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#include <bits/stdc++.h>
using namespace std;
ifstream fin("royfloyd.in");
ofstream fout("royfloyd.out");
int n;
int 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] && a[k][j] && i!=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,fout<<'\n')
for(int j=1;j<=n;++j)
fout<<a[i][j]<<" ";
return 0;
}