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#include <bits/stdc++.h>
using namespace std;
int l[105][105];
int main()
{
ifstream cin("royfloyd.in");
ofstream cout("royfloyd.out");
int n,m,x,y,z;
cin>>n;
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
{
cin>>l[i][j];
}
}
for(int k=1;k<=n;++k)
{
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
{
if((l[i][k]+l[k][j])<l[i][j])
{
if(i!=k && l[i][k]==0 || j!=k && l[k][j]==0)
{
}
else
{
l[i][j]=(l[i][k]+l[k][j]);
}
}
}
}
}
for(int i=1;i<=n;++i)
{
for(int j=1;j<=n;++j)
{
cout<<l[i][j]<<" ";
}
cout<<"\n";
}
return 0;
}