oj.uz

답안 #1080094

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1080094 2024-08-29T06:57:11 Z Tozzyyyy 도서관 (JOI18_library) C++17
0 / 100
 26 ms 588 KB 
#include <cstdio>
#include <vector>
#include "library.h"
using namespace std;

void Solve(int n)
{
	int lst = -1;
	int cur = 1;
	vector<vector<int>> adj(n+1 ,vector<int>());
	
	int cnt = 0;
	while(cnt < n - 1){
		vector<int> t;
		for(int j = 1 ; j <= n ; j++){
			if(cur == j or j == lst) continue;
			t.push_back(j);
		}

		int l = 0 , r = t.size()-1;
		int res = -1;
		while(l <= r){
			int mid = l + r  >> 1;
			vector<int> m(n);
			for(int j = 0 ; j <=mid ; j++) m[t[j]] = 1;
			int c1 = Query(m);
			m[cur-1] = 1;
			int c2 = Query(m);
			if(c1 == c2) res = mid , r = mid-1;
			else l = mid+1;
		}

		if(res == -1){
			cur = 1;
			lst = adj[1][0];
		}else{
			res = t[res];
			adj[cur].push_back(res);
			lst = cur , cur = res, cnt++;
		}
	}

	vector<int> res;
	for(int i = 1; i <= n ; i++){
		if(adj[i].size() == 1){
			int t = i , p = i;
			while(1){
				res.push_back(t);
				int c = 0;
				for(auto x : adj[t]) if(x != p) p = t , t = x , c = 1;
				if(c == 0) break;
			}
		}
	}
	Answer(res);
}

Compilation message

library.cpp: In function 'void Solve(int)':
library.cpp:23:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   23 |    int mid = l + r  >> 1;
      |              ~~^~~

Subtask #1
0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 26 ms 588 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -

Subtask #2
0 / 81.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 26 ms 588 KB Wrong Answer [4]
2 Halted 0 ms 0 KB -