#include<library.h>
#include <bits/stdc++.h>
using namespace std;
#define int long long
// #define double long double
#define endl '\n'
#define fastIO ios_base::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);
#define setmin(x, y) x = min((x), (y))
#define setmax(x, y) x = max((x), (y))
#define sqr(x) ((x) * (x))
#define fi first
#define se second
#define aint(x) x.begin(), x.end()
// mt19937 hdp(chrono::high_resolution_clock::now().time_since_epoch().count());
// int rand(int l, int r){return l + ((hdp() % (r - l + 1)) + r - l + 1) % (r - l + 1);}
const int NM = 1e5 + 5;
const int mod = 998244353;
vector<int> g[NM];
set<int> s;
int ask(int x, int y)
{
vector<int> t;
if (y)
t.push_back(y);
auto it = s.begin();
for (int i = 1; i <= x; i++, it = next(it))
t.push_back(*it);
return Query(t);
}
int get(int x)
{
auto it = s.begin();
x--;
while (x--)
it = next(it);
return *it;
}
void Solve(int n)
{
if (n == 1)
{
Query(vector<int>(1, 1));
return;
}
for (int i = 1; i <= n; i++)
s.insert(i);
for (int i = 1; i <= n; i++)
{
s.erase(i);
while (g[i].size() < 2)
{
if (ask(s.size(), i) != ask(s.size(), 0))
break;
int l = 0, r = s.size();
while (l < r - 1)
{
int m = l + r >> 1;
if (ask(m, i) == ask(m, 0))
r = m;
else
l = m;
}
g[i].push_back(get(r));
}
}
for (int i = 1; i <= n; i++)
if (g[i].size() == 1)
{
vector<int> res;
s.insert(i);
int u = i;
while (1)
{
res.push_back(u);
bool b = 0;
for (auto v : g[u])
if (s.find(v) == s.end())
{
b = 1;
u = v;
break;
}
if (!b)
break;
}
Query(res);
return;
}
}
Compilation message
library.cpp: In function 'long long int ask(long long int, long long int)':
library.cpp:33:18: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
33 | return Query(t);
| ^
In file included from library.cpp:1:
library.h:2:35: note: in passing argument 1 of 'int Query(const std::vector<int>&)'
2 | int Query(const std::vector<int>& M);
| ~~~~~~~~~~~~~~~~~~~~~~~~^
library.cpp: In function 'void Solve(long long int)':
library.cpp:49:15: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
49 | Query(vector<int>(1, 1));
| ^~~~~~~~~~~~~~~~~
In file included from library.cpp:1:
library.h:2:35: note: in passing argument 1 of 'int Query(const std::vector<int>&)'
2 | int Query(const std::vector<int>& M);
| ~~~~~~~~~~~~~~~~~~~~~~~~^
library.cpp:64:27: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
64 | int m = l + r >> 1;
| ~~^~~
library.cpp:93:23: error: invalid initialization of reference of type 'const std::vector<int>&' from expression of type 'std::vector<long long int>'
93 | Query(res);
| ^~~
In file included from library.cpp:1:
library.h:2:35: note: in passing argument 1 of 'int Query(const std::vector<int>&)'
2 | int Query(const std::vector<int>& M);
| ~~~~~~~~~~~~~~~~~~~~~~~~^
