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#include <fstream>
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];
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]!=0&&a[k][j]!=0&&a[i][j]>a[i][k]+a[k][j])
a[i][j]=a[i][k]+a[k][j];
for(int i=1;i<=n;i++){
for(int j=1;j<=n;j++)
cout<<a[i][j]<<" ";
cout<<'\n';
}
return 0;
}