제출 #994886

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
994886		thelegendary08	도로 폐쇄 (APIO21_roads)	C++14	5 / 100	40 ms	5840 KiB

roads

#include "roads.h"
#include<bits/stdc++.h>
#define f0r(i,n) for(int i = 0;i<n;i++)
#define pb push_back
#define ll long long int
#define vi vector<ll>

using namespace std;

std::vector<long long> minimum_closure_costs(int N, std::vector<int> U, std::vector<int> V, std::vector<int> W) {
	vi r(N, 0); 
    
	f0r(i,N-1){
		r[U[i]]++;
		r[V[i]]++;
	}
	vector<long long int> ans;
	vi w;
	f0r(i,N-1)w.pb(W[i]);
	if(r[0] == N-1){
		sort(w.begin(), w.end());
		ll sum = 0;
		ans.pb(0);
		f0r(i,N-1){
			sum += w[i];
			ans.pb(sum);
		}
		reverse(ans.begin(), ans.end());
	}
	else{
		ll sum = 0;
		f0r(i, N-1)sum += w[i];
		ans.pb(sum);
		if(N % 2 == 0){
			ll od = 0;
			ll ev = 0;
			f0r(i, N-1){
				if(i % 2 == 0)ev += w[i];
				else od += w[i];
			}
			ans.pb(min(ev, od));
		}
		else{
			ll cur = 0;
			f0r(i, N-1){
				if(i % 2 == 0){
					cur+=w[i];
				}
			}
			ll mn = cur;
			for(int i = N-2; i>=1;i-=2){
				cur += w[i];
				cur -= w[i-1];
				mn = min(mn, cur);
			}
			ans.pb(mn);
		}
		
		for(int i = 2;i<N;i++)ans.pb(0);
	}
	return ans;
}

• Subtask 1: 5 / 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