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#include <fstream>
#define Max 10000001
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n;
int drum[101][101];
int main()
{
cin>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
{
cin>>drum[i][j];
if(!drum[i][j] && i!=j)
drum[i][j]=Max;
}
for(int k=1;k<=n;k++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
drum[i][j]=min( drum[i][j] , drum[i][k]+drum[k][j] );
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(drum[i][j]==Max)
drum[i][j]=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
cout<<drum[i][j]<<' ';
cout<<'\n';
}
return 0;
}