제출 #679346

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
679346		Hiennoob123	Commuter Pass (JOI18_commuter_pass)	C++14	0 / 100	143 ms	31532 KiB

commuter_pass

#include<bits/stdc++.h>
#define ll long long
#define int long long
#define ld long double
#define cd complex<ld>
#define pll pair<ll,ll>
#define pii pair<int,int>
#define pld pair<ld,ld>
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n, m;
vector<pll> T[100005];
ll save[4];
ll dis[4][10005];
bool chk[100005];
bool in[100005];
ll dp[100005];
ll sum[100005];
vector<ll> adj[100005];
ll ans = LLONG_MAX;
void dijsktra(ll type)
{
    for(int i = 1; i<= n; i++) dis[type][i] = LLONG_MAX;
    for(int i = 1; i<= n; i++) chk[i] = 0;
    priority_queue<pll,vector<pll>, greater<pll>> q;
    dis[type][save[type]] = 0;
    q.push(mp(0 , save[type]));
}
void dfs(ll v)
{
    for(auto x: adj[v])
    {
        dfs(x);
        dp[v] = min(dp[v], dp[x]);
    }
    ans = min(ans, dp[v]+sum[v]);
}
void solve()
{
    cin >> n >> m;
    cin >> save[2] >> save[3] >> save[0] >> save[1];
    for(int i = 0 ;i< m; i++)
    {
        ll a, b, c;
        cin >> a >> b >> c;
        T[a].push_back(mp(b,c));
        T[b].push_back(mp(a,c));
    }
    dijsktra(2); dijsktra(3);
}
signed main()
{
    //freopen("IN.txt","r",stdin);
    //freopen("OUT.txt","w",stdout);
    ios_base::sync_with_stdio(NULL) ; cin.tie(nullptr) ; cout.tie(nullptr);
    ll t = 1;
    //cin >> t;
    while(t--)
    {
        solve();
        cout << "\n";
    }
}

• Subtask 1: 0 / 16
• Subtask 2: 0 / 15
• Subtask 3: 0 / 24
• Subtask 4: 0 / 45