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#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int nmax=105,inf=0x3F3F3F3F;
int main()
{
int n, a[nmax][nmax];
fin >> n;
for (int i=1; i<=n; i++)
{
for (int j=1; j<=n; j++)
{
fin >> a[i][j];
if (a[i][j]==0 && i!=j) a[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 (a[i][k] + a[k][j] < a[i][j])
{
a[i][j] = a[i][k] + a[k][j];
}
}
}
}
for (int i=1; i<=n; i++)
{
for (int j=1; j<=n; j++)
{
fout << a[i][j] << " ";
}
fout << '\n';
}
return 0;
}