Submission #773255

# Submission time Handle Problem Language Result Execution time Memory
773255 2023-07-04T17:48:25 Z _martynas Mechanical Doll (IOI18_doll) C++11
72.6014 / 100
168 ms 21708 KB
#include "doll.h"
#include <bits/stdc++.h>

using namespace std;

int counter = 0;
struct Node {
    array<Node*, 2> c = {nullptr, nullptr};
    int to = 0, idx = -1;
    bool terminal() {
        return c[0] == nullptr && c[1] == nullptr;
    }
};

Node* construct(int sz, int depth) {
    if(sz <= 0) return nullptr;
    Node* root = new Node();
    if(depth <= 0) return root;
    root->idx = ++counter;
    int sz_l = 1<<(31-__builtin_clz(sz));
    if(sz_l == sz && sz > 1) sz_l /= 2;
    root->c[0] = construct(sz-sz_l, depth-1);
    root->c[1] = construct(sz_l, depth-1);
    for(auto n : root->c) {
        if(n == nullptr) continue;
    }
    return root;
}

// first time going to terminal node
void walk(Node* curr, Node* root, int target, vector<int> &X, vector<int> &Y) {
    Node* to = curr->c[curr->to];
    if(!to) {
        if(curr->to) Y[curr->idx-1] = -root->idx;
        else X[curr->idx-1] = -root->idx;
        curr->to ^= 1;
        walk(root, root, target, X, Y);
    }
    else if(to->terminal()) {
        if(curr->to) Y[curr->idx-1] = target;
        else X[curr->idx-1] = target;
        curr->to ^= 1;
    }
    else {
        if(curr->to) Y[curr->idx-1] = -to->idx;
        else X[curr->idx-1] = -to->idx;
        curr->to ^= 1;
        walk(to, root, target, X, Y);
    }
}

void create_circuit(int M, vector<int> A) {
    int N = A.size();
    int depth = 31-__builtin_clz(N-1)+1;
    Node* root = construct(N, depth);
    vector<int> C(M+1);
    vector<int> X(counter, -10000), Y(counter, -10000);
    C[0] = A[0];
    for(int i = 1; i <= M; i++) C[i] = -1;
    for(int i = 1; i < N; i++) {
        walk(root, root, A[i], X, Y);
    }
    walk(root, root, 0, X, Y);
    answer(C, X, Y);
}
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 37 ms 7984 KB Output is correct
3 Correct 37 ms 7680 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Incorrect 60 ms 11912 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 37 ms 7984 KB Output is correct
3 Correct 37 ms 7680 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Incorrect 60 ms 11912 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 37 ms 7984 KB Output is correct
3 Correct 37 ms 7680 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 7 ms 1364 KB Output is correct
6 Incorrect 60 ms 11912 KB Output isn't correct
7 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 304 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 296 KB Output is correct
7 Correct 1 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 73 ms 13536 KB Output is correct
3 Correct 70 ms 13472 KB Output is correct
4 Partially correct 164 ms 21300 KB Output is partially correct
# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 73 ms 13536 KB Output is correct
3 Correct 70 ms 13472 KB Output is correct
4 Partially correct 164 ms 21300 KB Output is partially correct
5 Partially correct 139 ms 21708 KB Output is partially correct
6 Partially correct 154 ms 21508 KB Output is partially correct
7 Partially correct 168 ms 21580 KB Output is partially correct
8 Partially correct 131 ms 21420 KB Output is partially correct
9 Partially correct 67 ms 13504 KB Output is partially correct
10 Partially correct 162 ms 21320 KB Output is partially correct
11 Partially correct 141 ms 21164 KB Output is partially correct
12 Correct 72 ms 13540 KB Output is correct
13 Correct 67 ms 13724 KB Output is correct
14 Correct 70 ms 13748 KB Output is correct
15 Correct 68 ms 13768 KB Output is correct
16 Correct 2 ms 724 KB Output is correct
17 Correct 65 ms 13544 KB Output is correct
18 Correct 95 ms 13516 KB Output is correct
19 Correct 69 ms 13552 KB Output is correct
20 Partially correct 127 ms 21344 KB Output is partially correct
21 Partially correct 153 ms 21300 KB Output is partially correct
22 Partially correct 133 ms 21324 KB Output is partially correct