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#include <fstream>
#define inf 1000000000
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n, i, j, k;
int M[101][101];
int main()
{
fin>>n;
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
{
fin>>M[i][j];
if (M[i][j]==0)
M[i][j]=inf;
}
for (k=1; k<=n; k++)
for (i=1; i<=n; i++)
for (j=1; j<=n; j++)
{
if (M[i][j]>M[i][k]+M[k][j] && i!=j)
M[i][j]=M[i][k]+M[k][j];
}
for (i=1; i<=n; i++)
{
for (j=1; j<=n; j++)
{
if (M[i][j]==inf)
fout<<0<<" ";
else
fout<<M[i][j]<<" ";
}
fout<<'\n';
}
return 0;
}