Submission #994832

#	Time	Username	Problem	Language	Result	Execution time	Memory
994832		Dzadzo	Library (JOI18_library)	C++14	0 / 100	19 ms	2708 KiB

library

#include <bits/stdc++.h>
#include "library.h"
#define ll long long
#define pb push_back
#define S second
#define F first
#define pii pair<int,int>
#define vi vector <int>
#define vvi vector <vi>
#define vvvi vector <vvi>
#define vp vector <pii>
#define vvp vector <vp>
#define vb vector <bool>
#define vvb vector <vb>;
#define INF INT_MAX
#define MOD 1000000007
#define MAXN 100000
using namespace std;
map <vi,int >MP;
/*int Query(const vi &v){
	int cnt=0;
	for (int x:v)if (x)cnt++;
	if (cnt==1 || cnt==n)return 1;
    if (!MP[v]){
    	for (int x:v)cout<<x;cout<<"\n";
    	cin>>MP[v];
    }
	return MP[v];
}
void Answer(const vi &v){
	cout<<"ANS";
	for (int x:v)cout<<x<<" ";
}*/
vvi arr;
int N;
int get(int l,int r,int idx1,int idx2){
	vi M(N);
	for (int i=l;i<=r;i++){
		for (int x:arr[i])M[x-1]=1;
	}
	if(idx1)M[idx1-1]=1;
	if(idx2)M[idx2-1]=1;

	int cnt=0;
	for (int x:M)if(x)cnt++;
	if (cnt==1 || cnt==N)return 1;
	if (MP[M])return MP[M]; 
	return MP[M]=Query(M);
}
void Solve(int n){
	N=n;
	arr.pb({1});
	int res=1;
	for (int i=2;i<=n;i++){
		int val=get(0,arr.size()-1,i,0);
		if (val==res+1){
			arr.pb({i});
			res++;
		}else if (val==res){
			int ind=-1;
			for (int bit=9;bit>=0;bit--){
				if (ind+(1<<bit)>=arr.size())continue;
				if (get(0,ind+(1<<bit),i,0)>get(0,ind+(1<<bit),0,0))ind+=(1<<bit);
			}
			ind++;//aq aris i
			if (get(0,-1,arr[ind][0],i)==1){
				arr[ind].insert(arr[ind].begin(),i);
			}else{
				arr[ind].pb(i);
			}
		}else if (val==res-1){
			int ind=-1;
			for (int bit=9;bit>=0;bit--){
				if (ind+(1<<bit)>=arr.size())continue;
				if (get(0,ind+(1<<bit),i,0)>get(0,ind+(1<<bit),0,0))ind+=(1<<bit);
			}
			ind++;//aq aris i
			vi newarr;
			if (get(0,-1,arr[ind][0],i)==1){
				for (int x:arr[ind+1])newarr.pb(x);
				newarr.pb(i);
				for (int x:arr[ind])newarr.pb(x);
			}else{
				for (int x:arr[ind])newarr.pb(x);
				newarr.pb(i);
				for (int x:arr[ind+1])newarr.pb(x);
			}
			vvi NEWarr;
			for (int i=0;i<arr.size();i++){
				if (i==ind || i==ind+1)continue;
				NEWarr.pb(arr[i]);
			}
			NEWarr.pb(newarr);
			arr=NEWarr;
			res--;
		}
		
	}
	Answer(arr[0]);
}
/*signed main(){	
	int c;
	cin>>c;
	Solve(c);
}*/

Compilation message (stderr)

library.cpp: In function 'void Solve(int)':
library.cpp:62:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |     if (ind+(1<<bit)>=arr.size())continue;
      |         ~~~~~~~~~~~~^~~~~~~~~~~~
library.cpp:74:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     if (ind+(1<<bit)>=arr.size())continue;
      |         ~~~~~~~~~~~~^~~~~~~~~~~~
library.cpp:89:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |    for (int i=0;i<arr.size();i++){
      |                 ~^~~~~~~~~~~

• Subtask 1: 0 / 19
• Subtask 2: 0 / 81