답안 #475417

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
475417 2021-09-22T10:12:03 Z prvocislo 도서관 (JOI18_library) C++17
100 / 100
455 ms 568 KB
#include <cstdio>
#include <vector>
#include "library.h"
using namespace std;

const int maxn = 1005;
vector<int> g[maxn], ans;
bool vis[maxn];
int n;
vector<pair<int, int> > e;
int count_edges(int l, int r)
{
	int cnt = 0;
	for (pair<int, int> i : e) cnt += (l <= i.first && i.second <= r);
	return cnt;
}
bool extra_edge(int l, int r)
{
	vector<int> ask(n, 0);
	for (int i = l; i <= r; i++)
		ask[i] = 1;
	int e = r - l + 1 - Query(ask);
	return e > count_edges(l, r);
}
void dfs(int u)
{
	ans.push_back(u+1);
	vis[u] = true;
	for (int v : g[u]) if (!vis[v])
		dfs(v);
}
void Solve(int N)
{
	n = N;
	for (int it = 0; it < n - 1; it++)
	{
		int li = 1, ri = n - 1;
		while (li < ri)
		{
			int mi = (li + ri) >> 1;
			if (extra_edge(0, mi)) ri = mi;
			else li = mi + 1;
		}
		int lj = 0, rj = ri - 1;
		while (lj < rj)
		{
			int mj = (lj + rj + 1) >> 1;
			if (extra_edge(mj, ri)) lj = mj;
			else rj = mj - 1;
		}
		e.push_back({ rj, ri });
		g[ri].push_back(rj);
		g[rj].push_back(ri);
	}
	for (int i = 0; i < n; i++) if (g[i].size() < 2)
	{
		dfs(i);
		break;
	}
	Answer(ans);
}
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 308 KB # of queries: 2792
2 Correct 51 ms 200 KB # of queries: 2777
3 Correct 53 ms 200 KB # of queries: 2922
4 Correct 38 ms 316 KB # of queries: 2915
5 Correct 46 ms 300 KB # of queries: 2928
6 Correct 46 ms 200 KB # of queries: 2930
7 Correct 46 ms 200 KB # of queries: 2920
8 Correct 46 ms 200 KB # of queries: 2777
9 Correct 50 ms 200 KB # of queries: 2911
10 Correct 23 ms 300 KB # of queries: 1717
11 Correct 0 ms 200 KB # of queries: 0
12 Correct 0 ms 200 KB # of queries: 0
13 Correct 1 ms 200 KB # of queries: 3
14 Correct 1 ms 200 KB # of queries: 9
15 Correct 2 ms 200 KB # of queries: 99
16 Correct 5 ms 200 KB # of queries: 228
# 결과 실행 시간 메모리 Grader output
1 Correct 46 ms 308 KB # of queries: 2792
2 Correct 51 ms 200 KB # of queries: 2777
3 Correct 53 ms 200 KB # of queries: 2922
4 Correct 38 ms 316 KB # of queries: 2915
5 Correct 46 ms 300 KB # of queries: 2928
6 Correct 46 ms 200 KB # of queries: 2930
7 Correct 46 ms 200 KB # of queries: 2920
8 Correct 46 ms 200 KB # of queries: 2777
9 Correct 50 ms 200 KB # of queries: 2911
10 Correct 23 ms 300 KB # of queries: 1717
11 Correct 0 ms 200 KB # of queries: 0
12 Correct 0 ms 200 KB # of queries: 0
13 Correct 1 ms 200 KB # of queries: 3
14 Correct 1 ms 200 KB # of queries: 9
15 Correct 2 ms 200 KB # of queries: 99
16 Correct 5 ms 200 KB # of queries: 228
17 Correct 331 ms 456 KB # of queries: 19283
18 Correct 358 ms 332 KB # of queries: 19027
19 Correct 396 ms 340 KB # of queries: 19254
20 Correct 381 ms 568 KB # of queries: 18004
21 Correct 344 ms 336 KB # of queries: 16924
22 Correct 372 ms 468 KB # of queries: 19268
23 Correct 428 ms 464 KB # of queries: 19228
24 Correct 152 ms 440 KB # of queries: 8882
25 Correct 455 ms 464 KB # of queries: 18812
26 Correct 349 ms 456 KB # of queries: 17594
27 Correct 143 ms 308 KB # of queries: 8847
28 Correct 434 ms 460 KB # of queries: 18932
29 Correct 350 ms 464 KB # of queries: 18911
30 Correct 387 ms 460 KB # of queries: 18932