oj.uz

Submission #1024766

# Submission time Handle Problem Language Result Execution time Memory
1024766 2024-07-16T10:10:00 Z Zicrus Mechanical Doll (IOI18_doll) C++17
100 / 100
 92 ms 15356 KB 
#include <bits/stdc++.h>
#include "doll.h"
using namespace std;
 
typedef long long ll;
 
vector<int> C, X, Y, state;
 
int connect(int a, int bSize, int b, int orig = 0, int mask = 0, int bit = 0) {
    if (!bit && orig) return b;
    
    X.push_back(0);
    Y.push_back(0);
    int id = X.size() - 1;
    bool first = false;
    if (!orig) {
        first = true;
        orig = -X.size();
        mask = bSize - 1;
        if (mask == 0) {
            X.pop_back();
            Y.pop_back();
            return b;
        }
        bit = 1 << (int)log2(mask);
    }
 
    if (mask & bit) {
        X[id] = connect(a, bSize - (1 << ((int)log2(bSize) - 1)), b, orig, mask, bit >> 1);
        Y[id] = connect(a, 1 << ((int)log2(bSize) - 1), b, orig, ~0, bit >> 1);
    }
    else {
        X[id] = orig;
        Y[id] = connect(a, 1 << ((int)log2(bSize) - 1), b, orig, mask, bit >> 1);
    }
 
    if (first) {
        Y[X.size() - 1] = 0;
    }
 
    return -id - 1;
}
 
void create_circuit(int M, vector<int> A) {
    A.push_back(0);
    C = vector<int>(M + 1);
    X = vector<int>(); Y = vector<int>();
    vector<vector<int>> adj(M + 1);
    int prev = 0;
    for(auto &e : A) {
        adj[prev].push_back(e);
        prev = e;
    }
    C[0] = connect(0, A.size(), 1);
    for (int i = 1; i < adj.size(); i++) {
        C[i] = C[0];
    }
 
    state = vector<int>(X.size());
    int pos = 0;
    for (int i = 0; i < A.size(); i++) {
        int prev = pos;
        do {
            prev = pos;
            if (pos >= 0) {
                pos = C[pos];
            }
            else {
                pos = state[-pos - 1] ? Y[-pos - 1] : X[-pos - 1];
                state[-prev - 1] = !state[-prev - 1];
            }
        } while (pos < 0);
        if (pos != A[i]) {
            (!state[-prev - 1] ? Y[-prev - 1] : X[-prev - 1]) = A[i];
            pos = A[i];
        }
    }
 
    answer(C, X, Y);
    return;
}

Compilation message

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:55:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |     for (int i = 1; i < adj.size(); i++) {
      |                     ~~^~~~~~~~~~~~
doll.cpp:61:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     for (int i = 0; i < A.size(); i++) {
      |                     ~~^~~~~~~~~~

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 8860 KB Output is correct
3 Correct 33 ms 7968 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 48 ms 11216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct

Subtask #2
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 8860 KB Output is correct
3 Correct 33 ms 7968 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 48 ms 11216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 59 ms 10108 KB Output is correct
9 Correct 63 ms 12216 KB Output is correct
10 Correct 92 ms 15356 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 33 ms 8860 KB Output is correct
3 Correct 33 ms 7968 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 8 ms 3932 KB Output is correct
6 Correct 48 ms 11216 KB Output is correct
7 Correct 0 ms 344 KB Output is correct
8 Correct 59 ms 10108 KB Output is correct
9 Correct 63 ms 12216 KB Output is correct
10 Correct 92 ms 15356 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 0 ms 436 KB Output is correct
14 Correct 87 ms 13848 KB Output is correct
15 Correct 65 ms 8512 KB Output is correct
16 Correct 86 ms 12964 KB Output is correct
17 Correct 0 ms 348 KB Output is correct
18 Correct 0 ms 348 KB Output is correct
19 Correct 0 ms 348 KB Output is correct
20 Correct 91 ms 14296 KB Output is correct
21 Correct 0 ms 348 KB Output is correct
22 Correct 0 ms 348 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 432 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 432 KB Output is correct
8 Correct 0 ms 348 KB Output is correct

Subtask #5
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 54 ms 7496 KB Output is correct
3 Correct 52 ms 6504 KB Output is correct
4 Correct 81 ms 10020 KB Output is correct

Subtask #6
56.0 / 56.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 54 ms 7496 KB Output is correct
3 Correct 52 ms 6504 KB Output is correct
4 Correct 81 ms 10020 KB Output is correct
5 Correct 88 ms 13548 KB Output is correct
6 Correct 82 ms 13620 KB Output is correct
7 Correct 89 ms 13868 KB Output is correct
8 Correct 79 ms 12852 KB Output is correct
9 Correct 50 ms 7244 KB Output is correct
10 Correct 77 ms 12592 KB Output is correct
11 Correct 72 ms 12340 KB Output is correct
12 Correct 53 ms 8400 KB Output is correct
13 Correct 56 ms 8820 KB Output is correct
14 Correct 59 ms 9180 KB Output is correct
15 Correct 57 ms 8772 KB Output is correct
16 Correct 2 ms 600 KB Output is correct
17 Correct 46 ms 8076 KB Output is correct
18 Correct 49 ms 7736 KB Output is correct
19 Correct 48 ms 7796 KB Output is correct
20 Correct 75 ms 11976 KB Output is correct
21 Correct 80 ms 11964 KB Output is correct
22 Correct 73 ms 11380 KB Output is correct