#include<iostream>
using namespace std;
int main()
{
int n;
cout<<"Enter total number of vertices"<<endl;
cin>>n;
//matrix
int a[n][n];
int i,j,k;
cout<<"Input the value of adjacency matrix"<<endl;
for(i=0;i<n;i++)
{
cout<<"Enter the value of "<<i+1<<"row";
for(j=0;j<n;j++)
{
cin>>a[i][j];
}
}
//display cost matrix
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl;
}
// algo
for(k=0;k<n;k++)
{
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
a[i][j]=a[i][j] || (a[i][k] && a[k][j]);
}
}
}
//diaplay
cout<<"output matrix"<<endl;
for(i=0;i<n;i++)
{
for(j=0;j<n;j++)
{
cout<<a[i][j]<<" ";
}
cout<<endl;
}
}
