Submission #427869

#	Time	Username	Problem	Language	Result	Execution time	Memory
427869		errorgorn	City (JOI17_city)	C++17	22 / 100	564 ms	41772 KiB

Encoder

#include "Encoder.h"

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);s<e?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

int n;
vector<int> al[250000];

ll in[250000];
ll out[250000];
int TIME=0;

void dfs(int i,int p){
	in[i]=TIME;
	
	for (auto &it:al[i]){
		if (it==p) continue;
		dfs(it,i);
	}
	
	out[i]=TIME++;
	Code(i,in[i]*250000+out[i]);
}

void Encode(int N, int A[], int B[]){
	n=N;
	
	rep(x,0,n-1){
		al[A[x]].pub(B[x]);
		al[B[x]].pub(A[x]);
	}
	
	dfs(0,-1);
}

Device

#include "Device.h"

#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define ii pair<ll,ll>
#define fi first
#define se second
#define endl '\n'

#define puf push_front
#define pof pop_front
#define pub push_back
#define pob pop_back
#define lb lower_bound
#define ub upper_bound

#define rep(x,s,e) for (auto x=s-(s>e);x!=e-(s>e);s<e?x++:x--)
#define all(x) (x).begin(),(x).end()
#define sz(x) (int) (x).size()

void InitDevice()
{
}

int Answer(long long S, long long T){
	ll sin=S/250000,sout=S%250000;
	ll tin=T/250000,tout=T%250000;
	
	if (sin<=tin && tout<=sout) return 1;
	if (tin<=sin && sout<=tout) return 0;
	return 2;
}

• Subtask 1: 8 / 8
• Subtask 2: 14 / 92