#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;
namespace {
const int kN = 2000;
const int kLW = 9;
const int kLN = 11;
const int INF = INT_MAX;
enum State{
sendW = 0,
waitW = 1,
sendV = 2,
waitV = 3
};
int N;
vector<pair<int, int>> adj[kN];
int dis[kN], vis[kN];
int lastDis, bestVA, bestWA, bestVB, bestWB;
int relaxCount;
State currentState;
void relax(int u) {
vis[u] = true;
for (const auto& [v, c]: adj[u])
dis[v] = min(dis[u] + c, dis[v]);
bestVA = -1; bestWA = INF;
for (int i = 0; i < N; ++i)
if (!vis[i] and dis[i] < bestWA) {
bestVA = i;
bestWA = dis[i];
}
++relaxCount;
}
void tellW() {
int w = (bestWA == INF ? (1 << kLW) - 1 : bestWA - lastDis);
for (int l = kLW - 1; l >= 0; --l)
SendA(w >> l & 1);
}
void tellV() {
for (int l = kLN - 1; l >= 0; --l)
SendA(bestVA >> l & 1);
}
int receiveCount, receiveValue;
} // namespace
void InitA(int N, int A, vector<int> U, vector<int> V, vector<int> C) {
::N = N;
for (int i = 0; i < A; ++i) {
adj[U[i]].emplace_back(V[i], C[i]);
adj[V[i]].emplace_back(U[i], C[i]);
}
fill(dis, dis + N, INF);
fill(vis, vis + N, false);
bestVA = -1; bestWA = INF;
bestVB = -1; bestWB = INF;
dis[0] = 0;
lastDis = 0; relaxCount = 0;
relax(0);
receiveCount = 0;
receiveValue = 0;
currentState = sendW;
tellW();
currentState = waitW;
}
void ReceiveA(bool x) {
receiveValue <<= 1;
receiveValue |= x;
++receiveCount;
if (currentState == waitW and receiveCount == kLW) {
if (receiveValue == (1 << kLW) - 1)
bestWB = INF;
else
bestWB = receiveValue + lastDis;
receiveCount = 0;
receiveValue = 0;
if (bestWA <= bestWB) {
currentState = sendV;
tellV();
bestVB = -1; bestWB = INF;
lastDis = dis[bestVA];
if (relaxCount == N - 1)
return;
relax(bestVA);
currentState = sendW;
tellW();
currentState = waitW;
} else {
currentState = waitV;
}
} else if (currentState == waitV and receiveCount == kLN) {
bestVB = receiveValue;
receiveCount = 0;
receiveValue = 0;
dis[bestVB] = bestWB;
lastDis = dis[bestVB];
if (relaxCount == N - 1)
return;
relax(bestVB);
bestVB = -1; bestWB = INF;
currentState = sendW;
tellW();
currentState = waitW;
}
}
vector<int> Answer() {
vector<int> ans(dis, dis + N);
return ans;
}
#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;
namespace {
const int kN = 2000;
const int kLW = 9;
const int kLN = 11;
const int INF = INT_MAX;
enum State{
sendW = 0,
waitW = 1,
sendV = 2,
waitV = 3
};
int N;
vector<pair<int, int>> adj[kN];
int dis[kN], vis[kN];
int lastDis, bestVA, bestWA, bestVB, bestWB;
State currentState;
void relax(int u) {
vis[u] = true;
for (const auto& [v, c]: adj[u])
dis[v] = min(dis[u] + c, dis[v]);
bestVB = -1; bestWB = INF;
for (int i = 0; i < N; ++i)
if (!vis[i] and dis[i] < bestWB) {
bestVB = i;
bestWB = dis[i];
}
}
void tellW() {
int w = (bestWB == INF ? (1 << kLW) - 1 : bestWB - lastDis);
for (int l = kLW - 1; l >= 0; --l)
SendB(w >> l & 1);
}
void tellV() {
for (int l = kLN - 1; l >= 0; --l)
SendB(bestVB >> l & 1);
}
int receiveCount, receiveValue;
} // namespace
void InitB(int N, int B, vector<int> S, vector<int> T, vector<int> D) {
::N = N;
for (int i = 0; i < B; ++i) {
adj[S[i]].emplace_back(T[i], D[i]);
adj[T[i]].emplace_back(S[i], D[i]);
}
fill(dis, dis + N, INF);
fill(vis, vis + N, false);
bestVA = -1; bestWA = INF;
bestVB = -1; bestWB = INF;
dis[0] = 0;
lastDis = 0;
relax(0);
receiveCount = 0;
receiveValue = 0;
currentState = waitW;
}
void ReceiveB(bool y) {
receiveValue <<= 1;
receiveValue |= y;
++receiveCount;
if (currentState == waitW and receiveCount == kLW) {
if (receiveValue == (1 << kLW) - 1)
bestWA = INF;
else
bestWA = receiveValue + lastDis;
receiveCount = 0;
receiveValue = 0;
currentState = sendW;
tellW();
if (bestWA <= bestWB) {
currentState = waitV;
} else {
currentState = sendV;
tellV();
bestVA = -1; bestWA = INF;
lastDis = dis[bestVB];
relax(bestVB);
currentState = waitW;
}
} else if (currentState == waitV and receiveCount == kLN) {
bestVA = receiveValue;
receiveCount = 0;
receiveValue = 0;
dis[bestVA] = bestWA;
lastDis = dis[bestVA];
relax(bestVA);
bestVA = -1; bestWA = INF;
currentState = waitW;
}
}
