Submission #154076

#	Time	Username	Problem	Language	Result	Execution time	Memory
154076		stefantaga	Bulb Game (FXCUP4_bulb)	C++17	0 / 100	13 ms	8312 KiB

bulb

#include <bits/stdc++.h>
#include "bulb.h"
using namespace std;
struct bec
{
    int st,dr;
}val[300005];
bool notbec (int nr)
{
    if (nr==-1||nr==-2)
    {
        return 0;
    }
    return 1;
}
void dfs (int x,vector <int> l,vector <int> r)
{
    if (notbec(l[x]))
    {
        dfs(l[x],l,r);
        val[x].st=val[l[x]].st;
    }
    else
    {
        val[x].st=l[x];
    }
    if (notbec(r[x]))
    {
        dfs(r[x],l,r);
        val[x].dr=val[r[x]].st;
    }
    else
    {
        val[x].dr=r[x];
    }
}
int FindWinner(int t,vector<int> l,vector<int> r)
{
	int n= l.size(),poz,poz1;
	poz=0;
	while (poz!=-1&&poz!=-2)
    {
        poz=l[poz];
    }
    if (poz==-2)
    {
    return 0;
    }
    else
    {
        dfs(0,l,r);
        if (val[0].dr==-2)
        {
            poz=l[0];
            while (notbec(poz)==1)
            {
                if (val[r[poz]].st==-2)
                {
                    return 0;
                }
                poz=l[poz];
            }
            poz=r[0];
            while (notbec(poz)==1)
            {
                if (val[r[poz]].st==-1)
                {
                    return 0;
                }
                poz=l[poz];
            }
            return 1;
        }
        else
        {
            int ok;
            poz=l[0];
            while (notbec(poz)==1)
            {
                poz1=r[poz];
               ok=0;
                while (notbec(poz1)==1)
                {
                    if (val[r[poz1]].st==-2)
                    {
                        ok=1;
                        break;
                    }
                    poz1=l[poz1];
                }
                if (ok==0)
                {
                    return 0;
                }
                poz=l[poz];
            }
            return 1;
        }
    }
}

Compilation message (stderr)

bulb.cpp: In function 'int FindWinner(int, std::vector<int>, std::vector<int>)':
bulb.cpp:39:6: warning: unused variable 'n' [-Wunused-variable]
  int n= l.size(),poz,poz1;
      ^

• Subtask 1: 0 / 11
• Subtask 2: 0 / 25
• Subtask 3: 0 / 64