Submission #150897

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
150897	2019-09-01 10:17:26	Alexa2001	Bulb Game (FXCUP4_bulb)	C++17	100 / 100	103 ms	30364 KiB

bulb

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#include "bulb.h"
#include <bits/stdc++.h>
using namespace std;
const int Nmax = 3e5 + 5;
bool bad = 0;
int v1[Nmax], v2[Nmax];
int subarb[Nmax];
int dfs(int node, vector<int> &L, vector<int> &R, int e1, int e2, int e3)
{
    if(node == -1)
        return 0;
    if(node == -2)
    {
        if(e1 == -1) bad = 1;
        else
            if(e2 == -1) return 1;
                else
                    if(e3 == -1)
                    {
                        v2[e1]++;
                        v2[e2]++;
                    }
        return 0;
    }
    int ans = dfs(L[node], L, R, e1, e2, e3);
 
 
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• Subtask 1: 11 / 11
• Subtask 2: 25 / 25
• Subtask 3: 64 / 64