Answer Posted / krishna anil dadge

#include<iostream>
using namespace std;
int main()
{
for(int i=1;i<=5;i++)
{
for(int j=1;j<=i;j++)
{
if((i+j)%2==0)
{
cout<<"1";
}
else
{
cout<<"0";
}
}
cout<<endl;
}
return 0;
}

Write a program to maintain a singly linked list having the following functions: a) Creation of the list b) Displaying the list. c) Swap all nodes at consecutive even odd positions. E.g.: The nodes at position 1 should be swapped with node 2, node 3 with node 4 and so on.

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