Submission #564169

#	Time	Username	Problem	Language	Result	Execution time	Memory
564169		pvpwarrior	Road Closures (APIO21_roads)	C++14	0 / 100	126 ms	21284 KiB

roads

#include "roads.h"
#include <bits/stdc++.h>
using namespace std;
#define fastio ios_base::sync_with_stdio(false); cin.tie(NULL)
#define ll long long
#define vi std::vector<ll>
#define si set<ll>
#define INF 100000000
#define pb push_back
#define mod 1000000007

std::vector<long long> minimum_closure_costs(int N, std::vector<int> U,
                                             std::vector<int> V,
                                             std::vector<int> W) {
    ll n = N;
    set<pair < ll, ll > > adj[n];
    // for (int i = 0; i < n-1; ++i){
    //     cin >> u[i] >> v[i] >> w[i];
    // }
    // for (int i = 0; i < n; ++i){
    //     cin >> v[i];
    // }
    // for (int i = 0; i < n; ++i){
    //     cin >> w[i];
    // }
    ll sum = 0;
    ll s1 = 0, s2= 0;
    for (int i = 0; i < n-1; ++i){
        adj[V[i]].insert(make_pair(W[i] , U[i]));
        adj[U[i]].insert(make_pair(W[i] , V[i]));
        sum += W[i];
        if(i%2==0)s1+=W[i];
        else s2+=W[i];
    }
    vi ans(n,0);
    ans[0]=sum;
    ans[1]=min(s1,s2);
    return ans;
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 7
• Subtask 3: 0 / 14
• Subtask 4: 0 / 10
• Subtask 5: 0 / 17
• Subtask 6: 0 / 25
• Subtask 7: 0 / 22