Submission #115176

#	Time	Username	Problem	Language	Result	Execution time	Memory
115176		MladenP	Mechanical Doll (IOI18_doll)	C++17	10 / 100	7 ms	8504 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#define MAXN (1<<20)
#define MAXM 200010
#define PRINT(x) cerr<<#x<<' '<<x<<endl;
#define mid (l+r)/2
#define pb push_back
using namespace std;
vector<int> X, Y, C;
int x[MAXN], y[MAXN], stdva, idxx[MAXN];
int N, idx;
set<int> nodes;
void ubaci(int node, int put, int kraj, int dub) {
    if(dub == stdva) {
        if(put == 0) x[node] = kraj;
        if(put == 1) y[node] = kraj;
        return;
    }
    if(!(put&1)) {
        if(x[node] == -1) x[node] = --idx;
        ubaci(-x[node], put>>1, kraj, dub+1);
    } else {
        if(y[node] == -1) y[node] = --idx;
        ubaci(-y[node], put>>1, kraj, dub+1);
    }
}
void nadji(int put, int kraj, int l, int r) {
    if(l == r) {
        idxx[l] = kraj;
        return;
    }
    if(!(put&1)) nadji(put>>1, kraj, l, mid);
    else nadji(put>>1, kraj, mid+1, r);
}
void create_circuit(int M, std::vector<int> A) {
    N = A.size();
    C.resize(M+1);
    for(int i = 1; i <= M; i++) C[i] = -1;
    C[0] = -1;
    idx = -1;
    for(int i = 0; i < 20; i++) {
        if((1<<i) > N) {
            stdva = i;
            break;
        }
    }
    for(int i = 0; i < (1<<stdva); i++) {
        nadji(i, i, 0, (1<<stdva)-1);
    }
    for(int i = 0; i < (1<<(stdva-1)); i++) {
        nodes.insert(idxx[i]);
    }
    nodes.insert(idxx[(1<<(stdva))-1]);
    int xx = N-(1<<(stdva-1));
    int yy = (1<<stdva)-xx;
    for(int i = (1<<(stdva))-2; i > yy; i--) {
        nodes.insert(idxx[i]);
    }
    fill(x, x+MAXN, -1);
    fill(y, y+MAXN, -1);
    int ii = 0;
    for(auto x : nodes) {
        ubaci(1, x, A[ii], 1);
        ii++;
    }
    idx = -idx;
    X.resize(idx);
    Y.resize(idx);
    for(int i = 1; i <= idx; i++) {
        X[i-1] = x[i];
        Y[i-1] = y[i];
    }
    answer(C, X, Y);
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 0 / 18
• Subtask 6: 0 / 56