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#include <bits/stdc++.h>
#define INF 1000001
using namespace std;
ifstream fin ("royfloyd.in");
ofstream fout ("royfloyd.out");
int a[110][110], n;
int main()
{
fin >> n;
for (int i=1; i<=n; i++)
for (int j=1; j<=n; j++)
a[i][j] = 1000001;
for (int i=1; i<=n; i++)
for (int j=1; j<=n; j++)
fin >> a[i][j];
for (int k=1; k<=n; k++)
for (int i=1; i<=n; i++)
for (int j=1; j<=n; j++)
{
if (i!=k && j!=k && a[i][k]!=INF && a[k][j]!=INF)
a[i][j] = min (a[i][j], a[i][k] + a[k][j]);
}
for (int i=1; i<=n; i++)
{
for (int j=1; j<=n; j++)
{
if (a[i][j] == INF)
fout << 0 << ' ';
else
fout << a[i][j] << ' ';
}
fout << '\n';
}
}