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#include<fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int const N=1e9;
int a[101][101];
int main()
{
int n,i,j,k;
in>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
in>>a[i][j];
if(a[i][j]==0&&i!=j)
a[i][j]=N;
}
for(k=1;k<=n;k++)
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
if(a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
out<<a[i][j]<<" ";
out<<'\n';
}
return 0;
}