Submission #1036001

#	Time	Username	Problem	Language	Result	Execution time	Memory
1036001		boyliguanhan	Two Transportations (JOI19_transportations)	C++17	14 / 100	312 ms	28364 KiB

Azer

#include "Azer.h"
#include <bits/stdc++.h>
using namespace std;
int casef=0,NN_;
vector<int>Ua,Va,Ca;

void sendnum2(int n,int b){
    for(int i=b;i--;)
        SendA(n>>i&1);
}
void sendedges(){
    
        for(int i=0;i<Ua.size();i++){
            sendnum2(Ua[i],11);
            sendnum2(Va[i],11);
            sendnum2(Ca[i],9);
        }
    sendnum2(0,31);
}
void InitA(int N, int A, std::vector<int> U, std::vector<int> V,
           std::vector<int> C) {
    NN_=N;
    Ua=U;
    Va=V;
    Ca=C;
    if(A<=500)SendA(0),sendedges();
    else SendA(1);
    casef=A>500;
}
vector<int>bits;
void ReceiveA(bool x) {
    bits.push_back(x);
}
std::vector<int> Answer() {
    if(casef) {
        vector<vector<pair<int,int>>>adj(NN_);
        int C=bits.size();
        for(int i=0;i<C/31;i++){
            int U=0,V=0,D=0;
            for(int j=0;j<11;j++)
                U=U*2+bits[i*31+j];
            for(int j=11;j<22;j++)
                V=V*2+bits[i*31+j];
            for(int j=22;j<31;j++)
                D=D*2+bits[i*31+j];
            adj[U].push_back({V,D});
            adj[V].push_back({U,D});
        }
        for(int i=0;i<Ua.size();i++){
            adj[Ua[i]].push_back({Va[i],Ca[i]});
            adj[Va[i]].push_back({Ua[i],Ca[i]});
        }
        vector<int>dist(NN_,1e9);
        priority_queue<pair<int,int>,vector<pair<int,int>>,greater<>>pq;
        dist[0]=0;
        pq.push({0,0});
        while(pq.size()){
            auto[d,x]=pq.top();
            pq.pop();
            if(dist[x]<d)continue;
            for(auto [v,w]:adj[x])
                if(dist[v]>w+d)
                    pq.push({dist[v]=w+d,v});
        }
        return dist;
    }
    std::vector<int> ans(NN_);
    for(int i=0;i<bits.size();i++)
        ans[i/20]=ans[i/20]<<1|bits[i];
    return ans;
}

Baijan

#include "Baijan.h"
#include <vector>
#include<bits/stdc++.h>
using namespace std;
vector<pair<int,int>> adj[2010];
int dist[2010],N_;
vector<int>S_bai,T_bai,D_bai;
void InitB(int N, int B, std::vector<int> S, std::vector<int> T,
           std::vector<int> D) {
    N_=N;
    for(int i=0;i<B;i++)
        adj[S[i]].push_back({T[i],D[i]}),
        adj[T[i]].push_back({S[i],D[i]});
    S_bai=S;
    T_bai=T;
    D_bai=D;
}
int fsen;
void sendnum(int n,int b){
    for(int i=b;i--;)
        SendB(n>>i&1);
}
vector<int>bits2;
void rdedges(){
    int C=bits2.size()-31;
    for(int i=0;i*31<C;i++){
        int U=0,V=0,D=0;
        for(int j=0;j<11;j++)
            U=U*2+bits2[i*31+j];
        for(int j=11;j<22;j++)
            V=V*2+bits2[i*31+j];
        for(int j=22;j<31;j++)
            D=D*2+bits2[i*31+j];
        adj[U].push_back({V,D});
        adj[V].push_back({U,D});
    }
}
void djik(){
    priority_queue<pair<int,int>,vector<pair<int,int>>,greater<>>pq;
    memset(dist,7,sizeof dist);
    dist[0]=0;
    pq.push({0,0});
    while(pq.size()){
        auto[d,x]=pq.top();
        pq.pop();
        if(dist[x]<d)continue;
        for(auto [v,w]:adj[x])
            if(dist[v]>w+d)
                pq.push({dist[v]=w+d,v});
    }
    for(int i=0;i<N_;i++)
        sendnum(dist[i],20);
}
void ReceiveB(bool y) {
    if(!fsen) {
        if(y)
            for(int i=0;i<S_bai.size();i++){
                sendnum(S_bai[i],11);
                sendnum(T_bai[i],11);
                sendnum(D_bai[i],9);
            }
        fsen=1;
    } else {
        bits2.push_back(y);
        if(bits2.size()>=31&&!*max_element(bits2.rbegin(),bits2.rbegin()+31))
           rdedges(),djik();
    }
}

Compilation message (stderr)

Azer.cpp: In function 'void sendedges()':
Azer.cpp:13:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   13 |         for(int i=0;i<Ua.size();i++){
      |                     ~^~~~~~~~~~
Azer.cpp: In function 'std::vector<int> Answer()':
Azer.cpp:49:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |         for(int i=0;i<Ua.size();i++){
      |                     ~^~~~~~~~~~
Azer.cpp:68:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   68 |     for(int i=0;i<bits.size();i++)
      |                 ~^~~~~~~~~~~~

Baijan.cpp: In function 'void ReceiveB(bool)':
Baijan.cpp:57:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   57 |             for(int i=0;i<S_bai.size();i++){
      |                         ~^~~~~~~~~~~~~

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