제출 #656570

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
656570	2022-11-08 01:47:49	haojiandan	도서관 (JOI18_library)	C++14	0 / 100	171 ms	324 KiB

library

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
#include <bits/stdc++.h>
#include "library.h"
using namespace std;
int n,p[1010];
vector<int> g[1010];
int tot,d[1010];
void dfs(int u,int p) {
  d[++tot]=u;
  for (int &v : g[u]) if (v!=p) dfs(v,u);
}
void Solve(int _n) {
  n=_n;
  for (int i=1;i<=n;i++) {
    for (int j=i+1;j<=n;j++) p[j]=j;
    random_shuffle(p+i+1,p+n+1);
    for (int j=i+1;j<=n&&(int)g[i].size()<2;j++) {
      vector<int> Q(n);
      Q[i-1]=Q[p[j]-1]=1;
      if (Query(Q)==1) g[i].push_back(p[j]),g[p[j]].push_back(i);
    }
  }
  int x;
  for (int i=1;i<=n;i++) if ((int)g[i].size()==1) { x=i; break; }
  dfs(x,0);
  vector<int> ans(n);
  for (int i=1;i<=n;i++) ans[i-1]=d[i];
  Answer(ans);
}
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

컴파일 시 표준 에러 (stderr) 메시지

library.cpp: In function 'void Solve(int)':
library.cpp:23:6: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
   23 |  int x;
      |      ^

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81