Submission #1134201

#	Time	Username	Problem	Language	Result	Execution time	Memory
1134201		lopkus	Library (JOI18_library)	C++20	Compilation error	0 ms	0 KiB

library

#include <bits/stdc++.h>

#include "library.h"

using namespace std;

void Solve(int n){
	vector<int> s[n + 1];
	for(int i = 0; i < n; i++) {
        for(int j = i + 1; j < n; j++) {
            vector<int> ask(n, 0);
            ask[i] = 1;
            ask[j] = 1;
            int u = query(ask);
            if(u) {
                s[i + 1].push_back(j + 1);
                s[j + 1].push_back(i + 1);
            }
        }
	}
	int start = - 1;
	for(int i = 0 ; i < n; i++) {
        if(s[i].size() == 1) {
            start = i;
        }
	}
	vector<int> ans(n);
	int idx = 0;
	vector<int> was(n + 1, 0);
	for(int i = 0; i < n; i++) {
        ans[i] = start;
        was[start] = 1;
        int next = - 1;
        for(auto it : s[start]) {
            if(was[it]) {
                continue;
            }
            next = it;
            break;
        }
        start = next;
	}
	Answer(ans);
}

Compilation message (stderr)

library.cpp: In function 'void Solve(int)':
library.cpp:14:21: error: 'query' was not declared in this scope; did you mean 'Query'?
   14 |             int u = query(ask);
      |                     ^~~~~
      |                     Query