Submission #409086

#	Time	Username	Problem	Language	Result	Execution time	Memory
409086		AmineTrabelsi	Split the Attractions (IOI19_split)	C++14	0 / 100	625 ms	1048580 KiB

split

#include "split.h"
#include <bits/stdc++.h>
using namespace std;

void get_order(int node,int par,vector<int> &order,vector<vector<int>> &gr){
    order.push_back(node);
    for(auto i:gr[node]){
        if(i != par)get_order(i,node,order,gr);
    }
}
vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
    vector<vector<int>> gr(n+1,vector<int>());
    vector<int> order;
	for(int i=0;i<(int)p.size();i++){
        gr[p[i]].push_back(q[i]);
        gr[q[i]].push_back(p[i]);
    }
    for(int i=0;i<n;i++){
        if((int)gr[i].size() == 1){
            get_order(i,-1,order,gr);
            break;
        }
    }
    vector<int> res(n,0);
    int ind = 0;
    while(a--){
        res[order[ind++]] = 1;
    }
    while(b--){
        res[order[ind++]] = 2;
    }
    while(ind < n){
        res[order[ind++]] = 3;
    }
	return res;
}

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