Submission #1227791

#	Time	Username	Problem	Language	Result	Execution time	Memory
1227791		MarwenElarbi	Two Transportations (JOI19_transportations)	C++17	0 / 100	5963 ms	13460 KiB

Azer

#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
namespace {
    int n_a;
    int lst_a=0;
    int dis_a[2500];
    int j_a=0;
    int node_a=0;
    set<int> st_a;
    int d_a=0;
    vector<pair<int,int>> adj_a[2500];
    void senda(pair<int,int> x){
        if(x.fi>=1e8){
            for (int i = 0; i < 11; ++i)
            {
                SendA(true);
            }
            for (int i = 0; i < 9; ++i)
            {
                SendA(true);
            }
        }else{
            int u=x.se;
            int d=x.fi;
            for (int i = 0; i < 11; ++i)
            {
                SendA((1<<i)&u);
            }
            for (int i = 0; i < 9; ++i)
            {
                SendA((1<<i)&d);
            }
        }
    }
}  // namespace

    void InitA(int N, int A, std::vector<int> U, std::vector<int> V,std::vector<int> C) {
        n_a = N;
        for (int i = 0; i < N; ++i)
        {
            dis_a[i]=1e9;
        }
        for (int i = 0; i < A; ++i)
        {
            adj_a[U[i]].push_back({V[i],C[i]});
            adj_a[V[i]].push_back({U[i],C[i]});
        }
        dis_a[0]=0;
        st_a.insert(0);
        senda({0,0});
    }

    void ReceiveA(bool x) {
        if(0<=j_a&&j_a<11){
            node_a+=(x<<j_a);
        }else if(11<=j_a&&j_a<20){
            d_a+=(x<<(j_a-11));
        }
        j_a++;
        if(j_a==20){
            //cout << "A" << " "<<node_a<<" "<<d_a<<endl;
            j_a=0;
            d_a+=lst_a;
            int cur_dis[n_a];
            for (int i = 0; i < n_a; ++i) cur_dis[i]=1e9;
            if(node_a<1400&&!st_a.count(node_a)) cur_dis[node_a]=d_a;
            for(auto u:st_a){
                for(auto i:adj_a[u]){
                    if(st_a.count(i.fi)) continue;
                    cur_dis[i.fi]=min(cur_dis[i.fi],i.se+dis_a[u]);  
                }
            }
            pair<int,int> res={1e9,1e9};
            for (int i = 0; i < n_a; ++i){
                //cout << (cur_dis[i]==1e9 ? -2 : cur_dis[i]) <<" ";
                if(cur_dis[i]==1e9) continue;
                res=min(res,make_pair(cur_dis[i],i));
            }//cout <<endl;
            if(res.se<1e8) dis_a[res.se]=res.fi;
            if(res.se<1e8) st_a.insert(res.se);
            //for(int i=0;i<n_a;i++) cout <<(dis_a[i]==1e9 ? -1 :dis_a[i])<<" ";
            //    cout <<endl;
            //cout <<res.fi-lst_a<<endl;
            senda({res.fi-lst_a,res.se});
            lst_a=res.fi;
            node_a=0;
            d_a=0;
        }
    }

    std::vector<int> Answer() {
        std::vector<int> ans(n_a);
        for (int k = 0; k < n_a; ++k) {
            ans[k] = dis_a[k];
        }
        return ans;
    }

Baijan

#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
namespace {
    int n_b;
    int j_b=0;
    int cnt=0;
    int lst_b=0;
    int node_b=0;
    int d_b=0;
    vector<pair<int,int>> adj_b[2500];
    int dis_b[2500];
    set<int> st_b;
    void sendb(pair<int,int> x){
        if(x.se>=1e8){
            for (int i = 0; i < 11; ++i)
            {
                SendB(true);
            }
            for (int i = 0; i < 9; ++i)
            {
                SendB(true);
            }
        }else{
            int u=x.se;
            int d=x.fi;
            for (int i = 0; i < 11; ++i)
            {
                SendB((1<<i)&u);
            }
            for (int i = 0; i < 9; ++i)
            {
                SendB((1<<i)&d);
            }
        }
    }
}  // namespace

    void InitB(int N, int B, std::vector<int> S, std::vector<int> T,std::vector<int> D) {
        n_b=N;
        for (int i = 0; i < B; ++i)
        {
            adj_b[S[i]].push_back({T[i],D[i]});
            adj_b[T[i]].push_back({S[i],D[i]});
        }
        for (int i = 0; i < N; ++i)
        {
            dis_b[i]=1e9;
        }
    }

    void ReceiveB(bool y) {
        if(0<=j_b&&j_b<11){
            node_b+=(y<<j_b);
        }else if(11<=j_b&&j_b<20){
            d_b+=(y<<(j_b-11));
        }
        j_b++;
        cnt+=2;
        if(cnt==57800) return;
        if(j_b==20){
            //cout << "B" << " "<<node_b<<" "<<d_b<<endl;
            j_b=0;
            d_b+=lst_b;
            lst_b=d_b;
            if(node_b<1400){
                st_b.insert(node_b);
                dis_b[node_b]=d_b;
            }
            //for(auto u:st_b) cout <<u<<" ";
            //    cout <<endl;
            int cur_dis[n_b];
            for (int i = 0; i < n_b; ++i) cur_dis[i]=1e9;
            for(auto u:st_b){
                for(auto i:adj_b[u]){
                    if(st_b.count(i.fi)) continue;
                    cur_dis[i.fi]=min(cur_dis[i.fi],i.se+dis_b[u]);  
                }
            }
            pair<int,int> res={1e9,1e9};
            for (int i = 0; i < n_b; ++i){
                //cout <<(cur_dis[i]==1e9 ? -1 : cur_dis[i])<<" ";
                if(cur_dis[i]==1e9) continue;
                if(res.fi>cur_dis[i]){
                    res=min(res,make_pair(cur_dis[i],i));
                }
            }//cout <<endl;
            //cout <<res.fi-lst_b<<endl;
            sendb({res.fi-lst_b,res.se});
            d_b=0;
            node_b=0;
        }
    }

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