KB Output is correct
13 Correct 3 ms 6484 KB Output is correct
14 Correct 91 ms 16156 KB Output is correct
15 Correct 49 ms 11616 KB Output is correct
16 Correct 69 ms 14116 KB Output is correct
17 Correct 3 ms 6484 KB Output is correct
18 Correct 4 ms 6484 KB Output is correct
19 Correct 3 ms 6484 KB Output is correct
20 Correct 75 ms 15472 KB Output is correct
21 Correct 3 ms 6572 KB Output is correct
22 Correct 4 ms 6484 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 3 ms 6484 KB Output is correct
3 Correct 3 ms 6584 KB Output is correct
4 Correct 3 ms 6520 KB Output is correct
5 Correct 3 ms 6468 KB Output is correct
6 Correct 3 ms 6484 KB Output is correct
7 Correct 3 ms 6484 KB Output is correct
8 Correct 4 ms 6484 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 42 ms 13016 KB Output is correct
3 Correct 46 ms 14016 KB Output is correct
4 Correct 67 ms 17836 KB Output is correct

Subtask #6
41.5530038336 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 6484 KB Output is correct
2 Correct 42 ms 13016 KB Output is correct
3 Correct 46 ms 14016 KB Output is correct
4 Correct 67 ms 17836 KB Output is correct
5 Partially correct 91 ms 17876 KB Output is partially correct
6 Partially correct 85 ms 17552 KB Output is partially correct
7 Partially correct 89 ms 17532 KB Output is partially correct
8 Partially correct 99 ms 17120 KB Output is partially correct
9 Partially correct 45 ms 12984 KB Output is partially correct
10 Partially correct 83 ms 16948 KB Output is partially correct
11 Partially correct 72 ms 16276 KB Output is partially correct
12 Partially correct 48 ms 12796 KB Output is partially correct
13 Partially correct 57 ms 13736 KB Output is partially correct
14 Partially correct 57 ms 13748 KB Output is partially correct
15 Partially correct 61 ms 13916 KB Output is partially correct
16 Partially correct 5 ms 6740 KB Output is partially correct
17 Partially correct 48 ms 12516 KB Output is partially correct
18 Partially correct 45 ms 12352 KB Output is partially correct
19 Partially correct 48 ms 12564 KB Output is partially correct
20 Partially correct 70 ms 15712 KB Output is partially correct
21 Partially correct 64 ms 15928 KB Output is partially correct
22 Partially correct 70 ms 15544 KB Output is partially correct