Submission #333734

#	Time	Username	Problem	Language	Result	Execution time	Memory
333734		nicholask	Mechanical Doll (IOI18_doll)	C++14	Compilation error	0 ms	0 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){
	int n=a.size();
	vector <int> nxt[m+1];
	a.push_back(0);
	for (int i=0; i<n; i++){
		nxt[a[i]].push_back(a[i+1]);
	}
	bool ok=1;
	for (int i=1; i<=m; i++){
		//for (auto&j:nxt[i]) cout<<j<<' ';
		//cout<<endl;
		if (nxt[i].size()>4){
			ok=0;
			break;
		}
	}
	vector <int> c(m+1,0),x,y;
	int cur=0;
	if (ok){
		c[0]=a[0];
		map <int,int> p;
		for (int i=1; i<=n; i++){
			if (nxt[a[i-1]].size()==1){
				c[a[i-1]]=a[i];
			} else if (nxt[a[i-1]].size()==2){
				if (p.count(a[i-1])) c[a[i-1]]=p[a[i-1]];
				else {
					cur--;
					p[a[i-1]]=cur;
					c[a[i-1]]=cur;
					x.push_back(nxt[a[i-1]][0]);
					y.push_back(nxt[a[i-1]][1]);
				}
			} else if (nxt[a[i-1]].size()==3){
				if (p.count(a[i-1])) c[a[i-1]]=p[a[i-1]];
				else {
					cur--;
					p[a[i-1]]=cur;
					c[a[i-1]]=cur;
					x.push_back(cur-1);
					y.push_back(cur-2);
					cur--;
					x.push_back(nxt[a[i-1]][0]);
					y.push_back(nxt[a[i-1]][1]);
					cur--;
					x.push_back(nxt[a[i-1]][2]);
					y.push_back(cur+2);
				}
			} else if (nxt[a[i-1]].size()==4){
				if (p.count(a[i-1])) c[a[i-1]]=p[a[i-1]];
				else {
					cur--;
					p[a[i-1]]=cur;
					c[a[i-1]]=cur;
					x.push_back(cur-1);
					y.push_back(cur-2);
					cur--;
					x.push_back(nxt[a[i-1]][0]);
					y.push_back(nxt[a[i-1]][2]);
					cur--;
					x.push_back(nxt[a[i-1]][1]);
					y.push_back(nxt[a[i-1]][3]);
				}
			}
		}
	}
	answer(c,x,y);
	return;
}
/*
int main(){
	int n,m;
	cin>>n>>m;
	vector <int> a;
	for (int i=0; i<n; i++){
		int t;
		cin>>t;
		a.push_back(t);
	}
	create_circuit(m,a);
}
*/

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:84:2: error: 'answer' was not declared in this scope
   84 |  answer(c,x,y);
      |  ^~~~~~