Submission #951003

#	Time	Username	Problem	Language	Result	Execution time	Memory
951003		hengliao	Two Transportations (JOI19_transportations)	C++14	62 / 100	954 ms	59480 KiB

Azer

#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
#define pb push_back
#define F first
#define S second

namespace {

const ll inf=1e9;
ll n;
priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq;
vector<ll> ans;
vector<pair<ll, ll>> adj[2005]; 
ll cnt;
ll rcnt;
ll curidx;
ll curdis;
ll pre;

void sendidx(ll tar){
  for(ll i=10;i>=0;i--){
    if(tar&(1LL<<i)){
      SendA(1);
    }
    else{
      SendA(0);
    }
  }
}

void senddis(ll tar){
  for(ll i=8;i>=0;i--){
    if(tar&(1LL<<i)){
      SendA(1);
    }
    else{
      SendA(0);
    }
  }
}

}  // namespace

void InitA(int N, int A, vector<int> U, vector<int> V,
           vector<int> C) {
  n=N;
  ans=vector<ll>(n, inf);
  for(ll i=0;i<A;i++){
    adj[U[i]].pb({V[i], C[i]});
    adj[V[i]].pb({U[i], C[i]});
  }
  ans[0]=0;
  cnt=1;
  rcnt=0;
  curidx=0;
  curdis=0;
  pq.push({0, 0});
  pre=0;
  for(auto it:adj[0]){
    ll x=it.F;
    ll y=it.S;
    pq.push({y, x});
  }
  /*
  pair<ll, ll> cur=pq.top();
  sendidx(cur.F);
  senddis(cur.S);
  cnt++;
  */
}

void ReceiveA(bool x) {
  if(rcnt<11){
    curidx*=2;
    if(x) curidx++;
  }
  else{
    curdis*=2;
    if(x) curdis++;
  }
  rcnt++;
  if(rcnt>=20){
    rcnt=0;
    pq.push({curdis+pre, curidx});
    //cerr<<"good "<<curdis+pre<<' '<<curidx<<'\n';
    curidx=0;
    curdis=0;
    while(!pq.empty() && ans[pq.top().S]!=inf){
      pq.pop();
    }
    if(!pq.empty()){
      pair<ll, ll> cur=pq.top();
      ans[cur.S]=cur.F;
      cnt++;
      for(auto it:adj[cur.S]){
        ll x=it.F;
        ll y=it.S;
        pq.push({y+ans[cur.S], x});
      }
      sendidx(cur.S);
      senddis(cur.F-pre);
      pre=cur.F;
    }
    /*else if(cnt<n){
      sendidx(0);
      senddis(255);
    }*/
  }
}

vector<int> Answer() {
  return ans;
}

Baijan

#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;
typedef int ll;
#define pb push_back
#define F first
#define S second

namespace {

const ll inf=1e9;
ll n;
priority_queue<pair<ll, ll>, vector<pair<ll, ll>>, greater<pair<ll, ll>>> pq;
vector<ll> ans;
vector<pair<ll, ll>> adj[2005]; 
ll cnt;
ll rcnt;
ll curidx;
ll curdis;
ll pre;

void sendidx(ll tar){
  for(ll i=10;i>=0;i--){
    if(tar&(1LL<<i)){
      SendB(1);
    }
    else{
      SendB(0);
    }
  }
}

void senddis(ll tar){
  for(ll i=8;i>=0;i--){
    if(tar&(1LL<<i)){
      SendB(1);
    }
    else{
      SendB(0);
    }
  }
}

}  // namespace

void InitB(int N, int A, vector<int> U, vector<int> V,
           vector<int> C) {
  n=N;
  ans=vector<ll>(n, inf);
  for(ll i=0;i<A;i++){
    adj[U[i]].pb({V[i], C[i]});
    adj[V[i]].pb({U[i], C[i]});
  }
  ans[0]=0;
  cnt=0;
  rcnt=0;
  curidx=0;
  curdis=0;
  //pq.push({0, 0});
  pre=0;
  for(auto it:adj[0]){
  	ll x=it.F;
  	ll y=it.S;
    pq.push({y, x});
  }
  if(pq.empty()){
  	sendidx(0);
  	senddis(511);
  	return;
  }
  pair<ll, ll> cur=pq.top();
  sendidx(cur.S);
  senddis(cur.F);
  cnt++;
}

void ReceiveB(bool x) {
  if(rcnt<11){
    curidx*=2;
    if(x) curidx++;
  }
  else{
    curdis*=2;
    if(x) curdis++;
  }
  rcnt++;
  if(rcnt>=20){
    cnt++;
    rcnt=0;
    ans[curidx]=curdis+pre;
    pre=ans[curidx];
    for(auto it:adj[curidx]){
    	ll x=it.F;
    	ll y=it.S;
    	pq.push({y+ans[curidx], x});
    }
    curidx=0;
    curdis=0;
    while(!pq.empty() && ans[pq.top().S]!=inf){
      pq.pop();
    }
    if(!pq.empty()){
      pair<ll, ll> cur=pq.top();
      sendidx(cur.S);
      senddis(cur.F-pre);
      //pre=cur.F;
    }
    else{
    	sendidx(0);
    	senddis(511);
    }
  }
}

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