Submission #881902

#	Time	Username	Problem	Language	Result	Execution time	Memory
881902		8pete8	Carnival (CEOI14_carnival)	C++14	0 / 100	3 ms	600 KiB

carnival

#include<iostream>
#include<stack>
#include<map>
#include<vector>
#include<string>
#include<unordered_map>
#include <queue>
#include<cstring>
#include<limits.h>
#include<cmath>
#include<set>
#include<algorithm>
#include <iomanip>
#include<numeric>
#include<bitset>
using namespace std;
#define ll long long
#define f first
#define endl "\n"
#define s second
#define pii pair<int,int>
#define ppii pair<int,pii>
#define vi vector<int>
#define pb push_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define F(n) for(int i=0;i<n;i++)
#define lb lower_bound
#define ub upper_bound
#define fastio ios::sync_with_stdio(false);cin.tie(NULL);
#pragma GCC optimize ("03,unroll-lopps")
#define int long long
using namespace std;
const int mod=1e9+7,mxn=1e3+5,lg=30,inf=1e18,minf=-1e18;
int pa[mxn+10];
int find(int u){return pa[u]==u?u:pa[u]=find(pa[u]);}
int32_t main(){
	int n,m;cin>>n;
	for(int i=1;i<=n;i++)pa[i]=i;
	vector<int>v;
	for(int i=1;i<=n;i++){
		cout<<v.size()+1<<" ";
		cout<<i<<" ";
		for(auto j:v)cout<<j<<" ";
		cout<<endl;
		cin>>m;
		if(m==v.size()+1)v.pb(i);
		else{
			int l=0,r=v.size()-1,pos=inf;
			while(l<=r){
				int mid=(l+r)/2;
				cout<<mid+2<<" ";
				cout<<i<<" ";
				for(int j=0;j<=mid;j++)cout<<v[j]<<" ";
				cout<<endl;
				cin>>m;
				if(m==mid+1)r=mid-1,pos=min(pos,mid);
				else l=mid+1;
			}
			pa[i]=v[pos];
		}
	}
	cout<<0<<" ";
	for(int i=1;i<=n;i++)cout<<find(pa[i])<<" ";
	cout<<endl;
	return 0;
}

Compilation message (stderr)

carnival.cpp:31:40: warning: bad option '-funroll-lopps' to pragma 'optimize' [-Wpragmas]
   31 | #pragma GCC optimize ("03,unroll-lopps")
      |                                        ^
carnival.cpp:36:15: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   36 | int find(int u){return pa[u]==u?u:pa[u]=find(pa[u]);}
      |               ^
carnival.cpp:37:14: warning: bad option '-funroll-lopps' to attribute 'optimize' [-Wattributes]
   37 | int32_t main(){
      |              ^
carnival.cpp: In function 'int32_t main()':
carnival.cpp:47:7: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |   if(m==v.size()+1)v.pb(i);
      |      ~^~~~~~~~~~~~

• Subtask 1: 0 / 20
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20