Submission #836502

#	Time	Username	Problem	Language	Result	Execution time	Memory
836502		gustason	Two Transportations (JOI19_transportations)	C++14	0 / 100	198 ms	6768 KiB

Azer

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

namespace {

const int nax = 2005;
int N;
std::vector<int> dist;
priority_queue<array<int, 2>> q;
const int INF = 1000001;
vector<array<int, 2>> adj[nax];
vector<int> gauti_bitai;

void siusk(int x, int bitai) {
	for(int i = 0; i < bitai; i++) {
		bool b = ((x & (1<<i)) != 0);
		SendA(b);
	}
}

void go() {
	while(!q.empty()) {
		int w = -q.top()[0];
		int v = q.top()[1];
		
		q.pop();
		
		// nusiunciu kandidato w
		siusk(w, 20);
		// nusiunciu kandidato v
		siusk(v, 11);
		
		//cout << "checkA " << v << " " << w << "\n";
		
		for(auto& u : adj[v]) {
			//cout << v << "->" << u[0] << "\n";
			if (w + u[1] < dist[u[0]]) {
				dist[u[0]] = w + u[1];
				q.push({-dist[u[0]], u[0]});
			}
		}
	}
}

void upd(int v, int w) {
	if (dist[v] <= w) return;
	//cout << "updA " << v << " " << w << "\n";

	dist[v] = w;
	//cout << "upd: " << v << " " << w << "\n";
	
	for(auto& u : adj[v]) {
		if (w + u[1] < dist[u[0]]) {
			dist[u[0]] = w + u[1];
			q.push({-dist[u[0]], u[0]});
		}
	}
	go();
}

}  // namespace

void InitA(int N, int A, std::vector<int> U, std::vector<int> V, std::vector<int> C) {
  ::N = N;
	dist.assign(N, INF);
	for(int i = 0 ; i < A; i++) {
		adj[U[i]].push_back({V[i], C[i]});
		adj[V[i]].push_back({U[i], C[i]});
	}
	
	upd(0, 0);
	
	go();
	
}

void ReceiveA(bool x) {
	gauti_bitai.push_back(x);
	if (gauti_bitai.size() == 31) {
		int w = 0, v = 0;
		for(int i = 0; i < 20; i++) {
			if (gauti_bitai[i]) {
				w += 1<<i;
			}
		}
		for(int i = 20; i < 31; i++) {
			if (gauti_bitai[i]) {
				v += 1<<(i-20);
			}
		}
		gauti_bitai.clear();
		//cout << "A gavo " << v << " " << w << "\n";
		upd(v, w);
	}
}

std::vector<int> Answer() {
  return dist;
}

Baijan

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

namespace {

const int nax = 2005;
int N;
std::vector<int> dist;
priority_queue<array<int, 2>> q;
const int INF = 1000001;
vector<array<int, 2>> adj[nax];
vector<int> gauti_bitai;

void siusk(int x, int bitai) {
	for(int i = 0; i < bitai; i++) {
		bool b = ((x & (1<<i)) != 0);
		SendB(b);
	}
}

void go() {	
	while(!q.empty()) {		
		int w = -q.top()[0];
		int v = q.top()[1];
		
		q.pop();
		
		// nusiunciu kandidato w
		siusk(w, 20);
		 //nusiunciu skandidato v
		siusk(v, 11);
		
		//cout << "checkB " << v << " " << w << "\n";
		
		for(auto& u : adj[v]) {
			if (w + u[1] < dist[u[0]]) {
				dist[u[0]] = w + u[1];
				q.push({-dist[u[0]], u[0]});
			}
		}
	}
}

void upd(int v, int w) {
	if (dist[v] <= w) return;
	//cout << "updB " << v << " " << w << "\n";
	dist[v] = w;
	for(auto& u : adj[v]) {
		if (w + u[1] < dist[u[0]]) {
			dist[u[0]] = w + u[1];
			q.push({-dist[u[0]], u[0]});
			//cout << "naujas " << u[0] << " " << dist[u[0]] << "\n";
		}
	}
	go();
}

}  // namespace

void InitB(int N, int A, std::vector<int> U, std::vector<int> V, std::vector<int> C) {
  ::N = N;
	dist.assign(N, INF);
	for(int i = 0 ; i < A; i++) {
		adj[U[i]].push_back({V[i], C[i]});
		adj[V[i]].push_back({U[i], C[i]});
	}
	
	upd(0, 0);
	
	go();
}

void ReceiveB(bool y) {
	gauti_bitai.push_back(y);
	if (gauti_bitai.size() == 31) {
		int w = 0, v = 0;
		for(int i = 0; i < 20; i++) {
			if (gauti_bitai[i]) {
				w += 1<<i;
			}
		}
		for(int i = 20; i < 31; i++) {
			if (gauti_bitai[i]) {
				v += 1<<(i-20);
			}
		}
		gauti_bitai.clear();
		//cout << "B gavo " << v << " " << w << "\n";
		upd(v, w);
	}
}

• Subtask 1: 0 / 6
• Subtask 2: 0 / 8
• Subtask 3: 0 / 8
• Subtask 4: 0 / 38
• Subtask 5: 0 / 14
• Subtask 6: 0 / 10
• Subtask 7: 0 / 16