Submission #259351

#	Time	Username	Problem	Language	Result	Execution time	Memory
259351		keko37	Two Transportations (JOI19_transportations)	C++14	100 / 100	2170 ms	85544 KiB

Azer

#include<bits/stdc++.h>
#include "Azer.h"

using namespace std;

typedef pair <int, int> pi;

const int MAXN = 2005;

int n, m, mx, ans, ex, tip, mn, ind, ost, role;
vector <pi> v[MAXN];
int bio[MAXN], dist[MAXN];

//void SendA (bool x) {}

void SendNum (int val, int br) {
    for (int i = br - 1; i >= 0; i--) {
        SendA((bool) (val & (1 << i)));
    }
}

void update (int x, int d) {
    bio[x] = 1; dist[x] = d;
    mx = max(mx, dist[x]);
    for (auto par : v[x]) {
        int sus = par.first, w = par.second;
        if (bio[sus] == 0 && dist[x] + w < dist[sus]) dist[sus] = dist[x] + w;
    }
}

void solve () {
    if (ost == 0) return;
    if (tip == 0) {
        role = rand() % 2;
        SendNum(role, 1);
        tip = 1; solve();
    } else if (role == 0) {
        if (tip == 1) {
            mn = 501, ind = -1;
            for (int j = 1; j <= n; j++) {
                if (bio[j] == 0 && dist[j] - mx < mn) {
                    mn = dist[j] - mx;
                    ind = j;
                }
            }

            SendNum(mn, 9);
            ans = 0; ex = 1;
        } else if (tip == 2) {
            if (ans == 0) {
                SendNum(ind, 11);
                tip = 5;
                solve();
            } else {
                ans = 0; ex = 9;
            }
        } else if (tip == 3) {
            mn = ans;
            ans = 0; ex = 11;
        } else if (tip == 4) {
            ind = ans;
            tip = 5;
            solve();
        } else if (tip == 5) {
            update(ind, mx + mn);
            tip = 0;
            ost--;
            solve();
        }
    } else {
        if (tip == 1) {
            mn = 501, ind = -1;
            for (int j = 1; j <= n; j++) {
                if (bio[j] == 0 && dist[j] - mx < mn) {
                    mn = dist[j] - mx;
                    ind = j;
                }
            }

            ans = 0; ex = 9;
        } else if (tip == 2) {
            if (mn < ans) {
                SendNum(1, 1);
                SendNum(mn, 9);
                SendNum(ind, 11);
                tip = 4;
                solve();
            } else {
                SendNum(0, 1);
                mn = ans;
                ans = 0; ex = 11;
            }
        } else if (tip == 3) {
            ind = ans;
            tip = 4;
            solve();
        } else if (tip == 4) {
            update(ind, mx + mn);
            tip = 0;
            ost--;
            solve();
        }
    }
}

void ReceiveA (bool x) {
    ans *= 2;
    if (x) ans++;
    ex--;
    if (ex == 0) {
        tip++;
        solve();
    }
}

std::vector<int> Answer () {
    vector <int> res(n);
    for (int i = 0; i < n; i++) res[i] = dist[i];
    return res;
}

void InitA (int N, int A, std::vector <int> U, std::vector <int> V, std::vector <int> C) {
    n = N; m = A;
    for (int i = 0; i < m; i++) {
        v[U[i]].push_back({V[i], C[i]});
        v[V[i]].push_back({U[i], C[i]});
    }
    for (int i = 1; i <= n; i++) dist[i] = 1e9;
    update(0, 0);
    ost = n-1;
    solve();
}

/*int main () {
    return 0;
}*/

Baijan

#include<bits/stdc++.h>
#include "Baijan.h"

using namespace std;

typedef pair <int, int> pi;

const int MAXN = 2005;

int n, m, mx, ans, ex, tip, mn, ind, ost, role;
vector <pi> v[MAXN];
int bio[MAXN], dist[MAXN];

//void SendB (bool x) {}

void SendNum (int val, int br) {
    for (int i = br - 1; i >= 0; i--) {
        SendB((bool) (val & (1 << i)));
    }
}

void update (int x, int d) {
    bio[x] = 1; dist[x] = d;
    mx = max(mx, dist[x]);
    for (auto par : v[x]) {
        int sus = par.first, w = par.second;
        if (bio[sus] == 0 && dist[x] + w < dist[sus]) dist[sus] = dist[x] + w;
    }
}

void solve () {
    if (ost == 0) return;
    if (tip == 0) {
        ans = 0; ex = 1;
    } else if (tip == 1) {
        role = !ans;
        tip++; solve();
    } else if (role == 0) {
        if (tip == 2) {
            mn = 501, ind = -1;
            for (int j = 1; j <= n; j++) {
                if (bio[j] == 0 && dist[j] - mx < mn) {
                    mn = dist[j] - mx;
                    ind = j;
                }
            }

            SendNum(mn, 9);
            ans = 0; ex = 1;
        } else if (tip == 3) {
            if (ans == 0) {
                SendNum(ind, 11);
                tip = 6;
                solve();
            } else {
                ans = 0; ex = 9;
            }
        } else if (tip == 4) {
            mn = ans;
            ans = 0; ex = 11;
        } else if (tip == 5) {
            ind = ans;
            tip = 6;
            solve();
        } else if (tip == 6) {
            update(ind, mx + mn);
            tip = 0;
            ost--;
            solve();
        }
    } else {
        if (tip == 2) {
            mn = 501, ind = -1;
            for (int j = 1; j <= n; j++) {
                if (bio[j] == 0 && dist[j] - mx < mn) {
                    mn = dist[j] - mx;
                    ind = j;
                }
            }

            ans = 0; ex = 9;
        } else if (tip == 3) {
            if (mn < ans) {
                SendNum(1, 1);
                SendNum(mn, 9);
                SendNum(ind, 11);
                tip = 5;
                solve();
            } else {
                SendNum(0, 1);
                mn = ans;
                ans = 0; ex = 11;
            }
        } else if (tip == 4) {
            ind = ans;
            tip = 5;
            solve();
        } else if (tip == 5) {
            update(ind, mx + mn);
            tip = 0;
            ost--;
            solve();
        }
    }
}

void ReceiveB (bool x) {
    ans *= 2;
    if (x) ans++;
    ex--;
    if (ex == 0) {
        tip++;
        solve();
    }
}

void InitB (int N, int B, std::vector <int> U, std::vector <int> V, std::vector <int> C) {
    n = N; m = B;
    for (int i = 0; i < m; i++) {
        v[U[i]].push_back({V[i], C[i]});
        v[V[i]].push_back({U[i], C[i]});
    }
    for (int i = 1; i <= n; i++) dist[i] = 1e9;
    update(0, 0);
    ost = n-1;
    solve();
}

/*int main () {
    return 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