Submission #1163799

#	Time	Username	Problem	Language	Result	Execution time	Memory
1163799		steveonalex	Two Transportations (JOI19_transportations)	C++20	0 / 100	92 ms	1064 KiB

Azer

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()

ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}

ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ull mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}

//mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}

template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }

template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }

template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }

template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

#include "Azer.h"

const int INF = 1e9 + 69;

struct Edge{
    int u, v, w;
    Edge(int u = 0, int v = 0, int w = 0): u(u), v(v), w(w){}
};

struct P{
    int i, w;
    P(int i = 0, int w = 0): i(i), w(w){}
};

struct compare{
    bool operator () (P a, P b){return a.w > b.w;}
};

vector<int> gen_dis(int n, vector<Edge> e){
    vector<vector<P>> graph(n);
    for(auto i: e){
        int u = i.u, v = i.v, w = i.w;
        graph[u].push_back(P(v, w));
        graph[v].push_back(P(u, w));
    }

    priority_queue<P, vector<P>, compare> pq;
    vector<int> dis(n, INF);

    for(int i = 0; i < n; ++i) if (dis[i] == INF){
        dis[i] = 0; pq.push(P(i, 0));
        while(pq.size()){
            P u = pq.top(); pq.pop();

            for(P v: graph[u.i]){
                if (minimize(dis[v.i], dis[u.i] + v.w))
                    pq.push(P(v.i, dis[v.i]));
            }
        }
    }
    return dis;
}

void dfs(int u, vector<vector<int>> &graph, vector<int> &parent){
    for(int v: graph[u]) if (parent[v] == -1){
        parent[v] = u;
        dfs(v, graph, parent);
    }
}

int n1;
vector<Edge> e1;
vector<bool> infoA;
void InitA(int n, int m, vector<int> u, vector<int> v, vector<int> w){
    n1 = n;
    e1.clear(); infoA.clear();
    for(int i = 0; i < m; ++i)
        e1.push_back(Edge(u[i], v[i], w[i]));
    vector<int> dih = gen_dis(n1, e1);

    vector<vector<int>> graph(n1);
    vector<int> parent(n1, -1);
    for(Edge i: e1){
        int u = i.u, v = i.v, w = i.w;
        if (dih[u] == dih[v] + w) graph[v].push_back(u);
        if (dih[v] == dih[u] + w) graph[u].push_back(v);
    }

    for(int i = 0; i < n1; ++i) if (dih[i] == 0 && parent[i] == -1){
        parent[i] = i;
        dfs(i, graph, parent);
    }

    vector<int> diff(n1);
    for(int i = 0; i < n1; ++i) diff[i] = dih[i] - dih[parent[i]];

    for(int i = 0; i < n1; ++i){
        bitset<11> ver(parent[i]);
        bitset<9> weight(diff[i]);
        for(int j= 0; j < 11; ++j) SendA(ver[j]);
        for(int j= 0; j < 9; ++j) SendA(weight[j]);
    }
}

void ReceiveA(bool x){
    infoA.push_back(x);
}

vector<int> Answer(){

    vector<int> dih = gen_dis(n1, e1);
    return dih;
}

Baijan

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

#define MASK(i) (1ULL << (i))
#define GETBIT(mask, i) (((mask) >> (i)) & 1)
#define ALL(v) (v).begin(), (v).end()

ll max(ll a, ll b){return (a > b) ? a : b;}
ll min(ll a, ll b){return (a < b) ? a : b;}
ll gcd(ll a, ll b){return __gcd(a, b);}
ll lcm(ll a, ll b){return a / gcd(a, b) * b;}

ll LASTBIT(ll mask){return (mask) & (-mask);}
int pop_cnt(ull mask){return __builtin_popcountll(mask);}
int ctz(ull mask){return __builtin_ctzll(mask);}
int logOf(ull mask){return 63 - __builtin_clzll(mask);}

//mt19937_64 rng(chrono::high_resolution_clock::now().time_since_epoch().count());
mt19937_64 rng(1);
ll rngesus(ll l, ll r){return l + (ull) rng() % (r - l + 1);}

template <class T1, class T2>
    bool maximize(T1 &a, T2 b){
        if (a < b) {a = b; return true;}
        return false;
    }

template <class T1, class T2>
    bool minimize(T1 &a, T2 b){
        if (a > b) {a = b; return true;}
        return false;
    }

template <class T>
    void printArr(T container, string separator = " ", string finish = "\n", ostream &out = cout){
        for(auto item: container) out << item << separator;
        out << finish;
    }

template <class T>
    void remove_dup(vector<T> &a){
        sort(ALL(a));
        a.resize(unique(ALL(a)) - a.begin());
    }

#include "Baijan.h"

const int INF = 1e9 + 69;

struct Edge{
    int u, v, w;
    Edge(int u = 0, int v = 0, int w = 0): u(u), v(v), w(w){}
};

struct P{
    int i, w;
    P(int i = 0, int w = 0): i(i), w(w){}
};

struct compare{
    bool operator () (P a, P b){return a.w > b.w;}
};

vector<int> gen_dis(int n, vector<Edge> e){
    vector<vector<P>> graph(n);
    for(auto i: e){
        int u = i.u, v = i.v, w = i.w;
        graph[u].push_back(P(v, w));
        graph[v].push_back(P(u, w));
    }

    priority_queue<P, vector<P>, compare> pq;
    vector<int> dis(n, INF);

    for(int i = 0; i < n; ++i) if (dis[i] == INF){
        dis[i] = 0; pq.push(P(i, 0));
        while(pq.size()){
            P u = pq.top(); pq.pop();

            for(P v: graph[u.i]){
                if (minimize(dis[v.i], dis[u.i] + v.w))
                    pq.push(P(v.i, dis[v.i]));
            }
        }
    }
    return dis;
}

void dfs(int u, vector<vector<int>> &graph, vector<int> &parent){
    for(int v: graph[u]) if (parent[v] == -1){
        parent[v] = u;
        dfs(v, graph, parent);
    }
}

int n2;
vector<Edge> e2;
vector<bool> infoB;

void InitB(int n, int m, vector<int> u, vector<int> v, vector<int> w){
    e2.clear(); infoB.clear();
    n2 = n;
    for(int i = 0; i < m; ++i)
        e2.push_back(Edge(u[i], v[i], w[i]));
}

void ReceiveB(bool x){
    infoB.push_back(x);
    if (infoB.size() == n2 * 20){

        vector<int> dih = gen_dis(n2, e2);

        vector<vector<int>> graph(n2);
        vector<int> parent(n2, -1);
        for(Edge i: e2){
            int u = i.u, v = i.v, w = i.w;
            if (dih[u] == dih[v] + w) graph[v].push_back(u);
            if (dih[v] == dih[u] + w) graph[u].push_back(v);
        }

        for(int i = 0; i < n2; ++i) if (dih[i] == 0 && parent[i] == -1){
            parent[i] = i;
            dfs(i, graph, parent);
        }
        
        for(int i = 0; i < n2; ++i) if (parent[i] < 0 || parent[i] >= n2) assert(false);
    }
}

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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