oj.uz

Submission #612224

# Submission time Handle Problem Language Result Execution time Memory
612224 2022-07-29T11:43:54 Z Jomnoi Mechanical Doll (IOI18_doll) C++17
53 / 100
 118 ms 27148 KB 
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;

const int MAX_M = 1e5 + 5;
const int INF = 1e9 + 7;

int N, M, S;
vector <int> nxt[MAX_M];
vector<int> C, X, Y;
vector <int> leaf;
vector <int> pattern[20];

void build(int u, int d) {
    if(d == 0) {
        return;
    }

    X[u - 1] = -(++S);
    if(d == 1) {
        leaf.push_back(S - 1);
    }
    build(S, d - 1);

    Y[u - 1] = -(++S);
    if(d == 1) {
        leaf.push_back(S - 1);
    }
    build(S, d - 1);
}

void create_circuit(int m, vector <int> A) {
    N = A.size(), M = m;
    C.resize(M + 1);
    X.resize(1e6, INF);
    Y.resize(1e6, INF);

    pattern[0].push_back(0);
    for(int j = 1; j < 20; j++) {
        pattern[j].resize(pattern[j - 1].size() * 2);
        for(int i = 0; i < pattern[j - 1].size(); i++) {
            pattern[j][i * 2] = pattern[j - 1][i];
        }
        for(int i = 0; i < pattern[j].size(); i += 2) {
            pattern[j][i + 1] = pattern[j][i] + (1<<(j - 1));
        }
    }

    A.push_back(0);
    for(int i = 0; i < N; i++) {
        nxt[A[i]].push_back(A[i + 1]);
    }

    C[0] = A[0];
    for(int a = 1; a <= M; a++) {
        if(nxt[a].empty()) {
            continue;
        }
        else if(nxt[a].size() == 1) {
            C[a] = nxt[a][0];
        }
        else {
            leaf.clear();
            int root = ++S;
            C[a] = -S;
            
            int numberofLevel = ceil(1.0 * log2(nxt[a].size()));
            build(S, numberofLevel - 1);
            if(numberofLevel == 1) {
                leaf.push_back(root - 1);
            }

            for(int i = 0; i < (1<<numberofLevel); i += 2) {
                int idx = pattern[numberofLevel][i];
                if(idx + 1 >= nxt[a].size()) {
                    X[leaf[i / 2]] = -root;
                }
                else {
                    X[leaf[i / 2]] = nxt[a][idx];
                }
            }
            for(int i = 1; i < (1<<numberofLevel); i += 2) {
                int idx = pattern[numberofLevel][i];
                if(idx + 1 >= nxt[a].size()) {
                    if(i < (1<<numberofLevel) - 1) {
                        Y[leaf[i / 2]] = -root;
                    }
                    else {
                        Y[leaf[i / 2]] = nxt[a].back();
                    }
                }
                else {
                    Y[leaf[i / 2]] = nxt[a][idx];
                }
            }
        }
    }

    while(X.back() == INF) {
        X.pop_back();
    }
    while(Y.back() == INF) {
        Y.pop_back();
    }

    // for(auto x : X) {
    //     cout << x << ' ';
    // }
    // cout << endl;
    // for(auto y : Y) {
    //     cout << y << ' ';
    // }
    // cout << endl;

