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#include <fstream>
#define infinit 9999999
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int mat[101][101],n,i,j,k;
int main()
{
cin>>n;
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
cin>>mat[i][j];
for(k=1; k<=n; k++)
for(i=1; i<=n; i++)
for(j=1; j<=n; j++)
if(i!=j && mat[i][k] && mat[k][j] && (mat[i][j]==0 || mat[i][j]>mat[i][k]+mat[k][j]))
mat[i][j]=mat[i][k]+mat[k][j];
for(i=1; i<=n; i++)
{
for(j=1; j<=n; j++)
cout<<mat[i][j]<<" ";
cout<<"\n";
}
}