Submission #804148

#	Time	Username	Problem	Language	Result	Execution time	Memory
804148		vjudge1	Library (JOI18_library)	C++14	Compilation error	0 ms	0 KiB

library

#include<bits/stdc++.h>
#include<library.h>
using namespace std ;
const int N = 1000 ;
//int query(vector<int>& v)
//{
//    int num ;
//    cout << "? " ;
//    for(int i : v)
//        cout << i << ' ' ;
//    cout << '\n' ;
//    cin >> num ;
//    return num ;
//}
//void Answer(vector<int>&res)
//{
//    cout << "! " ;
//    for(int i : res)
//        cout << i << ' ' ;
//    exit(0) ;
//}
void Solve(int n)
{
    vector<int> ans ;
    deque<int> d ;
    if(n <= 200)
    {
        bool us[N + 1] = {} ;
        us[1] = 1 ;
        int r ;
        d.push_back(1) ;
        while(d.size() != n)
        {
            r = d.size() - 1 ;
            for(int i = 1 ; i <= n ; i++)
            {
                if(us[i])
                    continue ;
                vector<int> v ;
                v.push_back(d[r]) ;
                v.push_back(i) ;
                if(query(v) == 1)
                {
                    us[i] = 1 ;
                    d.push_back(i) ;
                    break ;
                }
            }
            for(int i = 1 ; i <= n ; i++)
            {
                if(us[i])
                    continue ;
                vector<int> v ;
                v.push_back(d[0]) ;
                v.push_back(i) ;
                if(query(v) == 1)
                {
                    us[i] = 1 ;
                    d.push_front(i) ;
                    break ;
                }
            }
        }
        for(int i : d)
            ans.push_back(i) ;
        Answer(ans) ;
    }
}
//signed main()
//{
//    int n ;
//    cin >> n ;
//    Solve(n) ;
//    return 0 ;
//}

Compilation message (stderr)

library.cpp: In function 'void Solve(int)':
library.cpp:32:24: warning: comparison of integer expressions of different signedness: 'std::deque<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   32 |         while(d.size() != n)
      |               ~~~~~~~~~^~~~
library.cpp:42:20: error: 'query' was not declared in this scope; did you mean 'Query'?
   42 |                 if(query(v) == 1)
      |                    ^~~~~
      |                    Query
library.cpp:56:20: error: 'query' was not declared in this scope; did you mean 'Query'?
   56 |                 if(query(v) == 1)
      |                    ^~~~~
      |                    Query