This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e8;
namespace {
int N;
vector<vector<pair<int, int>>> g;
vector<int> dist;
vector<bool> vis;
queue<bool> received;
int numRecv;
int curDist = 0;
int numVisited = 0;
int nxt, nxtDist;
void sendInt(int x, int bits){
for(int i = 0; i < bits; i++){
bool b = x & (1<<i);
SendA(b);
}
}
void visit(int u){
numVisited++;
vis[u] = true;
curDist = dist[u];
for(auto [v, c] : g[u]){
dist[v] = min(dist[v], dist[u]+c);
}
if(numVisited == N) return;
nxt = -1, nxtDist = INF;
for(int i = 0; i < N; i++){
if(!vis[i] && dist[i] < nxtDist){
nxtDist = dist[i];
nxt = i;
}
}
int x = min(nxtDist-curDist, 501);
numRecv = 9;
sendInt(x, 9);
}
int receiveInt(int bits){
int ans = 0;
for(int i = 0; i < bits; i++){
bool b = received.front(); received.pop();
if(b) ans += (1<<i);
}
// cerr << "A " << ans << " " << bits << endl;
return ans;
}
void receive(){
if(numRecv == 9){
int x = receiveInt(9);
int otherDist = x+curDist;
if(otherDist < nxtDist){
nxtDist = otherDist;
numRecv = 11;
}
else{
sendInt(nxt, 11);
visit(nxt);
}
}
else if(numRecv == 11){
nxt = receiveInt(11);
dist[nxt] = nxtDist;
visit(nxt);
}
}
} // namespace
void InitA(int N, int A, std::vector<int> U, std::vector<int> V,
std::vector<int> C) {
::N = N;
g.resize(N);
for (int i = 0; i < A; ++i) {
g[U[i]].emplace_back(V[i], C[i]);
g[V[i]].emplace_back(U[i], C[i]);
}
dist.assign(N, INF);
dist[0] = 0;
vis.resize(N);
::visit(0);
}
void ReceiveA(bool x) {
received.push(x);
if((int)received.size() == numRecv){
::receive();
}
}
std::vector<int> Answer() {
return dist;
}
#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;
const int INF = 1e8;
namespace {
int N;
vector<vector<pair<int, int>>> g;
vector<int> dist;
vector<bool> vis;
queue<bool> received;
int numRecv;
int curDist = 0;
int numVisited = 0;
int nxt, nxtDist;
void sendInt(int x, int bits){
for(int i = 0; i < bits; i++){
bool b = x & (1<<i);
SendB(b);
}
}
void visit(int u){
numVisited++;
vis[u] = true;
curDist = dist[u];
for(auto [v, c] : g[u]){
dist[v] = min(dist[v], dist[u]+c);
}
if(numVisited == N) return;
nxt = -1, nxtDist = INF;
for(int i = 0; i < N; i++){
if(!vis[i] && dist[i] < nxtDist){
nxtDist = dist[i];
nxt = i;
}
}
int x = min(nxtDist-curDist, 501);
numRecv = 9;
sendInt(x, 9);
}
int receiveInt(int bits){
int ans = 0;
for(int i = 0; i < bits; i++){
bool b = received.front(); received.pop();
if(b) ans += (1<<i);
}
// cerr << "B " << ans << " " << bits << endl;
return ans;
}
void receive(){
if(numRecv == 9){
int x = receiveInt(9);
int otherDist = x+curDist;
if(otherDist <= nxtDist){
nxtDist = otherDist;
numRecv = 11;
}
else{
sendInt(nxt, 11);
visit(nxt);
}
}
else if(numRecv == 11){
nxt = receiveInt(11);
dist[nxt] = nxtDist;
visit(nxt);
}
}
} // namespace
void InitB(int N, int A, std::vector<int> U, std::vector<int> V,
std::vector<int> C) {
::N = N;
g.resize(N);
for (int i = 0; i < A; ++i) {
g[U[i]].emplace_back(V[i], C[i]);
g[V[i]].emplace_back(U[i], C[i]);
}
dist.assign(N, INF);
dist[0] = 0;
vis.resize(N);
vis[0] = true;
::visit(0);
}
void ReceiveB(bool x) {
received.push(x);
if((int)received.size() == numRecv){
::receive();
}
}
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