Submission #816851

#	Time	Username	Problem	Language	Result	Execution time	Memory
816851		Jarif_Rahman	Mechanical Doll (IOI18_doll)	C++17	47 / 100	73 ms	9940 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

const int inf = 1e9;

void create_circuit(int m, vector<int> A){
    int n = A.size();
    int k = 1;
    while(k < n) k*=2;

    vector<int> C(m+1, -1), X(k-1), Y(k-1);
    C[0] = A[0];

    for(int i = 1; i < k/2; i++) X[i-1] = -(2*i), Y[i-1] = -(2*i+1);
    for(int i = k; i < 2*k; i++){
        int j = i, pos = 0;
        while(j != 1){
            if(j&1) pos++;
            pos<<=1;
            j>>=1;
        }
        pos>>=1;
        if(pos == k-1){
            if(i&1) Y[i/2-1] = 0;
            else X[i/2-1] = 0;
        }
        else if(pos >= n-1){
            if(i&1) Y[i/2-1] = -1;
            else X[i/2-1] = -1;
        }
        else{
            if(i&1) Y[i/2-1] = A[pos+1];
            else X[i/2-1] = A[pos+1];
        }
    }

    answer(C, X, Y);
}

• Subtask 1: 0 / 2
• Subtask 2: 0 / 4
• Subtask 3: 0 / 10
• Subtask 4: 10 / 10
• Subtask 5: 9.0000000036 / 18
• Subtask 6: 28.0000000112 / 56