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#include <fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n, v[102][102];
int main()
{
cin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
cin>>v[i][j];
if(v[i][j]==0)
v[i][j]=1e9;
}
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
for(int k=1; k<=n; k++)
if(v[i][k]+v[k][j]<v[i][j])
v[i][j]=v[i][k]+v[k][j];
for(int i=1; i<=n; i++,cout<<endl)
for(int j=1; j<=n; j++)
if(v[i][j]==1e9 || i==j)
cout<<0<<" ";
else
cout<<v[i][j]<<" ";
}