oj.uz

Submission #153896

# Submission time Handle Problem Language Result Execution time Memory
153896 2019-09-17T11:14:38 Z stefantaga Bulb Game (FXCUP4_bulb) C++17
0 / 100
 1000 ms 504 KB 
#include "bulb.h"
#include <vector>
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 1;
                }
                poz=l[poz];
            }
            return 0;
        }
        else
        {
            poz=l[0];
            while (notbec(poz)==1)
            {
                poz1=r[poz];
                int ok=0;
                while (notbec(poz1)==1)
                {
                    if (val[r[poz1]].st==-2)
                    {
                        ok=1;
                        break;
                    }
                    poz1=l[poz1];
                }
                if (ok==0)
                {
                    return 1;
                }
            }
            return 0;
        }
    }
}
/// -1=rosu -2=albastru primul vrea rosu,al doilea vrea albastru

Compilation message

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 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Execution timed out 1060 ms 504 KB Time limit exceeded
3 Halted 0 ms 0 KB -

Subtask #2
0 / 25.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 64.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 256 KB Output isn't correct
2 Halted 0 ms 0 KB -