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#include <fstream>
using namespace std;
ifstream cin ("royfloyd.in");
ofstream cout ("royfloyd.out");
int n,m,a[2005][2005],b[2005],d[2005][2005],ans[2005],nr;
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
cin>>a[i][j];
if(a[i][j]!=0)
d[i][j]=a[i][j];
else
d[i][j]=1e9;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(d[i][k]!=1e9 && d[k][j]!=1e9)
d[i][j]=min(d[i][j],d[i][k]+d[k][j]);
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(i==j)
cout<<0<<' ';
else
cout<<d[i][j]<<' ';
}
cout<<'\n';
}
return 0;
}