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#include<fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int i,n,j,k,a[103][103],inf=999999;
int main()
{
fin>>n;
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
fin>>a[i][j];
if(a[i][j]==0 && i!=j)
a[i][j]=inf;
}
}
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++)
{
if(a[i][j]!=inf)
fout<<a[i][j]<<" ";
else
fout<<0<<" ";
}
fout<<"\n";
}
return 0;
}