Submission #708391

#	Time	Username	Problem	Language	Result	Execution time	Memory
708391		alvingogo	Two Transportations (JOI19_transportations)	C++14	100 / 100	857 ms	48856 KiB

Azer

#include <bits/stdc++.h>
#include "Azer.h"
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

namespace{
    vector<vector<pair<int,int> > > gg;
    int n,m;
    vector<int> dis,vis;
    void send(int a,int i){
        i--;
        for(;i>=0;i--){
            SendA((a>>i)&1);
        }
    }
    int nw=0,cnt=0,tp=0,x=0,pre=0;
}

void InitA(int N, int A, std::vector<int> U, std::vector<int> V, std::vector<int> C){
    send(0,9);
    n=N;
    m=A;
    gg.resize(n);
    dis.resize(n,1e9);
    vis.resize(n);
    dis[0]=0;
    for(int i=0;i<m;i++){
        gg[U[i]].push_back({V[i],C[i]});
        gg[V[i]].push_back({U[i],C[i]});
    }
}

void ReceiveA(bool y){
    nw=2*nw+y;
    cnt++;
    if(tp==0){
        if(cnt==9){
            if(nw<=x){
                tp=1;
                pre+=nw;
            }
            else{
                nw=x;
                pre+=nw;
                for(int i=0;i<n;i++){
                    if(!vis[i] && dis[i]==pre){
                        send(i,11);        
                        dis[i]=pre;
                        vis[i]=1;
                        for(auto h:gg[i]){
                            dis[h.fs]=min(dis[h.fs],dis[i]+h.sc);
                        }
                        int mm=1e9;
                        int uu=0;
                        for(int j=0;j<n;j++){
                            if(!vis[j] && dis[j]<mm){
                                mm=dis[j];
                            }
                            if(!vis[j]){
                                uu++;
                            }
                        }
                        if(!uu){
                            return;
                        }
                        x=min(511,mm-pre);
                        send(x,9);
                        break;
                    }
                }
            }
            nw=0;
            cnt=0;
        }
    }   
    else if(tp==1){
        if(cnt==11){
            dis[nw]=pre;
            vis[nw]=1;
            for(auto h:gg[nw]){
                dis[h.fs]=min(dis[h.fs],dis[nw]+h.sc);
            }
            int mm=1e9;
            int uu=0;
            for(int i=0;i<n;i++){
                if(!vis[i] && dis[i]<mm){
                    mm=dis[i];
                }
                if(!vis[i]){
                    uu++;
                }
            }
            if(!uu){
                return;
            }
            x=min(511,mm-pre);
            send(x,9);
            cnt=0;
            nw=0;
            tp=0;
        }
    }
}

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

Baijan

#include <bits/stdc++.h>
#include "Baijan.h"
#pragma GCC optimize("Ofast")
#define AquA cin.tie(0);ios_base::sync_with_stdio(0);
#define fs first
#define sc second
#define p_q priority_queue
using namespace std;

namespace{
    vector<vector<pair<int,int> > > gg;
    int n,m;
    vector<int> dis,vis;
    void send(int a,int i){
        i--;
        for(;i>=0;i--){
            SendB((a>>i)&1);
        }
    }
    int nw=0,cnt=0,tp=0,x=0,pre=0;
    int cz=0;
}

void InitB(int N, int B, std::vector<int> S, std::vector<int> T, std::vector<int> D){
    send(0,9);
    n=N;
    m=B;
    gg.resize(n);
    dis.resize(n,1e9);
    vis.resize(n);
    dis[0]=0;
    for(int i=0;i<m;i++){
        gg[S[i]].push_back({T[i],D[i]});
        gg[T[i]].push_back({S[i],D[i]});
    }
}

void ReceiveB(bool y){
    nw=2*nw+y;
    cnt++;
    if(tp==0){
        if(cnt==9){
            if(nw<x){
                tp=1;
                pre+=nw;
            }
            else{
                nw=x;
                pre+=nw;
                for(int i=0;i<n;i++){
                    if(!vis[i] && dis[i]==pre){
                        send(i,11);        
                        dis[i]=pre;
                        vis[i]=1;
                        for(auto h:gg[i]){
                            dis[h.fs]=min(dis[h.fs],dis[i]+h.sc);
                        }
                        int mm=1e9;
                        int uu=0;
                        for(int j=0;j<n;j++){
                            if(!vis[j] && dis[j]<mm){
                                mm=dis[j];
                            }
                            if(!vis[j]){
                                uu++;
                            }
                        }
                        if(!uu){
                            return;
                        }
                        x=min(511,mm-pre);
                        send(x,9);
                        break;
                    }
                }
            }
            nw=0;
            cnt=0;
        }
    }   
    else if(tp==1){
        if(cnt==11){
            dis[nw]=pre;
            vis[nw]=1;
            for(auto h:gg[nw]){
                dis[h.fs]=min(dis[h.fs],dis[nw]+h.sc);
            }
            int mm=1e9;
            int uu=0;
            for(int i=0;i<n;i++){
                if(!vis[i] && dis[i]<mm){
                    mm=dis[i];
                }
                if(!vis[i]){
                    uu++;
                }
            }
            if(!uu){
                return;
            }
            x=min(511,mm-pre);
            send(x,9);
            cnt=0;
            nw=0;
            tp=0;
        }
    }
}

Compilation message (stderr)

Baijan.cpp:21:9: warning: '{anonymous}::cz' defined but not used [-Wunused-variable]
   21 |     int cz=0;
      |         ^~

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