#include "dango3.h"
#include <bits/stdc++.h>
#define IO ios::sync_with_stdio(false);cin.tie(0);
#define debug(x) cerr << #x << " = " << (x) << ' '
#define endl cerr << '\n'
#define all(v) (v).begin(), (v).end()
#define SZ(v) (ll)(v).size()
#define lowbit(x) (x)&-(x)
#define pb emplace_back
#define F first
#define S second
using namespace std;
using ll = long long;
using pll = pair<ll, ll>;
const int N = 1e5+5;
ll n, m;
bool in[N], in2[N];
vector<int> v, v2;
/*
int a[50], ccnt[50], tot;
vector<int> ans[50];
inline int Query(vector<int> &v)
{
cout << "? ";
for (int x : v) cout << x << ' ';
cout << '\n';
int mn = 2e9;
for (int i=1; i <= n; ++i) ccnt[i] = 0;
for (int x : v) ++ccnt[a[x]];
for (int i=1; i <= n; ++i) mn = min(mn, ccnt[i]);
int ret = mn;
//cin >> ret;
return ret;
}
inline void Answer(vector<int> &v)
{
cout << "! ";
for (int x : v) cout << x << ' ';
cout << '\n';
++tot;
ans[tot] = v;
}*/
inline void Solve(int tmp1, int tmp2)
{
ll i, j, cur=0, cnt, pre=-1;
n = tmp1, m = tmp2;
for (i=1; i <= n*m; ++i) in[i] = 1;
for (int t=1; t <= m; ++t)
{
for (cur=1; cur <= n*m; ++cur) if (in[cur]) break;
if (cur > n*m) break;
for (i=1; i <= n*m; ++i) in2[i] = 0;
in2[cur] = 1, cnt = 1;
for (i=1; i <= n*m; ++i)
{
if (!in[i] || cur == i) continue;
in2[i] = 1;
v.clear();
for (j=1; j <= n*m; ++j)
{
if (!in[j] || in2[j]) continue;
v.pb(j);
}
int ret = Query(v);
if (ret != m-t) in2[i] = 0;
else ++cnt;
if (cnt == n) break;
}
if (cnt != n) assert(0);
v.clear();
for (i=1; i <= n*m; ++i)
if (in2[i]) v.pb(i), in[i] = 0, in2[i] = 0;
Answer(v);
}
}
/*
int main(void)
{
int n, m;
cin >> n >> m;
for (int i=1; i <= n*m; ++i) cin >> a[i];
Solve(n, m);
for (int i=1; i <= tot; ++i)
{
for (int x : ans[i]) cout << x << ' ';
cout << '\n';
}
return 0;
}*/
Compilation message
dango3.cpp: In function 'void Solve(int, int)':
dango3.cpp:51:26: warning: unused variable 'pre' [-Wunused-variable]
51 | ll i, j, cur=0, cnt, pre=-1;
| ^~~
/usr/bin/ld: /tmp/ccPDB4HG.o: in function `main':
grader.cpp:(.text.startup+0x111): undefined reference to `Solve(int, int)'
collect2: error: ld returned 1 exit status