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#include <fstream>
using namespace std;
ifstream in ("royfloyd.in");
ofstream out ("royfloyd.out");
int v[103][103];
int main()
{
int n,i,j,k;
in>>n;
for(i=1;i<=n;i++)
for(j=1;j<=n;j++)
{
in>>v[i][j];
if(v[i][j]==0 && i!=j)
v[i][j]=9999999;
}
for(k=1;k<=n;k++)
{
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
{
if(i!=k && i!=j && j!=k)
if(v[i][j]>v[i][k]+v[k][j])
v[i][j]=v[i][k]+v[k][j];
}
}
}
for(i=1;i<=n;i++)
{
for(j=1;j<=n;j++)
out<<v[i][j]<<' ';
out<<'\n';
}
return 0;
}