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#include<fstream>
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
short a[100][100];
int main()
{
int n;
cin>>n;
for(int i=0;i<n;++i)
for(int j=0;j<n;cin>>a[i][j++]);
for(int k=0;k<n;++k)
for(int i=0;i<n;++i)
for(int j=0;j<n;++j)
if(i!=j&&a[i][k]&&a[k][j]&&(!a[i][j]||a[i][j]>a[i][k]+a[k][j]))
a[i][j]=a[i][k]+a[k][j];
for(int i=0;i<n;cout<<'\n',++i)
for(int j=0;j<n;cout<<a[i][j++]<<' ');
return 0;
}