Submission #1058818

#	Time	Username	Problem	Language	Result	Execution time	Memory
1058818		Jarif_Rahman	Two Transportations (JOI19_transportations)	C++17	0 / 100	12 ms	804 KiB

Azer

#include "Azer.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;
 
namespace {

const int inf = 1e8;

vector<int> dijkstra(const vector<vector<pair<int, int>>> &graph, int source){
    int n = graph.size();
    vector<int> dis(n, inf);
    vector<bool> bl(n, 0);
    priority_queue<pair<ll, int>> pq;

    dis[source] = 0;
    pq.push({0, source});

    while(!pq.empty()){
        int nd = pq.top().second; pq.pop();
        if(bl[nd]) continue;
        bl[nd] = 1;
        for(auto [x, w]: graph[nd]) if(dis[nd]+w < dis[x]){
            dis[x] = dis[nd]+w;
            pq.push({-dis[x], x});
        }
    }
    return dis;
}

vector<bool> itob(int x, int sz){
    vector<bool> rt;
    for(int i = 0; i < sz; i++){
        rt.push_back(x%2 == 1);
        x/=2;
    }
    return rt;
}
int btoi(vector<bool> x){
    int rt = 0;
    reverse(x.begin(), x.end());
    for(bool b: x) rt*=2, rt+=b;
    return rt;
}

int n;
vector<vector<pair<int, int>>> graph;
int target = 19;
int m = -1;
vector<bool> b;
vector<int> ans;

}

void InitA(int _n, int A, vector<int> U, vector<int> V, vector<int> C){
    n = _n;
    graph.resize(n);
    for(int i = 0; i < A; i++){
        graph[U[i]].push_back({V[i], C[i]});
        graph[V[i]].push_back({U[i], C[i]});
    }
}

void ReceiveA(bool x){
    target--;
    b.push_back(x);
    if(target) return;
    if(m == -1){
        m = btoi(b);
        b.clear();
        target=m*31;
        return;
    }

    reverse(b.begin(), b.end());
    vector<bool> b2;

    for(int i = 0; i < m; i++){
        for(int j = 0; j < 11; j++) b2.push_back(b.back()), b.pop_back();
        int u = btoi(b2);
        b2.clear();

        for(int j = 0; j < 11; j++) b2.push_back(b.back()), b.pop_back();
        int v = btoi(b2);
        b2.clear();

        for(int j = 0; j < 9; j++) b2.push_back(b.back()), b.pop_back();
        int w = btoi(b2);
        b2.clear();

        graph[u].push_back({v, w});
        graph[v].push_back({u, w});
    }

    ans = dijkstra(graph, 0);
}

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

Baijan

#include "Baijan.h"
#include <bits/stdc++.h>
#define pb push_back
#define f first
#define sc second
using namespace std;
typedef long long int ll;
typedef string str;

namespace {

const int inf = 1e8;

vector<int> dijkstra(const vector<vector<pair<int, int>>> &graph, int source){
    int n = graph.size();
    vector<int> dis(n, inf);
    vector<bool> bl(n, 0);
    priority_queue<pair<ll, int>> pq;

    dis[source] = 0;
    pq.push({0, source});

    while(!pq.empty()){
        int nd = pq.top().second; pq.pop();
        if(bl[nd]) continue;
        bl[nd] = 1;
        for(auto [x, w]: graph[nd]) if(dis[nd]+w < dis[x]){
            dis[x] = dis[nd]+w;
            pq.push({-dis[x], x});
        }
    }
    return dis;
}

vector<bool> itob(int x, int sz){
    vector<bool> rt;
    for(int i = 0; i < sz; i++){
        rt.push_back(x%2 == 1);
        x/=2;
    }
    return rt;
}
int btoi(vector<bool> x){
    int rt = 0;
    reverse(x.begin(), x.end());
    for(bool b: x) rt*=2, rt+=b;
    return rt;
}

int n;
vector<vector<pair<int, int>>> graph;

}

void InitB(int _n, int B, vector<int> S, vector<int> T, vector<int> D){
    n = _n;
    graph.resize(n);
    for(int i = 0; i < B; i++){
        graph[S[i]].push_back({T[i], D[i]});
        graph[T[i]].push_back({S[i], D[i]});
    }

    vector<int> dis = dijkstra(graph, 0);

    vector<tuple<int, int, int>> e;
    for(int i = 0; i < B; i++){
        if(dis[S[i]] == dis[T[i]]+D[i] || dis[T[i]] == dis[S[i]]+D[i])
            e.push_back({S[i], T[i], D[i]});
    }

    vector<bool> sn = itob(e.size(), 19);
    for(bool b: sn) SendB(b);
    for(auto [u, v, w]: e){
        sn = itob(u, 11);
        for(bool b: sn) SendB(b);
        sn = itob(v, 11);
        for(bool b: sn) SendB(b);
        sn = itob(u, 9);
        for(bool b: sn) SendB(b);
    }
}

void ReceiveB(bool x){

}

Compilation message (stderr)

Azer.cpp:35:14: warning: 'std::vector<bool> {anonymous}::itob(int, int)' defined but not used [-Wunused-function]
   35 | vector<bool> itob(int x, int sz){
      |              ^~~~

Baijan.cpp:43:5: warning: 'int {anonymous}::btoi(std::vector<bool>)' defined but not used [-Wunused-function]
   43 | int btoi(vector<bool> x){
      |     ^~~~

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