Submission #426913

#	Time	Username	Problem	Language	Result	Execution time	Memory
426913		Pbezz	Split the Attractions (IOI19_split)	C++14	11 / 100	122 ms	16964 KiB

split

#include "split.h"
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define pb push_back
typedef pair<ll,ll> pii;

const ll MAXN = 2e5+5;
const ll INF = 1e9+7;

vector<vector<ll>>adj(MAXN);
int order[MAXN],cur=1,B;
bool visited[MAXN];

void dfs(ll node){//cur esta a contar com este
visited[node]=true;

order[node]=2;

for(auto u:adj[node]){
if(visited[u])continue;

if(cur+1<=B){
cur++;
dfs(u);
}

}

}

vector<int> find_split(int n,int a,int b,int c,vector<int>p,vector<int> q) {

	int i,m=p.size(); B=b;
	vector<int> res(n);

	for(i=0;i<n;i++)order[i]=0;

	for(i=0;i<m;i++){
	adj[p[i]].pb(q[i]);
	adj[q[i]].pb(p[i]);
	}

	dfs(0);
	bool done = false;
	for(i=0;i<n;i++){

	if(order[i]==2){
	res[i]=2;
	}else if(done==false){
	res[i]=1;
	done=true;
	}else{
	res[i]=3;
	}

}


	return res;
}

• Subtask 1: 0 / 7
• Subtask 2: 11 / 11
• Subtask 3: 0 / 22
• Subtask 4: 0 / 24
• Subtask 5: 0 / 36