#pragma GCC optimize("Ofast")
#pragma GCC optimize("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
// #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 fi first
#define se second
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 N = 2e5+5;
const int mod = 998244353;
const int SQ = 450;
const int inf = 1e9+1;
int n,ans[N],cnt;
vector<pair<int,int>> edges;
vector<int> ask(int l,int r)
{
cout<<r-l+1<<' ';
for(int i=l;i<=r;i++) cout<<i<<' ';
cout<<endl;
int res; cin>>res;
return res;
}
signed main()
{
fastIO
// freopen("in.txt","r",stdin);
// freopen("out.txt","w",stdout);
cin>>n;
for(int i=1;i<=n;i++)
{
if(ask(1,i)!=ask(1,i-1))
{
ans[i]=cnt++;
continue;
}
int r=i-1,l=0;
while(l<r-1)
{
int m=l+r>>1;
if(ask(m,i)==ask(m,i-1)) r=i;
else l=i;
}
ans[i]=ans[r];
}
for(int i=1;i<=n;i++) cout<<ans[i]<<' ';
}
Compilation message
carnival.cpp: In function 'std::vector<long long int> ask(long long int, long long int)':
carnival.cpp:32:12: error: could not convert 'res' from 'long long int' to 'std::vector<long long int>'
32 | return res;
| ^~~
| |
| long long int
carnival.cpp: In function 'int main()':
carnival.cpp:51:20: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
51 | int m=l+r>>1;
| ~^~
