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#include <bits/stdc++.h>
using namespace std;
#define nmax 105
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int mat[nmax][nmax], n;
int main()
{
fin >> n;
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; j++)
{
fin >> mat[i][j];
}
}
for(int k=1; k<=n; ++k)
{
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; ++j)
{
if(mat[i][k] && mat[k][j] && i != j)
if(mat[i][j] > mat[i][k] + mat[k][j] || !mat[i][j])
mat[i][j] = mat[i][k] + mat[k][j];
}
}
}
for(int i=1; i<=n; ++i)
{
for(int j=1; j<=n; j++)
{
fout << mat[i][j] << " ";
}
fout << "\n";
}
return 0;
}