Submission #934056

#	Time	Username	Problem	Language	Result	Execution time	Memory
934056		sopaconk	City (JOI17_city)	C++17	18 / 100	329 ms	44984 KiB

Encoder

#include "Encoder.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define deb(x) ;
using lli=long long int;
 

static lli aux=0;
void dfs(int n , int par, vector<vector<int>> &adj, vector<pair<lli,lli>> &range ){
	lli ini=aux;
	aux++;
	for(int x: adj[n]){
		if(x==par) continue;
		dfs(x, n, adj, range);

	}
	lli fin=aux;
	aux++;
	range[n]={ini, fin};
}


void Encode(int N, int A[], int B[])
{
	
	vector<vector<int>> adj (N);
	for(int i=0; i<N-1; ++i){
		adj[A[i]].pb(B[i]);
		adj[B[i]].pb(A[i]);
	}
	vector<pair<lli,lli>> range (N);
	dfs(0,-1,adj, range);



	for (int i = 0; i < N; ++i) {
		
		Code(i, range[i].first*500000+range[i].second);
	}
}

Device

#include "Device.h"
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define deb(x) ;
using lli=long long int;
void InitDevice()
{
}

int Answer(long long S, long long T)
{
	lli finS=S%500000;
	lli iniS= (S-finS)/500000;
	lli finT=T%500000;
	lli iniT=(T-finT)/500000;
	if(iniT <= iniS && finS <= finT){
		return 0;
	}
	if(iniS <= iniT && finT <= finS){
		return 1;
	}
	return 2;
}

• Subtask 1: 8 / 8
• Subtask 2: 10 / 92