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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int a[101][101],n;
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 && i != j) a[i][j] = 1000000000;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(a[i][k] && a[k][j] && a[i][j] && a[i][k]+a[k][j]<a[i][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++,cout<<endl)
for(int j=1;j<=n;j++)
{
if(a[i][j]==1000000000) cout<<0<<' ';
else cout<<a[i][j]<< ' ';
}
return 0;
}