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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int NMAX = 105;
const int INF = 1000000;
int n,mat[NMAX][NMAX];
int main()
{
fin>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
fin>>mat[i][j];
if(mat[i][j] == 0 && i!=j)
{
mat[i][j] = INF;
}
}
}
for(int k=1;k<=n;k++)
{
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
int nou = mat[i][k] + mat[k][j];
if(nou<mat[i][j] && i!=k && j!=k && i!=j && mat[i][k]!=0 && mat[k][j]!=0)
{
mat[i][j] = nou;
}
}
}
}
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
fout<<mat[i][j]<<" ";
}
fout<<"\n";
}
return 0;
}