제출 #228036

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
228036		staniewzki	자동 인형 (IOI18_doll)	C++17	28 / 100	138 ms	8952 KiB

doll

#include<bits/stdc++.h>
using namespace std;
 
#define REP(i, n) for(int i = 0; i < n; i++)
#define FOR(i, a, b) for(int i = a; i <= b; i++)
#define ST first
#define ND second
 
ostream& operator<<(ostream &out, string str) {
	for(char c : str) out << c;
	return out;
}
 
template<class L, class R> ostream& operator<<(ostream &out, pair<L, R> p) {
	return out << "(" << p.ST << ", " << p.ND << ")";
}
 
template<class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) {
	out << "{";
	for(auto it = a.begin(); it != a.end(); it = next(it))
		out << (it != a.begin() ? ", " : "") << *it;
	return out << "}";
}
 
void dump() { cerr << "\n"; }
template<class T, class... Ts> void dump(T a, Ts... x) {
	cerr << a << ", ";
	dump(x...);
}
 
#ifdef DEBUG
#  define debug(...) cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
#else
#  define debug(...) false
#endif
 
template<class T> int size(T && a) { return (int) a.size(); }
 
using LL = long long;
using PII = pair<int, int>;

#include "doll.h"

void create_circuit(int M, vector<int> A) {
	A.emplace_back(0);
	int dep = 0;
	while((1 << dep) < size(A))
		dep++;
	reverse(A.begin(), A.end());

	vector<int> x, y;
	auto construct = [&](auto self, int d, vector<int> t)  {
		if(size(t) == 0) return -1;
		if(d == 0) return t[0];

		x.emplace_back(), y.emplace_back();
		int v = size(x) - 1;
		int q = min(1 << (d - 1), size(t));

		vector<int> l, r;
		REP(i, size(t)) {
			if(i % 2 == 1 && size(l) < size(t) - q) 
				l.emplace_back(t[i]);
			else
				r.emplace_back(t[i]);
		}

		x[v] = self(self, d - 1, l);
		y[v] = self(self, d - 1, r);
		return -(v + 1);
	};

	construct(construct, dep, A);
	answer(vector<int>(M + 1, -1), x, y);
}

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