Submission #1176293

#	Time	Username	Problem	Language	Result	Execution time	Memory
1176293		vnedu	Factories (JOI14_factories)	C++20	0 / 100	11 ms	4672 KiB

factories

#include "factories.h"
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;

template<class T> bool maximize(T &a, const T &b){ return (a < b ? a = b, 1 : 0); }
template<class T> bool minimize(T &a, const T &b){ return (a > b ? a = b, 1 : 0); }

#define fi first
#define se second

#define pb push_back
#define ii pair<int, int>

#define all(x) x.begin(), x.end()

#define TASK "nonsense"

/// end of template ///

const int N = 5e3 + 53;
ll d[N][N];
vector<ii> adj[N];
void dfs(int u, int pa, ll dis, int root)
{
    d[root][u]=dis;
    for (ii p : adj[u]) if (p.fi!=pa)
    {
        int v=p.fi,w=p.se;
        dfs(v,u,dis+w,root);
    }
}

void Init(int n, int A[], int B[], int D[]) {
    for (int i=0; i<n; ++i)
    {
        int u=A[i],v=B[i],w=D[i];
        adj[u].pb({v,w});
        adj[v].pb({u,w});
    }
    for (int i=0; i<n; ++i) dfs(i,-1,0,i);
}

long long Query(int S, int X[], int T, int Y[]) {
    ll ans=LLONG_MAX;
    for (int i=0; i<S; ++i) for (int j=0; j<T; ++j)
    {
        int u=X[i],v=Y[j];
        minimize(ans,d[u][v]);
    }
    return ans;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 18
• Subtask 3: 0 / 67