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#include<fstream>
using namespace std;
int main()
{
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int i,j,k,n;
cin>>n;
int dist[n+3][n+3];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
cin>>dist[i][j];
}
dist[i][i]=0;
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(dist[i][j]>dist[i][k]+dist[k][j])
{
dist[i][j]=dist[i][k]+dist[k][j];
}
}
}
}
for(i=1;i<=n;i++){
for(j=1;j<=n;j++)cout<<dist[i][j]<<" ";
cout<<endl;
}
}