Debug the following code:

#include<iostream>

#include<cstring>

#include<vector>

using namespace std;

void x(int a,int b);

bool z(int a,int b);

int y(int a);

vector<int>p(10,17);

int main()

{

int n,a,b;

cin>>n;

for(int i=0;i<n;i++)

{

cin>>a>>b;

x(a,b);

}

cin>>a>>b;

if(z(a,b))

cout<<"true";

else

cout<<"false";

}

void x(int a,int b)

{

int aa=y(a);

int bb=y(b);

p[a]=bb;

p[b]=aa;

}

bool z(int a,int b)

{

if(y(a)==y(b))

return true;

else

return false;

}

int y(int a)

{

if(p[a]==65536)

return a;

else

{

return y(a-1);

}

}

Input :

First line indicates the no: of elements in an array. Second line denotes the elements of the array

Output:

Either true or false

Sample input:

2
3
86 77
15 93
35 86
2 9
1
62 27
0 9

Sample output:

false
false