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#include <fstream>
#define INF 100000001
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,A[101][101];
int main()
{
cin>>n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
cin>>A[i][j];
if(i!=j&&!A[i][j]) A[i][j]=INF;
}
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
A[i][j] = min(A[i][j],A[i][k]+A[k][j]);
for(int i=1; i<=n; i++,cout<<'\n')
for(int j=1; j<=n; j++)
{
if(A[i][j]==INF) cout<<0;
else cout<<A[i][j];
cout<<' ';
}
return 0;
}