Submission #926651

#	Time	Username	Problem	Language	Result	Execution time	Memory
926651		daoquanglinh2007	Two Transportations (JOI19_transportations)	C++17	100 / 100	637 ms	61072 KiB

Azer

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

#define pii pair <int, int>
#define fi first
#define se second
#define mp make_pair

const int NM = 2000, inf = 1e9+7;

namespace Azer{
	int N;
	vector <pii> adj[NM+5];
	int d[NM+5];
	bool fix[NM+5];
	priority_queue <pii, vector <pii>, greater <pii> > Q;
	int p = 0, cur = 0, pre;
	int log_od = 0, log_op = 0, od = 0, op = 0;
	
	void Update(int u, int val){
		d[u] = val;
		fix[u] = 1;
		for (pii _ : adj[u]){
			int v = _.fi, w = _.se;
			if (fix[v]) continue;
			if (d[u]+w < d[v]){
				d[v] = d[u]+w;
				Q.push(mp(d[v], v));
			}
		}
		pre = val;
	}
	void Getcur(){
		cur = +inf;
		while (!Q.empty() && fix[Q.top().se]) Q.pop();
		if (!Q.empty()){
			p = Q.top().se;
			cur = d[p];
		}
	}
	void SendInt(int LOG, int x){
		for (int i = 0; i < LOG; i++)
			SendA((x>>i)&1);
	}
	void Init(int _N, int M, vector <int> U, vector <int> V, vector <int> C){
		N = _N;
		for (int i = 0; i < M; i++){
			adj[U[i]].push_back(mp(V[i], C[i]));
			adj[V[i]].push_back(mp(U[i], C[i]));
		}
		for (int i = 0; i < N; i++) d[i] = +inf;
		Update(0, 0);
		Getcur();
		if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
	}
	void Receive(bool x){
		if (log_od < 9){
			if (x) od += (1<<log_od);
			log_od++;
		}
		if (log_od < 9) return;
		if (od == (1<<9)-1 && cur == +inf) return;
		if (cur-pre <= od){
			SendInt(11, p);
			Update(p, cur);
			Getcur();
			log_od = log_op = od = op = 0;
			if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
			return;
		}
		log_od++;
		if (log_od == 10) return;
		if (x) op += (1<<log_op);
		log_op++;
		if (log_op == 11){
			Update(op, pre+od);
			Getcur();
			log_od = log_op = od = op = 0;
			if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
		}
	}
	vector <int> Get(){
		vector <int> ans(N);
		for (int i = 0; i < N; i++) ans[i] = d[i];
		return ans;
	}
}

void InitA(int N, int A, vector <int> U, vector <int> V, vector <int> C){
	Azer::Init(N, A, U, V, C);
}

void ReceiveA(bool x){
	Azer::Receive(x);
}

vector <int> Answer(){
	return Azer::Get();
}

Baijan

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

#define pii pair <int, int>
#define fi first
#define se second
#define mp make_pair

const int NM = 2000, inf = 1e9+7;

namespace Baijan{
	int N;
	vector <pii> adj[NM+5];
	int d[NM+5];
	bool fix[NM+5];
	priority_queue <pii, vector <pii>, greater <pii> > Q;
	int p = 0, cur = 0, pre;
	int log_od = 0, log_op = 0, od = 0, op = 0;
	
	void Update(int u, int val){
		d[u] = val;
		fix[u] = 1;
		for (pii _ : adj[u]){
			int v = _.fi, w = _.se;
			if (fix[v]) continue;
			if (d[u]+w < d[v]){
				d[v] = d[u]+w;
				Q.push(mp(d[v], v));
			}
		}
		pre = val;
	}
	void Getcur(){
		cur = +inf;
		while (!Q.empty() && fix[Q.top().se]) Q.pop();
		if (!Q.empty()){
			p = Q.top().se;
			cur = d[p];
		}
	}
	void SendInt(int LOG, int x){
		for (int i = 0; i < LOG; i++)
			SendB((x>>i)&1);
	}
	void Init(int _N, int M, vector <int> U, vector <int> V, vector <int> C){
		N = _N;
		for (int i = 0; i < M; i++){
			adj[U[i]].push_back(mp(V[i], C[i]));
			adj[V[i]].push_back(mp(U[i], C[i]));
		}
		for (int i = 0; i < N; i++) d[i] = +inf;
		Update(0, 0);
		Getcur();
		if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
	}
	void Receive(bool x){
		if (log_od < 9){
			if (x) od += (1<<log_od);
			log_od++;
		}
		if (log_od < 9) return;
		if (od == (1<<9)-1 && cur == +inf) return;
		if (cur-pre < od){
			SendInt(11, p);
			Update(p, cur);
			Getcur();
			log_od = log_op = od = op = 0;
			if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
			return;
		}
		log_od++;
		if (log_od == 10) return;
		if (x) op += (1<<log_op);
		log_op++;
		if (log_op == 11){
			Update(op, pre+od);
			Getcur();
			log_od = log_op = od = op = 0;
			if (cur == +inf) SendInt(9, (1<<9)-1); else SendInt(9, cur-pre);
		}
	}
}

void InitB(int N, int B, vector <int> S, vector <int> T, vector <int> D){
	Baijan::Init(N, B, S, T, D);
}

void ReceiveB(bool y){
	Baijan::Receive(y);
}

• Subtask 1: 6 / 6
• Subtask 2: 8 / 8
• Subtask 3: 8 / 8
• Subtask 4: 38 / 38
• Subtask 5: 14 / 14
• Subtask 6: 10 / 10
• Subtask 7: 16 / 16