Submission #100584

#	Time	Username	Problem	Language	Result	Execution time	Memory
100584		maruii	Mechanical Doll (IOI18_doll)	C++14	0 / 100	46 ms	5944 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
int K, xx[200000], yy[200000];
vector<int> X, Y;
void f(int x, int v, int t){
	if(x>K-2){
		xx[v] = yy[v|t] = x;
		return;
	}
	f(-X[x]-1, v, t<<1);
	f(-Y[x]-1, v|t, t<<1);
}
void create_circuit(int M, vector<int> A) {
	memset(xx, -1, sizeof(xx)), memset(yy, -1, sizeof(yy));
	int N = A.size();
	vector<int> C(M + 1);
	K = 1;
	while(K<(N+1)/2) K <<= 1;
	X.resize(K*2-1), Y.resize(K*2-1);
	fill(C.begin(), C.end(), -1);
	for(int i=1; i<K; ++i){
		X[i-1] = -(i<<1);
		Y[i-1] = -(i<<1|1);
	}
	f(0, 0, 1);
	for(int i=0; i<2*K; ++i){
	  	if(i>=N){
	  		if(xx[i]>=0) X[xx[i]] = -1;
	  		else Y[yy[i]] = -1;
	  	}
		else if(xx[i]>=0) X[xx[i]] = A[i];
		else Y[yy[i]] = A[i];
	}
	if(Y[yy[2*K-1]] == -1) Y[yy[2*K-1]] = 0;
	else C[Y[yy[2*K-1]]] = 0;
	answer(C, X, Y);
}

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