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#include <fstream>
using namespace std;
ifstream in("royfloyd.in");
ofstream out("royfloyd.out");
int a[101][101];
int main()
{
int n;
in>>n;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=n;j++)
{
in>>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]!=0 && a[k][j]!=0 && (a[i][k]+a[k][j]<a[i][j] || a[i][j]==0) && 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++)
{
out<<a[i][j]<<" ";
}
out<<'\n';
}
return 0;
}