#include <cstdio>
#include <vector>
#include <bits/stdc++.h>
#include "library.h"
// #include "debug_local.h"
using namespace std;
void Solve(int n) {
vector<int> edge[n + 1];
vector<int> old(n);
int old_answer = 0;
for (int i = 1; i <= n; i++) {
vector<int> nw = old;
nw[i - 1] = 1;
int new_answer = Query(nw);
debug(old_answer, new_answer);
if (old_answer + 1 == new_answer) {
old_answer = new_answer;
old = nw;
continue;
}
int lo = 1, hi = i - 1;
while (lo < hi) {
int mid = (lo + hi) / 2;
vector<int> q(n);
for (int j = 1; j <= mid; j++) q[j - 1] = 1;
// debug(q);
int x = Query(q);
q[i - 1] = 1;
int y = Query(q);
// debug(x, q, y);
if (y > x) lo = mid + 1;
else hi = mid;
// debug(lo, hi);
}
// cout << lo << " " << i << endl;
edge[lo].push_back(i);
edge[i].push_back(lo);
if (new_answer < old_answer) {
lo = 1, hi = i - 1;
while (lo < hi) {
int mid = (lo + hi) / 2;
vector<int> q(n);
for (int j = 1; j <= mid; j++) q[j - 1] = 1;
int x = Query(q);
q[i - 1] = 1;
int y = Query(q);
if (x <= y) lo = mid + 1;
else hi = mid;
}
edge[lo].push_back(i);
edge[i].push_back(lo);
}
old_answer = new_answer;
old = nw;
}
int start;
for (int i = 1; i <= n; i++) {
if ((int) edge[i].size() == 1) start = i;
}
vector<bool> vis(n + 1);
vector<int> ans;
while ((int) ans.size() < n) {
ans.push_back(start);
vis[start] = true;
for (int next : edge[start]) {
if (!vis[next]) {
start = next;
break;
}
}
}
Answer(ans);
}
Compilation message
library.cpp: In function 'void Solve(int)':
library.cpp:15:7: error: 'debug' was not declared in this scope
15 | debug(old_answer, new_answer);
| ^~~~~
