제출 #130472

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
130472		khulegub	자동 인형 (IOI18_doll)	C++14	0 / 100	1 ms	204 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
#define mp make_pair
#define xx first
#define yy second
#define pb push_back


using namespace std;
typedef pair<int, int> pii;

/**********************/
/* YOU ARE INVITED TO */
/*                    */
/*       SUFFER       */
/*                    */
/*      ########      */
/*      # JOIN #      */
/*      ########      */
/*                    */
/**********************/
vector<bool> tree;
int N;
vector<int> x, y;
pii trial(int node){
	x[node] = node*2;
	y[node] = node*2 + 1;
	if (node*2 >= N){ //last node??
		tree[node] = tree[node] ^ 1;
		return mp(tree[node] ^ 1, node);
	}
	if (tree[node]){
		tree[node] = tree[node] ^ 1;
		return trial(node*2 + 1);
	}
	else{
		tree[node] = tree[node] ^ 1;
		return trial(node*2);
	}
}
void create_circuit(int m, vector<int> a) {
	a.pb(0);
	int n = a.size();
	vector<int> c(m + 1);
	N = 1 << (int) ceil( log((double) n)/log(2.0) );
	x.resize(N);
	y.resize(N);
	tree.resize(N);
	c[0] = -1; //connect it to first switch
	for (int i = 0; i < n; i++){
		pii tmp = trial(1);
		c[a[i]] = -1;
		if (tmp.xx == 0){
			x[tmp.yy] = a[i];
		}
		else{
			y[tmp.yy] = a[i];
		}
	}
	
	// switch with N different outputs

	answer(c, x, y);
}


// int main(){ // DRIVER - CHAN
// 	create_circuit(2, {1, 2, 2, 1});
// }

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