    answer(C, X, Y);
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:41:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |         for(int i = 0; i < pattern[j - 1].size(); i++) {
      |                        ~~^~~~~~~~~~~~~~~~~~~~~~~
doll.cpp:44:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   44 |         for(int i = 0; i < pattern[j].size(); i += 2) {
      |                        ~~^~~~~~~~~~~~~~~~~~~
doll.cpp:75:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   75 |                 if(idx + 1 >= nxt[a].size()) {
      |                    ~~~~~~~~^~~~~~~~~~~~~~~~
doll.cpp:84:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   84 |                 if(idx + 1 >= nxt[a].size()) {
      |                    ~~~~~~~~^~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14548 KB Output is correct
2 Correct 44 ms 18780 KB Output is correct
3 Correct 31 ms 18480 KB Output is correct
4 Correct 8 ms 14620 KB Output is correct
5 Correct 19 ms 15752 KB Output is correct
6 Correct 36 ms 20548 KB Output is correct
7 Correct 8 ms 14552 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14548 KB Output is correct
2 Correct 44 ms 18780 KB Output is correct
3 Correct 31 ms 18480 KB Output is correct
4 Correct 8 ms 14620 KB Output is correct
5 Correct 19 ms 15752 KB Output is correct
6 Correct 36 ms 20548 KB Output is correct
7 Correct 8 ms 14552 KB Output is correct
8 Correct 56 ms 21044 KB Output is correct
9 Correct 57 ms 21572 KB Output is correct
10 Correct 73 ms 23836 KB Output is correct
11 Correct 10 ms 14548 KB Output is correct
12 Correct 9 ms 14548 KB Output is correct
13 Correct 8 ms 14548 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 14548 KB Output is correct
2 Correct 44 ms 18780 KB Output is correct
3 Correct 31 ms 18480 KB Output is correct
4 Correct 8 ms 14620 KB Output is correct
5 Correct 19 ms 15752 KB Output is correct
6 Correct 36 ms 20548 KB Output is correct
7 Correct 8 ms 14552 KB Output is correct
8 Correct 56 ms 21044 KB Output is correct
9 Correct 57 ms 21572 KB Output is correct
10 Correct 73 ms 23836 KB Output is correct
11 Correct 10 ms 14548 KB Output is correct
12 Correct 9 ms 14548 KB Output is correct
13 Correct 8 ms 14548 KB Output is correct
14 Correct 112 ms 25320 KB Output is correct
15 Correct 46 ms 20388 KB Output is correct
16 Correct 67 ms 23600 KB Output is correct
17 Correct 8 ms 14500 KB Output is correct
18 Correct 11 ms 14564 KB Output is correct
19 Correct 9 ms 14592 KB Output is correct
20 Correct 102 ms 25004 KB Output is correct
21 Correct 12 ms 14556 KB Output is correct
22 Correct 9 ms 14548 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 8 ms 14616 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
9.0000000036 / 18.0

# Verdict Execution time Memory Grader output
1 Partially correct 9 ms 14548 KB Output is partially correct
2 Correct 44 ms 20148 KB Output is correct
3 Partially correct 70 ms 22100 KB Output is partially correct
4 Partially correct 91 ms 22956 KB Output is partially correct

Subtask #6
28.0000000112 / 56.0

# Verdict Execution time Memory Grader output
1 Partially correct 9 ms 14548 KB Output is partially correct
2 Correct 44 ms 20148 KB Output is correct
3 Partially correct 70 ms 22100 KB Output is partially correct
4 Partially correct 91 ms 22956 KB Output is partially correct
5 Partially correct 95 ms 25240 KB Output is partially correct
6 Partially correct 112 ms 26620 KB Output is partially correct
7 Partially correct 101 ms 26400 KB Output is partially correct
8 Partially correct 115 ms 26892 KB Output is partially correct
9 Partially correct 76 ms 22208 KB Output is partially correct
10 Partially correct 104 ms 26896 KB Output is partially correct
11 Partially correct 118 ms 27148 KB Output is partially correct
12 Partially correct 77 ms 22728 KB Output is partially correct
13 Partially correct 73 ms 22344 KB Output is partially correct
14 Partially correct 87 ms 22132 KB Output is partially correct
15 Partially correct 75 ms 21920 KB Output is partially correct
16 Partially correct 10 ms 14808 KB Output is partially correct
17 Partially correct 61 ms 21024 KB Output is partially correct
18 Partially correct 58 ms 21016 KB Output is partially correct
19 Partially correct 57 ms 21436 KB Output is partially correct
20 Partially correct 76 ms 23740 KB Output is partially correct
21 Partially correct 96 ms 25412 KB Output is partially correct
22 Partially correct 71 ms 23040 KB Output is partially correct