Submission #130478

#	Time	Username	Problem	Language	Result	Execution time	Memory
130478		khulegub	Mechanical Doll (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;
pii trial(int node){
	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) );

	vector<int> x, y;

	x.resize(N - 1);
	y.resize(N - 1);
	tree.resize(N - 1);
	// cout << N << '\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 - 1] = a[i];
		}
		else{
			y[tmp.yy - 1] = a[i];
		}
	}
	for (int i = 1; i <= n; i++){
		if (i*2 >= n) break;
		x[i - 1] = -i*2;
		if (i*2 + 1 >= n) break;
		y[i - 1] = -(i*2 + 1);
	}
	// switch with N different outputs
	// for (int X : y){
	// 	cout << X << ' ';
	// }
	answer(c, x, y);
}


// int main(){ // DRIVER - CHAN
// 	create_circuit(3, {1});
// }

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