제출 #658346

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
658346		ssense	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	0 / 100	1 ms	212 KiB

skyscraper

#include <bits/stdc++.h>
#define startt ios_base::sync_with_stdio(false);cin.tie(0);
typedef long long  ll;
using namespace std;
#define vint vector<int>
#define all(v) v.begin(), v.end()
#define MOD 1000000007
#define MOD2 998244353
#define MX 1000000000
#define MXL 1000000000000000000
#define PI (ld)2*acos(0.0)
#define pb push_back
#define sc second
#define fr first
#define int long long
#define endl '\n'
#define ld long double
#define NO cout << "NO" << endl
#define YES cout << "YES" << endl
//mesanu

int mp[30005][175];
vector<vector<pair<int, int>>> adj;
void cnn(int first, int second)
{
    vector<pair<int, int>> a;
    mp[first][second] = adj.size();
    adj.pb(a);
}

int dijkstra(int s, int e)
{
    int n = adj.size();
        vector<int> d(n, MXL);

        d[s] = 0;
        set<pair<int, int>> q;
        q.insert({0, s});
        while (!q.empty()) {
            int v = q.begin()->second;
            q.erase(q.begin());

            for (auto edge : adj[v]) {
                int to = edge.first;
                int len = edge.second;

                if (d[v] + len < d[to]) {
                    q.erase({d[to], to});
                    d[to] = d[v] + len;
                    q.insert({d[to], to});
                }
            }
        }
    return d[e];
}

void solve()
{
    int n, m;
    cin >> n >> m;
    int start = 0;
    int end = 0;
    int th = sqrt(n);
    vector<pair<int, int>> ph;
    adj.pb(ph);
    for(int i = 0; i < n; i++)
    {
        cnn(i, 0);
    }
    for(int sky = 0; sky < n; sky++)
    {
        for(int power = 1; power <= th; power++)
        {
            cnn(sky, power);
        }
    }
    for(int sky = 0; sky < n; sky++)
    {
        for(int power = 1; power <= th; power++)
        {
            adj[mp[sky][power]].pb({mp[sky][0], 0});
            if(sky-power >= 0)
            {
                adj[mp[sky][power]].pb({mp[sky-power][power], 1});
            }
            if(sky+power < n)
            {
                adj[mp[sky][power]].pb({mp[sky+power][power], 1});
            }
        }
    }
    for(int i = 0; i < m; i++)
    {
        int sky, power;
        cin >> sky >> power;
        if(i == 0)
        {
            start = sky;
        }
        if(i == 1)
        {
            end = sky;
        }
        if(power <= th)
        {
            adj[mp[sky][0]].pb({mp[sky][power], 0});
        }
        else
        {
            for(int j = sky%power; j < n; j+=power)
            {
                adj[mp[sky][0]].pb({mp[j][0], abs(sky-j)/power});
            }
        }
    }
    cout << "bruh" << endl;
    return;
    int dist = dijkstra(mp[start][0], mp[end][0]);
    if(dist == MXL)
    {
        cout << -1 << endl;
    }
    else
    {
        cout << dist << endl;
    }
}

int32_t main(){
    startt
    int t = 1;
    //cin >> t;
    while (t--) {
        solve();
    }
}


/*
5 3
0 2
1 1
4 1
 */

• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 14
• Subtask 4: 0 / 21
• Subtask 5: 0 / 43