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#include <fstream>
#include <vector>
#include <queue>
#include <algorithm>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,A[101][101];
int main()
{
fin >> n;
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(A[i][k]!=0 && A[k][j]!=0)
{
if(A[i][j]!=0) A[i][j]=min(A[i][j],A[i][k]+A[k][j]);
else if(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;
}