Submission #344015

#	Time	Username	Problem	Language	Result	Execution time	Memory
344015		juggernaut	Library (JOI18_library)	C++14	19 / 100	332 ms	620 KiB

library

#include<bits/stdc++.h>
#include"library.h"
#ifdef EVAL
#else
#include"grader.cpp"
#endif
using namespace std;
vector<int>g[205],ans;
void dfs(int v,int p){
    ans.push_back(v+1);
    for(int to:g[v])if(to!=p)dfs(to,v);
}
void Solve(int n){
    vector<int>m;
    for(int i=0;i<n;i++)m.push_back(0);
    for(int i=0;i+1<n;i++){
        for(int j=i+1;j<n;j++){
            m[i]=m[j]=1;
            if(Query(m)==1){
                g[i].push_back(j);
                g[j].push_back(i);
            }
            m[i]=m[j]=0;
        }
    }
    int root;
    for(int i=0;i<n;i++)if(g[i].size()==1)root=i;
    dfs(root,root);
    Answer(ans);
}

Compilation message (stderr)

library.cpp: In function 'void Solve(int)':
library.cpp:28:8: warning: 'root' may be used uninitialized in this function [-Wmaybe-uninitialized]
   28 |     dfs(root,root);
      |     ~~~^~~~~~~~~~~

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