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#include <fstream>
#include <iostream>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n,a[110][110];
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] && a[k][j] && (!a[i][j] || a[i][j] > a[i][k] + a[k][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;
}