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#include <bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int A[105][105],n;
int main()
{
ios::sync_with_stdio(0);
in >> n;
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
{
in >> A[i][j];
if( i!=j && A[i][j] == 0 ) A[i][j] = 1 << 30;
}
for(int k=1; k<=n; k++)
for(int i=1; i<=n; i++)
for(int j=1; j<=n; j++)
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( i!=j && A[i][j] == 1<<30 ) A[i][j] = 0;
out << A[i][j] << ' ';
}
out << '\n';
}
return 0;
}