Submission #471850

#	Time	Username	Problem	Language	Result	Execution time	Memory
471850		dennisstar	Memory 2 (JOI16_memory2)	C++17	100 / 100	1 ms	288 KiB

memory2

#include "Memory2_lib.h"
#include <bits/stdc++.h>

using namespace std;

void Solve(int t, int n) {
	vector<int> val(2*n, -1), cnt(n, 0);
	vector<vector<int>> st(n);
	priority_queue<int> pq;
	for (int i=0; i<2*n; i++) pq.emplace(i);
	int lx;
	while (pq.size()) {
		int x=pq.top();
		pq.pop();
		while (pq.size()) {
			int y=pq.top();
			pq.pop();
			int r=Flip(x, y);
			if (st[r].size()+cnt[r]==2) {
				val[x]=r;
				cnt[r]++;
				pq.emplace(y);
				for (auto &i:st[r]) pq.emplace(i);
				for (int i=0; i<n; i++) {
					if (i!=r) for (auto &j:st[i]) val[j]=i, cnt[i]++;
					st[i].clear();
				}
				break;
			}
			st[r].emplace_back(y);
		}
		lx=x;
	}
	for (int i=0; i<2*n; i++) if (val[i]!=-1) st[val[i]].emplace_back(i);
	for (int i=0; i<n; i++) {
		if (st[i].size()==1) st[i].emplace_back(lx);
		Answer(st[i][0], st[i][1], i);
	}
}

• Subtask 1: 10 / 10
• Subtask 2: 50 / 50
• Subtask 3: 40 / 40