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#include <fstream>
using namespace std;
#define INF 20000000
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int v[101][101],i,j,k,n;
int main()
{
fin>>n;
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
v[i][j]=INF;
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
fin>>v[i][j];
for(k=1;k<=n ; ++k)
for(i=1;i<=n;++i)
for(j=1;j<=n;++j)
if(v[i][j] > v[i][k] + v[k][j] && i!=j)
v[i][j] = v[i][k] + v[k][j];
for(i=1;i<=n;++i,fout<<'\n')
for(j=1;j<=n;++j)
if(v[i][j]==INF)
fout<<0<<' ';
else
fout<<v[i][j]<<' ';
return 0;
}