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#include <fstream>
using namespace std;
int n,w[101][101];
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int main()
{
ios_base::sync_with_stdio(false);
cin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
cin>>w[i][j];
if(w[i][j]==0)
w[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(i==j) continue;
w[i][j]=min(w[i][j],w[i][k]+w[k][j]);
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
if(w[i][j]==1e9)
w[i][j]=0;
cout<<w[i][j]<<' ';
}
cout<<'\n';
}
return 0;
}