Submission #1290657

#	Time	Username	Problem	Language	Result	Execution time	Memory
1290657		ey00	Xylophone (JOI18_xylophone)	C++20	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
using namespace std;
void solve(int N) {
    vector<bool> used(N+1,false);
    for(int i=1;i<=N;i++){
        for(int val=1; val<=N; val++){
            if(used[val]) continue;
            int diff = query(i,i);
            used[val] = true;
            answer(i,val);
            break;
        }
    }
}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:8:24: error: 'query' was not declared in this scope
    8 |             int diff = query(i,i);
      |                        ^~~~~
xylophone.cpp:10:13: error: 'answer' was not declared in this scope
   10 |             answer(i,val);
      |             ^~~~~~