Submission #282351

#	Time	Username	Problem	Language	Result	Execution time	Memory
282351		iliccmarko	Traffic (IOI10_traffic)	C++14	0 / 100	83 ms	55416 KiB

traffic

#include <bits/stdc++.h>
#include<traffic.h>
using namespace std;
#define ll long long
#define endl "\n"

using namespace std;


long long dfs(int u, int pret, vector<vector<int> > g, long long &ans, int &ind, long long svi, int p[])
{
    long long br = 0;
    for(int i = 0;i<(int)g[u].size();i++)
    {
        int s = g[u][i];
        if(s==pret) continue;
        br+=dfs(s, u, g, ans, ind, svi, p);
    }

    long long maks = max(br, svi - p[u] - br);

    if(maks<ans)
    {
        ans = maks;
        ind = u;
    }

    return br + p[u];
}

int LocateCentre(int n, int p[], int s[], int d[])
{
    vector<vector<int> > g(1000);
    for(int i = 0;i<n-1;i++)
    {
        int a = s[i];
        int b = d[i];
        g[a].push_back(b);
        g[b].push_back(a);
    }
    long long svi = 0;
    for(int i = 0;i<n;i++)
    {
        svi+=p[i];
    }
    long long ans = LLONG_MAX;
    int ind;
    dfs(1, -1, g, ans, ind, svi, p);
    return ind;
}

• Subtask 1: 0 / 25
• Subtask 2: 0 / 25
• Subtask 3: 0 / 25
• Subtask 4: 0 / 25