Kirjat

input/code.cpp:9:16: error: '::main' must return 'int'
 long long main() {
                ^

#include <iostream>
#include <string>
#include <vector>
#include <map>

using namespace std;


long long main() {
	cin.sync_with_stdio(false);

	long long onum, num;
	vector<long long> uList, mList, newList, retList;

	cin >> onum;
	num = onum;
	while (num--) {
		long long a;
		cin >> a;
		uList.push_back(a-1);
	}
	num = onum;
	while (num--) {
		long long a;
		cin >> a;
		mList.push_back(a-1);
	}
	vector<long long> alive;
	map<long long, long long> iddata, iddata2;
	map<long long, long long> bldata;
	for (long long i = 0; i < onum; i++) {
		alive.push_back(i);
		iddata[i] = 0;
		iddata2[i] = 0;
		bldata[i] = 0;
	}

	for (long long h = 0; h < onum; h++) {

		bldata[uList[h]] = 1;
		bldata[mList[h]] = 1;

		iddata[uList[h]]++;
		iddata[mList[h]]++;
		if (h == 0) {
			iddata2[uList[h+1]] = bldata[uList[h]] + 1;
			iddata2[mList[h+1]] = bldata[mList[h]] + 1;
		}
		else if (h != onum - 1) {
			iddata2[uList[h+1]]++;
			iddata2[mList[h+1]]++;
		}
		

		long long max = onum;
		long long maxid = 0;
		for (long long i = 0; i < onum - h; i++) {
			if (bldata[alive[i]] == 0 && iddata2[alive[i]] < max) {
				max = iddata[alive[i]];
				maxid = i;
			}
		}
		bldata[uList[h]] = 0;
		bldata[mList[h]] = 0;

		retList.push_back(alive[maxid]+1);
		alive.erase(alive.begin() + maxid);

	}
	for (long long i = 0; i < onum; i++){
		cout << (long long)retList[i] << " ";
	}
}