Submission #368377

#	Time	Username	Problem	Language	Result	Execution time	Memory
368377		leinad2	Split the Attractions (IOI19_split)	C++17	7 / 100	2075 ms	9068 KiB

split

#include "split.h"
#include<bits/stdc++.h>
using namespace std;
vector<int>adj[100010];
int i, j, k, cnt;
vector<int>find_split(int n, int a, int b, int c, vector<int>p, vector<int>q)
{
    vector<int>res(n);
    for(i=0;i<n-1;i++)
    {
        adj[p[i]].push_back(q[i]);
        adj[q[i]].push_back(p[i]);
    }
    for(i=0;i<n;i++)if(adj[i].size()==1)break;
    res[i]=++cnt;
    i=adj[i][0];
    while(1)
    {
        res[i]=++cnt;
        if(adj[i].size()==1)break;
        if(res[adj[i][0]])i=adj[i][1];
        else i=adj[i][0];
    }
    for(i=0;i<n;i++)
    {
        if(res[i]<=a)res[i]=1;
        else if(res[i]<=b+a)res[i]=2;
        else res[i]=3;
    }
    return res;
}

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