Submission #1348139

#TimeUsernameProblemLanguageResultExecution timeMemory
1348139ender_shayanLibrary (JOI18_library)C++20
0 / 100
8 ms1256 KiB
#include <bits/stdc++.h>

#include "library.h"
using namespace std;

// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
// using namespace __gnu_pbds;

typedef long long ll;
typedef long double	ld;
typedef pair<int, int>	pii  ;
typedef pair<ll, ll>	pll  ;
typedef vector<pii>     vii  ;
typedef vector<int>     veci ;
typedef vector<pll>     vll  ;
typedef vector<ll>      vecll;

// find_by_order             order_of_key

//#pragma GCC optimize("O3,unroll-loops")
//#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
#define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update>
#define F		        first
#define S		        second
#define pb		        push_back
#define endl            '\n'
#define Mp		        make_pair
#define all(x)          x.begin(), x.end()
#define debug(x)        cerr << #x << " = " << x << endl
#define set_dec(x)	    cout << fixed << setprecision(x);
#define fast_io         ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io         freopen("in.txt" , "r" , stdin) ; freopen("out.txt" , "w" , stdout);
#define lb              lower_bound
#define ub              upper_bound
#define for1(n)         for(int i=1;i<=n;i++)
#define for0(n)         for(int i=0;i<n;i++)
#define forn(n)         for(int i=n;i>0;i--)
#define pq              priority_queue <pii, vector<pii>, greater<pii>>


const ll mod = 1e9+7 ;// 998244353 ;// 1e9+9;

ll inf=1e18;
const int N=3e3+100,L=21,bs=701,NN=1e6;
int A[N],B[N],C[N],D[N],E[N],n,m,k,q;
vector<int>g[N],ans;
int tmp[N][N];
void dfs(int v,int p=-1){
	ans.pb(v+1);
	for(int u:g[v])if(u!=p)dfs(u,v);
}
int ask(int r,int x){
	if(tmp[r][x+1])return tmp[r][x+1];
	vector<int>M(n,0);
	for0(r+1)M[i]=1;
	if(x!=-1)
		M[x]=1;
	return tmp[r][x+1]=Query(M);
}
void Solve(int N){
	n=N;
	for0(n)ask(i,-1);
	for1(n-1){
		int l=-1,r=i;
		while(r-l!=1){
			int mid=(l+r)>>1;
			if(ask(mid,-1)+1==ask(mid,i))l=mid;
			else r=mid;
		}
		int ans1=r;
		if(r==i)continue;
		g[i].pb(ans1);
		g[ans1].pb(i);
		l=-1;r=i;
		while(r-l!=1){
			int mid=(l+r)>>1;
			if(ask(mid,-1)>=ask(mid,i))l=mid;
			else r=mid;
		}
		if(r==i)continue;
		g[r].pb(i);
		g[i].pb(r);
	}
	for0(n)if(g[i].size()==1){
		dfs(i);
		break;
	}

	Answer(ans);
}
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