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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,i,j,k,a[105][105];
int main()
{
cin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
cin>>a[i][j];
}
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(a[i][k]&&a[k][j]&&i!=j&&(a[i][j]>a[i][k]+a[k][j]||!a[i][j])) a[i][j]=a[i][k]+a[k][j];
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
cout<<a[i][j]<<' ';
}
cout<<'\n';
}
return 0;
}