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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int main()
{
int n, v[101][101];
fin >> n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
fin >> v[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!=j&&v[i][k]&&v[k][i]&&v[i][k]+v[k][j]<v[i][j])
v[i][j]=v[i][k]+v[k][j];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
fout << v[i][j] << " ";
fout << "\n";
}
return 0;
}