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#include <fstream>
#define inf 0x3f3f3f3f
using namespace std;
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,mat[103][103];
int main()
{
cin>>n;
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j){
cin>>mat[i][j];
if(mat[i][j]==0 && i!=j) mat[i][j]=inf;
}
for(int k=1;k<=n;++k)
for(int i=1;i<=n;++i)
for(int j=1;j<=n;++j)
if(mat[i][j]>mat[i][k]+mat[k][j])
mat[i][j]=mat[i][k]+mat[k][j];
for(int i=1;i<=n;++i,cout<<'\n')
for(int j=1;j<=n;++j)
if(mat[i][j]!=inf) cout<<mat[i][j]<<" ";
else cout<<0<<" ";
return 0;
}