Submission #656571

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
656571	2022-11-08 01:48:23	haojiandan	Library (JOI18_library)	C++14	Compilation error	0 ms	0 KiB

library

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#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;
  if (n==1) return {1};
  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);
}
 
 
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Compilation message (stderr)

library.cpp: In function 'void Solve(int)':
library.cpp:14:21: error: return-statement with a value, in function returning 'void' [-fpermissive]
   14 |  if (n==1) return {1};
      |                     ^