Submission #785964

#	Time	Username	Problem	Language	Result	Execution time	Memory
785964		Piokemon	Two Transportations (JOI19_transportations)	C++17	100 / 100	819 ms	49408 KiB

Azer

#include <bits/stdc++.h>
#include "Azer.h"
using namespace std;
typedef long long int ll;
    
namespace {
int n;
vector<pair<int,int>> graf[2009];
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> djikstra;
int dst[2009];
int wczyt=0,ter=0;
pair<int,int> cel;
int nr=0;
int last=0;
int dom=0;

void napisz(int x, int cnt){
    //cout << "A->B " << x << '\n';
    for (int i=0;i<cnt;i++) SendA(x & (1<<i));
}
    
void nast(int v, int d){
    //if (nr<10) cout << "A:" << v << ' ' << d << '\n';
    dst[v] = d;
    last = d;
    for (pair<int,int> x:graf[v]){
        if (dst[x.first] > d+x.second){
            djikstra.push({d+x.second,x.first});
        }
    }
    while(!djikstra.empty() && dst[djikstra.top().second] < 1e9) djikstra.pop();
    if (djikstra.empty()){
        djikstra.push({(1<<20)-1+last,0});
        //if (nr<10) cout << "A empty\n";
    }
    //if (nr<10) cout << "A->B " << djikstra.top().second << ' ' << djikstra.top().first-last << '\n';
    nr++;
}
    
}  // namespace
    
    
void InitA(int N, int A, vector<int> U, vector<int> V,
            vector<int> C) {
    n = N;
    for (int x=0;x<A;x++){
        graf[U[x]].push_back({V[x],C[x]});
        graf[V[x]].push_back({U[x],C[x]});
    }
    for (int x=0;x<=n;x++) dst[x] = 1e9+9;
    nast(0,0);
    napisz(djikstra.top().first-last,9);
    cel = {-1,-1};
}
    
void ReceiveA(bool x) {
    wczyt += (1<<ter) * x;
    ter++;
    
    if (ter==9 && cel.second == -1){
        if (djikstra.top().first >= (1<<20)-1 && wczyt == (1<<9)-1) return;
        cel.second = wczyt+last;
        ter = 0;
        wczyt = 0;
        if (dom==1) napisz(djikstra.top().first-last,9);
        if (djikstra.top().first<=cel.second){
            napisz(djikstra.top().second,11);
            cel.second = djikstra.top().first;
            cel.first = djikstra.top().second;
            djikstra.pop();
            nast(cel.first,cel.second);
            cel = {-1,-1};
            dom = 1;
        }
    }
    if (ter==11 && cel.second != -1){
        cel.first = wczyt;
        wczyt = 0;
        ter = 0;
        //if (nr<10) cout << "A ma:" << djikstra.top().first << ' ' << djikstra.top().second << '\n';
        //if (nr<10) cout << "A dostalo: " << cel.first << ' ' << cel.second << '\n';
        //if (nr<10) cout << "A twierdzi o empt:  " << apuste << ' ' << bpuste << '\n';
        if (min(djikstra.top().first,cel.second) >= (1<<20)-1) return;
        nast(cel.first,cel.second);
        napisz(djikstra.top().first-last,9);
        cel = {-1,-1};
        ter = 0;
        wczyt = 0;
        dom = 0;
    }
}
    
vector<int> Answer() {
    vector<int> odp;
    for (int x=0;x<n;x++) odp.push_back(dst[x]);
    return odp;
}

Baijan

#include "Baijan.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
    
namespace {
int n;
vector<pair<int,int>> graf[2009];
priority_queue<pair<int,int>,vector<pair<int,int>>,greater<pair<int,int>>> djikstra;
int dst[2009];
int wczyt=0,ter=0;
pair<int,int> cel;
int nr=0;
int last=0;
int dom=0;

void napisz(int x, int cnt){
    //cout << "B->A " << x << '\n';
    for (int i=0;i<cnt;i++) SendB(x & (1<<i));
}
    
void nast(int v, int d){
    //if (nr<10) cout << "B:" << v << ' ' << d << '\n';
    dst[v] = d;
    last = d;
    //if (nr<10) cout << "lelum " << poprz << ' ' << d << '\n';
    for (pair<int,int> x:graf[v]){
        if (dst[x.first] > d+x.second){
            djikstra.push({d+x.second,x.first});
        }
    }
    while(!djikstra.empty() && dst[djikstra.top().second] < 1e9) djikstra.pop();
    if (djikstra.empty()){
        djikstra.push({(1<<20)-1+last,0});
    }
    //if (nr<10) cout << "B->A " << djikstra.top().second << ' ' << djikstra.top().first-last << '\n';
    nr++;
}
    
}  // namespace
    
    
    
void InitB(int N, int B, vector<int> S, vector<int> T,
            vector<int> D) {
    n = N;
    for (int x=0;x<B;x++){
        graf[T[x]].push_back({S[x],D[x]});
        graf[S[x]].push_back({T[x],D[x]});
    }
    for (int x=0;x<=n;x++) dst[x] = 1e9+9;
    cel = {-1,-1};
    djikstra.push({0,0});
    nast(0,0);
}
    
void ReceiveB(bool y) {
    wczyt += (1<<ter) * y;
    ter++;
    
    if (ter==9 && cel.second == -1){
        cel.second = wczyt+last;
        if (djikstra.top().first >= (1<<20)-1 && wczyt == (1<<9)-1) return;
        wczyt = 0;
        ter = 0;
        if (dom==0) napisz(djikstra.top().first-last,9);
        if (djikstra.top().first<cel.second){
            napisz(djikstra.top().second,11);
            cel.second = djikstra.top().first;
            cel.first = djikstra.top().second;
            djikstra.pop();
            nast(cel.first,cel.second);
            cel = {-1,-1};
            dom = 0;
        }
    }

    if (ter==11 && cel.second != -1){
        //if (nr<10) cout << "B jestem debilem: " << poprz << '\n';
        cel.first = wczyt;
        ter = 0;
        wczyt = 0;
        //if (nr<10) cout << "B ma: " << djikstra.top().first << ' ' << djikstra.top().second << '\n';
        //if (nr<10) cout << "B dostalo: " << cel.first << ' ' << cel.second << '\n';
        if (min(djikstra.top().first,cel.second) >= (1<<20)-1) return;
        //if (nr<10) cout << "nr 2: " << apuste << ' ' << bpuste << '\n';
        nast(cel.first,cel.second);
        napisz(djikstra.top().first-last,9);
        cel = {-1,-1};
        dom = 1;
    }
}

• 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