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#include <bits/stdc++.h>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int const lim=101;
int n,v[lim][lim];
int main()
{
in>>n;
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
in>>v[i][j];
for(int nod=1;nod<=n;nod++)
for(int i=1;i<=n;i++)
for(int j=1;j<=n;j++)
if(i!=j && v[nod][j]!=0 && v[i][nod]!=0)
if(v[i][j]> v[nod][j]+v[i][nod])
v[i][j]=v[nod][j]+v[i][nod];
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
out<<v[i][j]<<" ";
out<<'\n';
}
}