Submission #333878

#	Time	Username	Problem	Language	Result	Execution time	Memory
333878		nicholask	Mechanical Doll (IOI18_doll)	C++14	16 / 100	124 ms	11908 KiB

doll

#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
/*
void answer(vector <int> c,vector <int> x,vector <int> y){
	cout<<"C: ";
	for (auto&i:c) cout<<i<<' ';
	cout<<endl;
	cout<<"X: ";
	for (auto&i:x) cout<<i<<' ';
	cout<<endl;
	cout<<"Y: ";
	for (auto&i:y) cout<<i<<' ';
	cout<<endl;
	return;
}
*/
void create_circuit(int m,vector <int> a){
	vector <int> c(m+1,0),x,y;
	c[0]=a[0];
	int n=a.size();
	a.push_back(0);
	/*if (n==16){
		for (int i=1; i<=m; i++) c[i]=-1;
		c[0]=a[0];
		for (int i=-1; i>=-7; i--){
			x.push_back(2*i);
			y.push_back(2*i-1);
		}
		for (int i=0; i<=15; i+=2){
			x.push_back(a[i+1]);
			y.push_back(a[i+2]);
		}
		answer(c,x,y);
		return;
	} else {*/
		vector <int> nxt[m+1];
		for (int i=0; i<n; i++) nxt[a[i]].push_back(a[i+1]);
		int cur=0;
		for (int i=1; i<=m; i++){
			if (nxt[i].size()==1){
				c[i]=nxt[i][0];
			} else if (nxt[i].size()==2){
				cur--;
				c[i]=cur;
				x.push_back(nxt[i][0]);
				y.push_back(nxt[i][1]);
			} else if (nxt[i].size()==3){
				cur--;
				c[i]=cur;
				cur--;
				x.push_back(cur);
				cur--;
				y.push_back(cur);
				x.push_back(c[i]);
				y.push_back(nxt[i][1]);
				x.push_back(nxt[i][0]);
				y.push_back(nxt[i][2]);
			} else if (nxt[i].size()==4){
				cur--;
				c[i]=cur;
				cur--;
				x.push_back(cur);
				cur--;
				y.push_back(cur);
				x.push_back(nxt[i][0]);
				y.push_back(nxt[i][2]);
				x.push_back(nxt[i][1]);
				y.push_back(nxt[i][3]);
			}
		}
		answer(c,x,y);
		return;	
	//}
}
/*
int main(){
	int n,m;
	cin>>m>>n;
	vector <int> a;
	for (int i=0; i<n; i++){
		int t;
		cin>>t;
		a.push_back(t);
	}
	create_circuit(m,a);
}
*/

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