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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
const int N=109;
int n,a[N][N];
int main()
{
fin.sync_with_stdio(false);
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(i==j)
continue;
if(a[i][k]&&a[k][j]&&(a[i][k]+a[k][j]<a[i][j]||!a[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;
}