Submission #601867

#	Time	Username	Problem	Language	Result	Execution time	Memory
601867		Minindu2006	Split the Attractions (IOI19_split)	C++17	0 / 100	468 ms	1048576 KiB

split

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

const int MX = 1e5 + 1;
int pathC = 0;
vector<int> adj[MX], vis(MX, 0);
void dfs(int i, vector<int> &res, int a, int b)
{
	vis[i] = 1;
    if(pathC < a)
        res[i] = 1;
    else if(pathC < a + b)
        res[i] = 2;
    pathC++;
	for(auto a:adj[i])
	{
		if(!vis[a])
			dfs(i, res, a, b);
	}
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
	vector<int> res(n, 3);
	int m = p.size();
	for(int i=0;i<m;i++)
	{
		adj[p[i]].push_back(q[i]);
		adj[q[i]].push_back(p[i]);
	}
	int root = -1;
    for(int i=0;i<n;i++)
        if(adj[i].size() == 1)
        {
            root = i;
            break;
        }
    root = max(root, 0);
    dfs(root, res,a , b);
    return res;
}

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